WO2011136202A1 - ワイヤーハーネス、ワイヤーハーネスの製造方法 - Google Patents
ワイヤーハーネス、ワイヤーハーネスの製造方法 Download PDFInfo
- Publication number
- WO2011136202A1 WO2011136202A1 PCT/JP2011/060122 JP2011060122W WO2011136202A1 WO 2011136202 A1 WO2011136202 A1 WO 2011136202A1 JP 2011060122 W JP2011060122 W JP 2011060122W WO 2011136202 A1 WO2011136202 A1 WO 2011136202A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- holding tool
- wire harness
- covering member
- predetermined
- protective layer
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0487—Tubings, i.e. having a closed section with a non-circular cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01254—Flat-harness manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1043—Subsequent to assembly
Definitions
- the present invention relates to a wire harness and a method for manufacturing the same, and more particularly to a wire harness having a member for maintaining an electric wire in a predetermined shape and / or a member for protecting the electric wire and a method for manufacturing the same.
- a wire harness for connecting electrical devices and electronic devices to each other is routed.
- a general wire harness has a configuration in which a predetermined number and a predetermined type of electric wires are included, and these electric wires are collected to form a trunk line or a branch line.
- the trunk and branch lines of the wire harness are routed along a predetermined route inside the vehicle.
- the trunk line or branch line of the wire harness may be formed in a predetermined axial shape at the manufacturing stage so that the trunk line or branch line of the wire harness can be easily routed.
- a configuration for maintaining the trunk line and branch line of the wire harness in a predetermined axial shape for example, a configuration in which a shape maintaining member having a predetermined shape is attached to a predetermined part of the trunk line and branch line of the wire harness is used. May be.
- a protector (protective member) may be attached to a predetermined part of the main line or branch line of the wire harness to protect the electric wire included in the main line or branch line.
- a shell-like member having a hollow inside for example, a member having a hollow cylindrical shape and having an axis formed in a predetermined shape
- an injection-molded product made of a resin material is applied to the shell-like shape maintaining member and the protector.
- the configuration to which the protector for injection molded products is applied has the following problems.
- the wire included in the main line or branch line and the inner peripheral surface of the shape maintaining member or protector There may be gaps. For this reason, when vibration or impact is applied to the wire harness, the electric wire may collide with the inner peripheral surface of the shape maintaining member or the protector, and an impact sound may be generated. The generation of such an impact sound may reduce the quality of a vehicle or the like to which the wire harness is applied. Moreover, there exists a possibility that it may be damaged when an electric wire collides with the internal peripheral surface of a shape maintenance member or a protector.
- a configuration for preventing the electric wire from colliding with the inner peripheral surface of the shape maintaining member or the protector for example, there is a configuration in which a cushioning material (for example, a sponge or the like) is inserted into the shape maintaining member or the protector.
- a cushioning material for example, a sponge or the like
- a step of inserting a cushioning material into the shape maintaining member and the protector is required. For this reason, an operation man-hour increases and there exists a possibility of causing the raise of manufacturing cost.
- the cost of parts may increase.
- Patent Document 1 As a configuration using a protector that is not an injection molded product, for example, a configuration in which a protector made of a thermoplastic material is formed around a flat circuit body has been proposed (see Patent Document 1).
- the configuration disclosed in Japanese Patent Application Laid-Open No. 2003-197038 of Patent Document 1 includes two sheets by sandwiching a flat circuit body between two nonwoven fabrics made of a thermoplastic material and pressing them with a mold while heating them. The non-woven fabric is brought into close contact with the flat circuit body, and two coating materials are welded together. According to such a configuration, since the two non-woven fabrics serve as protectors, the protector for the injection molded product becomes unnecessary.
- Patent Document 1 the configuration disclosed in Patent Document 1 is considered to have the following problems.
- Nonwoven fabric has a structure in which fibers are intertwined, and therefore easily contains liquid such as water. If the nonwoven fabric contains a liquid such as water, the weight of the wire harness increases. Moreover, even when a part of the protector made of a nonwoven fabric is wet, the liquid can travel through the inside of the nonwoven fabric. For this reason, there is a possibility that the liquid may enter an unexpected location.
- the nonwoven fabric is generally softer and less wear-resistant than the resin injection molded product.
- the protector made of nonwoven fabric may come into contact with other members (for example, the vehicle body) and wear.
- the protector may intermittently come into contact with other members or may slide while in contact with the protector, so that wear tends to proceed.
- the protector which consists of a nonwoven fabric has low durability compared with the protector of an injection molded product.
- Provide a method for manufacturing a harness or provide a method for manufacturing a wire harness made of non-woven fabric with improved wear resistance, or cover while preventing or suppressing an increase in manufacturing cost and manufacturing man-hour of a covering member It is providing the manufacturing method of the wire harness which can improve the abrasion resistance of a member.
- a wire harness according to the present invention is a wire harness in which a covering member made of a thermoplastic material is provided at a predetermined portion of an electric wire, and a liquid is permeable to the surface of the covering member.
- the gist is that a protective layer is provided.
- the protective layer is preferably made of a thermoplastic material having higher wear resistance than the covering member.
- the covering member has a hard surface layer portion as compared with the central portion.
- the covering member can be configured by a non-woven fabric or a foam made of a thermoplastic material.
- coated member with the said binder material can be applied to the said protective layer.
- the protective layer may be welded to the surface of the covering member.
- the wire harness according to the present invention is a wire harness in which a covering member made of a thermoplastic material is provided at a predetermined portion of an electric wire, and a part or all of the surface of the covering member includes the covering member. It is characterized in that a protective layer made of a thermoplastic material having higher wear resistance is provided.
- the covering member has a harder surface layer than the center.
- the nonwoven fabric or foam made of a thermoplastic material can be applied to the covering member.
- the protective layer is preferably bonded to the surface of the covering member by the binder material.
- the protective layer may be welded to the surface of the covering member.
- the method for manufacturing a wire harness according to the present invention is a method for manufacturing a wire harness in which a protective layer that does not transmit liquid is provided on the surface, and a covering member that is formed of a thermoplastic material is provided at a predetermined location of an electric wire.
- the predetermined portion of the electric wire is sandwiched or wrapped by the thermoplastic material, the protective layer material is disposed on the surface of the thermoplastic material, and the thermoplastic material and the protective layer material are disposed.
- the thermoplastic material is molded into a predetermined shape and size by applying pressure while being heated, and at least a part of the surface layer portion of the thermoplastic material is melted to change the material of the protective layer to the thermoplastic material.
- the gist is to include a step of bonding to the surface of the material.
- the predetermined portion of the electric wire, the thermoplastic material, and the protective layer material are accommodated in a holder, and the thermoplastic material is held by a set of molds provided with temperature adjusting means. It is preferable to heat and pressurize through a tool, and then remove and cool a predetermined portion of the electric wire covered with the thermoplastic material from the set of molds while being housed in the holder.
- the method of manufacturing a wire harness according to the present invention is a method of manufacturing a wire harness in which a protective layer is provided on a part or all of the surface and a covering member formed of a thermoplastic material is provided at a predetermined portion of an electric wire.
- a predetermined portion of the electric wire is sandwiched or wrapped with the thermoplastic material, and the protective layer material is disposed on a part or all of the surface of the thermoplastic material, and the thermoplastic material and
- the thermoplastic material is molded into a predetermined shape and size by applying pressure while heating the material of the protective layer, and at least a part of a surface layer portion of the thermoplastic material is melted.
- the gist is to include a step of bonding the material to the surface of the thermoplastic material.
- thermoplastic material is accommodated in a holder, and the thermoplastic material is passed through the holder by a set of molds provided with temperature adjusting means. It is possible to apply a configuration in which a predetermined portion of the electric wire covered with the thermoplastic material is removed from the set of molds and cooled while being held in the holder.
- the protective layer that does not transmit liquid is provided on the surface of the covering member, the liquid can penetrate into the covering member even when the liquid is applied to the surface of the covering member. Absent. For this reason, it can prevent that a weight increases when a coating
- the wear resistance of the covering member can be improved.
- the covering member can be formed by applying pressure while heating the thermoplastic material.
- This covering member has a function of a protector for protecting a predetermined portion of the electric wire and a function for maintaining the predetermined portion of the electric wire in a predetermined shape. For this reason, a shape maintenance member and a protector can be provided in a wire harness, without applying the shape maintenance member and protector of an injection molded product.
- thermoplastic material can be applied with an inexpensive material as compared with the shape maintaining member or protector of the injection molded product, it is possible to reduce the manufacturing cost and the part cost of the covering member.
- the mold for pressurizing and molding the thermoplastic material has a simpler structure and is less expensive than the mold for injection molding for producing injection molded products, so that the increase in equipment cost is suppressed. Alternatively, the equipment cost can be reduced.
- the covering member may be formed simply by sandwiching or wrapping a predetermined portion of the electric wire constituting the wire harness with a thermoplastic material and applying pressure while heating in that state. For this reason, compared with the structure which mounts the shape maintenance member and protector of an injection molded product, work content becomes simple. Therefore, shortening of the manufacturing time of a wire harness and reduction of manufacturing cost can be aimed at.
- the thermoplastic material is pressurized before the portion in contact with the predetermined portion of the electric wire and the portion in the vicinity thereof become high temperature. Can be terminated. For this reason, among the molded covering member, the portion in contact with a predetermined portion of the electric wire and the portion in the vicinity thereof can maintain the properties before pressurization. For this reason, the wire harness which has the structure where the predetermined location of the electric wire was wrapped elastically with the thermoplastic material which has not hardened can be manufactured. According to the wire harness having such a configuration, the uncured thermoplastic material functions as a cushioning material that protects a predetermined portion of the electric wire from vibration and impact.
- the predetermined portion of the electric wire is encased in an uncured thermoplastic material, even if vibration or impact is applied to the wire harness, the sound is hit between the predetermined portion of the electric wire and the covering member. No impact sound is generated.
- the same effect as the configuration in which the buffer material is filled in the shape maintaining member or the protector of the injection molded product can be achieved.
- the number of parts and the number of work steps can be reduced as compared with the configuration in which the shape maintaining member of the injection molded product and the protector are filled with the buffer material.
- coated member can be removed from a shaping
- molding die can be cooled in the state mounted in the holder. For this reason, when removing from a shaping
- molding die will be maintained. For this reason, it is possible to prevent unexpected (or undesired) deformation of the molded covering member.
- the first lower holding tool in which the first material, the predetermined portion of the electric wire, the second material, and the material of the protective layer are accommodated is the first It is the figure which showed the state mounted in the lower mold
- the first material and the second material are heated and pressurized by the first lower mold and the first upper mold. It is.
- a third material (a protective layer material is integrally provided on the third material) and a predetermined portion of the electric wire in the second lower holding tool
- a third material a protective layer material is integrally provided on the third material
- a predetermined portion of the electric wire in the second lower holding tool It is the figure which showed the state in which and were accommodated and the 2nd upper side holder was mounted.
- the manufacturing process of the wire harness concerning this 2nd embodiment it is the figure which showed the state by which the 3rd raw material, the predetermined location of the electric wire, and the raw material of a protective layer were accommodated in the 2nd lower side holder.
- the second lower holding in which the third material, the predetermined portion of the electric wire, and the protective layer material are accommodated and the second upper holding tool is placed.
- (A) is the external appearance perspective view which extracted and showed the predetermined
- prescribed location ( location where a coating
- (b) is the 4th of this invention. It is the external appearance perspective view which extracted and showed the predetermined
- prescribed location ( location where a coating
- (A) is the external appearance perspective view which extracted and showed the predetermined
- (A) is the external appearance perspective view which extracted and showed the predetermined
- prescribed location ( location where a coating
- (b) is the 6th of this invention. It is the external appearance perspective view which extracted and showed the predetermined
- prescribed location ( location where a coating
- the second lower holding tool accommodates the third material, the predetermined portion of the electric wire, and the protective layer material, and further holds the second upper holding It is the figure which showed the state in which the tool was mounted.
- the second lower holding tool accommodates the third material provided with the material of the protective layer and the predetermined portion of the electric wire, It is the figure which showed the state in which the 2nd upper side holder was mounted.
- the second lower holding tool in which the third material, the predetermined portion of the electric wire, and the material of the protective layer are accommodated is the second lower mold.
- the wire harness according to each embodiment of the present invention has a predetermined number and a predetermined type of electric wires. And these electric wires are collected by the predetermined
- prescribed aspect, and the collected electric wire forms the trunk line and branch line of the wire harness concerning each embodiment of this invention. Predetermined connectors are attached to the end of each electric wire ( trunk line or branch line).
- trunk line or branch line the whole dimension and shape of the wire harness concerning each embodiment of this invention, the structure of a trunk line and a branch line, the number, kind, and length of the electric wire contained in the wire harness concerning each embodiment of this invention, each electric wire
- the covering member can protect a predetermined portion of the wire harness according to each embodiment of the present invention (having a function of a so-called “protector”).
- the covering member provided in the portion to be protected of the wire harness according to each embodiment of the present invention serves as a protector.
- coated member provided in the part which wants to maintain the wire harness concerning each embodiment of this invention in a predetermined shape maintains the said predetermined location in a predetermined shape.
- the covering member provided on the portion of the wire harness according to each embodiment of the present invention that is desired to be protected and that is to be maintained in a predetermined shape functions as a protector, and the wire according to each embodiment of the present invention.
- a predetermined portion of the harness is maintained in a predetermined shape.
- the function and performance required for the wire harness according to each embodiment of the present invention, the shape of the wire harness according to each embodiment of the present invention, the space in which the wire harness according to each embodiment of the present invention is routed ( For example, it is set as appropriate according to the size and shape of the space inside the vehicle and the environment during use (for example, the presence or absence of vibration or impact during use).
- a protective layer made of a material that does not transmit liquid is provided on substantially the entire surface of the covering member 92a. For this reason, even when a liquid such as water is applied to the covering member, the liquid is prevented from penetrating the covering member.
- FIG. 1 is an external perspective view showing a predetermined portion (a portion where a covering member 92a is provided) of the wire harness 9a according to the first embodiment of the present invention.
- 1A shows a configuration in which the cross-sectional shape of the covering member is a substantially hexagonal shape
- FIG. 1B shows a configuration in which the cross-sectional shape of the covering member is a substantially circular shape.
- the covering member 92a provided in the wire harness 9a according to the first embodiment of the present invention has a main body 921a, an extending part 922a, and a protective layer 923a.
- the main body portion 921a and the extending portion 922a are formed of two materials 801 and 802.
- first material 801 the material of the main body 921a and the extension 922a of the covering member 92a
- the main body 921a has a predetermined axial shape and a predetermined cross-sectional shape and dimensions (here, “cross section” refers to a cut surface cut in a direction perpendicular to the axial direction of the electric wire 91). the same).
- FIG. 1A shows a configuration in which the main body 921a of the covering member 92a has a substantially hexagonal cross-sectional shape.
- FIG. 1B the main body 921a of the covering member 92a has a substantially circular cross-sectional shape.
- the cross-sectional shape of the main body 921a of the covering member 92a is not limited to these shapes.
- the axial shape, cross-sectional shape, and dimensions of the main body 921a of the covering member 92a are functions and performances that the covering member 921a should have, and a space in which a predetermined portion of the wire harness 9a according to the first embodiment of the present invention is routed. It is set according to the shape and dimensions.
- the extending part 922a of the covering member 92a is a part protruding outward from the outer periphery of the main body part 921a.
- the extending portion 922a has a substantially flat plate-like or substantially bowl-like structure extending along the axial direction of the main body portion 921a.
- the first material 801 and the second material 802 are joined and integrated.
- the thickness dimension of the extension part 922a (referring to the overlapping direction of the first material 801 and the second material 802) is smaller than the thickness dimension of the main body part 921a.
- the thickness dimension of each of the first material 801 and the second material 802 in the extension portion 922a is determined from the outer peripheral surface of the main body portion 921a to the electric wire. It is preferable to be smaller than the distance to a predetermined portion 91 (particularly, the distance to the nearest one of the predetermined portions of the electric wire 91).
- the first material 801 and the second material 802 are made of thermoplastic and elastically deformable materials (particularly, materials that can be elastically deformed in a compressing manner). Specifically, for example, a nonwoven fabric or a foam made of a thermoplastic material can be applied.
- Nonwoven fabrics that have a configuration in which basic fibers and binder fibers are intertwined can be applied.
- the nonwoven fabric having such a configuration is referred to as a “first nonwoven fabric” for convenience of explanation.
- the basic fiber is formed of a thermoplastic resin material having a predetermined melting point.
- the binder fiber has a configuration in which a binder material layer is formed on the outer periphery of the core fiber.
- the core fiber of the binder fiber is formed of the same thermoplastic resin material as the basic fiber.
- the binder material layer of the binder fiber is formed of a thermoplastic resin material having a melting point lower than that of the basic fiber and the core fiber.
- the first nonwoven fabric When the first nonwoven fabric is heated to a temperature higher than a certain temperature, it can be plastically deformed due to the thermoplasticity of the basic fiber and the binder fiber.
- melted binder fiber permeates between the basic fiber and the core fiber of a binder fiber.
- a temperature band is referred to as a “first temperature band” for convenience of explanation.
- the first nonwoven fabric is heated to a temperature within the first temperature zone, shaped into a predetermined shape at a temperature within the first temperature zone, and then at a temperature lower than the first temperature zone.
- the basic fiber and the binder fiber are cooled to a temperature that does not cause plastic deformation due to thermoplasticity, the predetermined shape is maintained.
- the molded first nonwoven fabric is harder than before heating.
- the basic fiber and the core fiber of the binder fiber are formed from PET (polyethylene terephthalate), and the binder material layer of the binder fiber is formed from a copolymer resin of PET and PEI (polyethylene isophthalate).
- the nonwoven fabric which has can be applied.
- the melting point of the basic fiber of the first nonwoven fabric and the core fiber of the binder fiber (that is, the melting point of PET) is about 250 ° C.
- the melting point of the binder material is 110 to 150 ° C. Therefore, the first temperature zone of the first nonwoven fabric having such a configuration is 110 to 250 ° C.
- non-woven fabric made of a thermoplastic resin material and having no binder fiber is also applicable.
- a non-woven fabric is referred to as a “second non-woven fabric” for convenience of explanation.
- a foam made of a thermoplastic material can also be applied.
- a nonwoven fabric or foam made of PET can be applied.
- the hardness of the main body 921a of the covering member 92a increases as it goes from the center to the surface layer.
- the surface layer portion of the main body 921a of the covering member 92a is harder than the first material 801 and the second material 802 before being formed into the covering member 92a.
- the central part of the main body 921a of the covering member 92a is softer than the surface layer. Specifically, the central portion of the main body 921a of the covering member 92a has the physical properties of the first material 801 and the second material 802 before being formed into the covering member 92a. For this reason, the center part of the main-body part 921a of the coating
- coated member 92a is contacting the predetermined location of the electric wire 91 in the state which has elasticity.
- a protective layer 923a is formed on substantially the entire surface of the covering member 92a of the wire harness 9a according to the first embodiment of the present invention.
- 1A and 1B show a configuration in which the protective layer 923b is not formed on the end surface in the axial direction and the end surface of the extending portion 922a of the covering member 92a.
- the structure in which the protective layer 923a is formed may be sufficient.
- the protective layer 923a has a function of preventing liquid from penetrating into the covering member 92a. That is, the protective layer 923a prevents the liquid from penetrating into the main body of the covering member even when the covering member 92a is exposed to a liquid such as water. Therefore, the protective layer 923a is formed of a material that does not penetrate liquid (for example, a material having water repellency).
- PET polyethylene terephthalate
- the material, thickness, etc. of the protective layer 923a of the covering member 92a of the wire harness 9a according to the first embodiment of the present invention are appropriately set according to the specifications of the wire harness 9a according to the first embodiment of the present invention. There is no particular limitation. In short, it is only necessary to have a configuration that does not allow permeation or permeation of liquid such as water.
- FIG. 1A and 1B show a configuration in which the protective layer 923a is provided on substantially the entire covering member 92a. However, the protective layer 923a is provided on a part of the surface of the covering member 92a. There may be. For example, a configuration in which the protective layer 923a is provided only on a portion of the covering member 92a that is desired to be waterproof may be employed.
- the protective layer 923a is formed of a material having thermoplasticity and a melting point higher than those of the first material 801 and the second material 802. Furthermore, the protective layer 923a may have a configuration in which a material having higher wear resistance than the first material 801 and the second material 802 is applied. “Abrasion resistance” refers to a characteristic that a certain material is not easily worn by friction when it is rubbed in contact with another material. According to such a configuration, it is possible to improve the wear resistance of the covering member 923a.
- the wire harness 9a according to the first embodiment of the present invention can provide the following operational effects.
- the surface layer portion of the covering member 92a provided in the wire harness 9a according to the first embodiment of the present invention is harder than the center portion. For this reason, this hard part has at least one of the function of the protector which protects the predetermined location of the electric wire 91, and the function which maintains the predetermined location of the electric wire 91 in a predetermined shape.
- the covering member 92a provided in the portion to be protected of the wire harness 9a according to the first embodiment of the present invention serves as a protector for protecting a predetermined portion of the electric wire 91.
- the covering member 92a provided in a portion where the wire harness 9a according to the first embodiment of the present invention is to be maintained in a predetermined shape maintains the predetermined portion in a predetermined shape.
- the covering member 92a provided on the portion of the wire harness 9a according to the first embodiment of the present invention that is desired to be protected and maintained in a predetermined shape functions as a protector, and the first embodiment of the present invention.
- a predetermined portion of the wire harness 9a according to the form is maintained in a predetermined shape.
- the central portion of the covering member 92a has the physical properties of the first material 801 and the second material 802 before molding, and is soft.
- the covering member 92a functions as a cushioning material that protects a predetermined portion of the electric wire.
- the covering member 92a functions as a cushioning material that protects a predetermined portion of the electric wire.
- even if an impact or vibration is applied to the covering member 92a the impact or vibration is prevented or suppressed from being transmitted to a predetermined portion of the electric wire 91.
- the protective layer 923a is provided on almost the entire covering member 92a, even when a liquid such as water is applied to the covering member 92a, it is prevented from penetrating into the main body 921a of the covering member 92a. For this reason, it is possible to prevent the body portion 921a of the covering member 92a from containing a liquid such as water, thereby increasing the weight and preventing the liquid transmitted through the covering member 92a from reaching an unexpected location.
- the wear resistance of the covering member 92a can be improved.
- FIG. 2 is an external perspective view schematically showing configurations of the first lower holding tool 11a and the first lower mold 13a.
- FIG. 3 is an external perspective view schematically showing the configuration of the first upper holding tool 12a and the first upper mold 14a.
- the upper side in FIG. 2 faces the first upper holding tool 12a and the first upper mold 14a.
- the upper side in FIG. 3 faces the first lower holding tool 11a and the first lower mold 13a.
- the side facing the first upper holding tool 12a and the first upper mold 14a is referred to as “upper side”.
- the side facing the first lower holding tool 11a and the first lower mold 13a is referred to as “lower side”.
- the upper side in the drawing is the upper side of the first lower holding tool 11a and the first lower mold 13a.
- the upper side in the figure is the lower side of the first upper holding tool 12a and the first upper mold 14a.
- the first lower holding tool 11a and the first upper holding tool 13a are used in the step of manufacturing the wire harness 9a according to the first embodiment of the present invention (particularly, the step of forming the respective covering members 92a).
- the function of pressing one material 801 and the second material 802 into a predetermined shape ( the shape of the covering member 92a) and the manufactured wire harness 9a according to the first embodiment of the present invention (particularly, molding)
- the tool has a function of maintaining the shape of each covering member 92a) (in other words, preventing unexpected deformation or undesired deformation).
- the first lower holding tool 11a includes a first pressurizing part 111a, a second pressurizing part 112a, and a side wall part 113a.
- the first pressure member 111a of the first lower holding tool 11a is a part for molding the main body 921a of the covering member 92a.
- the first pressurizing portion 111a is a groove-shaped recess formed on the upper surface of the first lower holding tool 11a (in other words, a groove-shaped recess that opens upward, and is recessed downward. Groove-shaped recess).
- the dimension and shape of the first pressurizing part 111a can accommodate a predetermined portion of the electric wire 91, and are set according to the shape and dimension of the main body part 921a of the covering member 92a.
- the shape of the axis of the first pressure member 111a is substantially equal to the shape of the axis of the main body 921a of the covering member 92a to be molded, and the cross-sectional shape and dimensions of the first pressure member 111a
- the cross-sectional shape and dimensions when cut in a direction substantially perpendicular to the axis of this part) are substantially the same as one of the shapes obtained by dividing the cross-sectional shape of the main body portion 921a of the molded covering member 92a into two parts.
- the first lower holding tool when the axis of the main body 921a of the covering member 92a is curved in a substantially arc shape and the cross section is a substantially hexagonal shape, the first lower holding tool
- the axis of the first pressurizing part 111a of 11a has a shape curved in a substantially arc shape, and the cross section is a substantially trapezoid obtained by dividing a hexagon into two. That is, a substantially flat bottom surface and an inclined surface that rises at a predetermined angle from the both sides of the bottom surface toward the substantially upper side are formed.
- FIG. 1B when the main body 921a of the covering member 92a is formed in a substantially circular cross section, the first pressure member 111a of the first lower holding tool 11a has a cross section. It has a substantially semicircular groove-like configuration.
- the second pressure member 112a of the first lower holding tool 11a is a substantially planar portion facing upward.
- the second pressure member 112a of the first lower holding tool 11a is formed on both outer sides of the first pressure member 111a along the axial direction of the first pressure member 111a.
- the side wall 113a of the first lower holding tool 11a holds the first material 801 and the second material 802 before and during the pressurization of the first material 801 and the second material 802. This is a functional part.
- the side wall part 113a is a plate-like or ridge-like part that protrudes upward, and is formed along the outer edge of the second pressure part 112a. For this reason, the two side wall parts 113a oppose each other with a predetermined distance between the first pressurizing part 111a and the second pressurizing part 112a.
- the height dimension of the side wall 113a is such that the first material 801 and the first material 801 and the second material 802 are accommodated between the side walls 113a in a state where a predetermined portion of the electric wire 91 and the first material 801 and the second material 802 are accommodated.
- the size of the second material 802 is set so as not to protrude from the upper side of the side wall portions 113a.
- the first lower holding tool 11a as a whole has a rod-like configuration with a substantially “U” -shaped cross section.
- the lower shape of the first lower holding tool 11a is not particularly limited.
- the first lower holding tool 11a is made of a metal plate or the like and is manufactured by plating or the like, the first lower holding tool 11a is formed on the upper side below the first lower holding tool 11a.
- a convex portion corresponding to the pressurizing portion 111a is formed, and a substantially planar portion corresponding to the second pressurizing portion 112a is formed along the convex portion on both outer sides of the convex portion. .
- the first upper holding tool 12a includes a first pressure member 121a and a second pressure member 122a.
- the first pressurizing part 121a of the first upper holding tool 12a is a part for molding the main body 921a of the covering member 92a.
- the first pressure member 121a of the first upper holding tool 12a has a groove-like recess formed on the lower surface of the first upper holding tool 12a (in other words, a groove shape that opens downward). , A groove-like recess recessed toward the upper side).
- the first pressurizing portion 121a of the first upper holding tool 12a has a size and a shape that can accommodate a predetermined portion of the electric wire 91 and depends on the shape and the size of the main body 921a of the covering member 92a to be molded. Is set.
- the shape of the axis of the first pressure member 121a of the first upper holding tool 12a is substantially equal to the shape of the axis of the main body 921a of the covering member 92a to be formed, and the first shape of the first upper holding tool 12a.
- the cross-sectional shape and dimensions of one pressurizing part 121a are divided into two in the cross-sectional shape of the main body 921a of the covering member 92a (The size and shape of the first pressure member 111a of the first lower holding tool 11a is divided into two parts in the cross-sectional shape of the main body 921a of the covering member 92a). Is substantially the same as one of the shapes obtained in this way).
- the first upper holding tool has an axial shape curved in a substantially arc shape and has a substantially trapezoidal cross-sectional shape obtained by dividing a hexagon into two. That is, it has a substantially planar bottom surface and an inclined surface that rises from the both sides of the bottom surface substantially upward toward the bottom surface at a predetermined angle.
- the first pressure member 121a of the first upper holding tool 12a has a substantially cross sectional view. A semicircular groove extends.
- the second pressure member 122a of the first upper holding tool 12a is a substantially flat portion facing downward.
- the second pressurizing part 122a is formed on both outer sides of the first pressurizing part 121a along the axial direction of the first pressurizing part 121a.
- the upper shape of the first upper holding tool 12a is not particularly limited.
- the first upper holding tool 12a is made of a metal plate or the like and manufactured by plating or the like
- the first pressurizing part 121a formed on the lower side is formed above the first upper holding tool 12a.
- the first upper holding tool 12a has a size that can be easily put in and out of the region between the both side walls 113a of the first lower holding tool 11a.
- the first pressurizing part 121a of the first upper holding tool 12a and the first lower holding tool The first pressure member 111a of the tool 11a faces the second pressure member 122a of the first upper holding tool 12a and the second pressure member 112a of the first lower holding tool 11a faces.
- the first pressurizing part 111a of the first lower holding tool 11a and the first pressurizing part 121a of the first upper holding tool 12a have substantially the same axis, and the width dimension is also the same. It is almost the same.
- the width dimensions of the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a are substantially the same.
- the width dimension of the 1st upper side holder 11a is a dimension substantially the same as the dimension of the space
- the first lower holding tool 11a and the first upper holding tool 12a are formed of a material having high thermal conductivity, and have a configuration in which the amount of stored heat is small (that is, it is easy to follow the surrounding temperature change). In particular, it has a configuration that facilitates heat transfer in the vertical direction. Specifically, for example, it is made of a thin metal plate or the like and manufactured by plating or the like. If the first lower holding tool 11a and the first upper holding tool 12a are each made of a thin metal plate or the like, it is easy to transfer heat in the vertical direction (the thickness direction of the metal plate). Furthermore, since the mass of the first lower holding tool 11a and the first upper holding tool 12a can be reduced, the amount of heat storage can be reduced.
- the first pressurizing part 111a, the second pressurizing part 112a, and both side wall parts 113a of the first lower holding tool 11a are integrally manufactured from a single metal plate by plating or the like. It is preferable.
- the first pressurizing part 121a and the second pressurizing part 122a of the first upper holding tool 12a are preferably configured to be integrally manufactured from a single metal plate by plating or the like. . If the first lower holding tool 11a and the first upper holding tool 12a are each integrally manufactured from a single metal plate or the like, there is no need to assemble separate parts.
- the first lower mold 13a heats the first material 801 and the second material 802 together with the first upper holder 12a and the first upper mold 14a via the first lower holder 11a.
- the material 801 and the second material 802 can be heated and welded.
- a groove-shaped recess is formed in which the entire first lower holding tool 11a or a part of the lower side can be fitted.
- the groove-shaped recess is composed of a first pressure part 131a, a second pressure part 132a, and a support part 133a.
- type 13a has a dimension and shape substantially equal to the lower shape and dimension of the 1st pressurization part 111a of the 1st lower side holder 11a.
- the first pressure member 131a of the first lower mold 13a Has a groove-like structure with a substantially trapezoidal cross section.
- the first pressure part 131a of the first lower mold 13a has a substantially half cross section. It has a circular groove-like structure.
- the second pressurizing portion 132a of the first lower mold 13a is configured so that the first lower holding tool 11a is in the state where the first lower holding tool 11a is placed on the upper side of the first lower mold 13a. This is a portion that contacts the lower surface of the second pressure member 132a.
- the second pressurizing part 132a of the first lower mold 13a is formed on both outer sides of the first pressurizing part 131a so as to be along the first pressurizing part 131a.
- type 13a has a shape which followed the shape of the lower surface of the 2nd pressurization part 112a of the 1st lower side holder 11a. For example, as shown in FIG. 2, if the lower side of the second pressure part 112a of the first lower holding tool 11a is substantially flat, the second pressure part 112a of the first lower mold 13a is also It is formed in a substantially flat surface following it.
- the support portion 133a of the first lower mold 13a is such that the first lower holding tool 11a placed on the upper side of the first lower mold 13a moves or falls easily, or the first lower mold 13a. It is a part which has a function which supports the 1st lower holder 11a so that it may not remove easily from the upper side.
- the support portion 133 a is a planar portion that is formed on both outer sides of the second pressure portion 132 a and faces each other.
- the interval between the support parts 133a is set to a dimension that allows the whole of the first lower holding tool 11a or a part of the lower side to be detachably fitted.
- the dimension is set to be approximately the same as or slightly larger than the interval between the outer surfaces of the side wall 113a of the first lower holding tool 11a.
- the support part 133a of the first lower mold 13a shown in FIG. 2 has a dimension smaller than the height dimension of the side wall part 113a of the first lower holding tool 11a. With such dimensions, the lower part of the first lower holding tool 11a can be supported.
- the height dimension of the support part 133a may be a dimension substantially the same as or larger than the height dimension of the side wall part 113a of the first lower holding tool 11a. With such dimensions, the entire first lower holding tool 11a can be fitted into the first lower mold 13a.
- the upper side of the first lower mold 13a has a portion having a size and shape that follows the size and shape of the lower side of the first lower holding tool 11a.
- a “groove” having a predetermined axial shape, cross-sectional shape and dimensions is formed on the upper side of the first lower mold 13a.
- the support portion 133a corresponds to the side surface of the “groove”
- the first pressure portion 131a and the second pressure portion 132a correspond to the bottom surface of the “groove”.
- all or a part of the lower part of the first lower holding tool 11a can be detachably fitted into this “groove”.
- the first upper mold 14a shown in FIG. 3 has a configuration in which a part of the lower side has the dimensions and shape described above and can be inserted and removed between both side wall portions 113a of the first lower holding tool 11a.
- the lower surface of the first upper mold 14a has a size and a shape capable of fitting the upper side of the first upper holding tool 12a. Specifically, a first pressurizing part 141a and a second pressurizing part 142a are formed on the lower surface of the first upper mold 14a.
- the first pressurizing portion 141a of the first upper mold 14a has the first upper holding tool 12a in a state where the first upper holding tool 12a is fitted on the lower surface of the first upper mold 141a. It is a part which accommodates the upper side of the 1st pressurization part 121a.
- the size and shape of the first pressurizing portion 141a of the first upper mold 14a are substantially equal to the shape and size of the upper side of the first pressurizing portion 121a of the first upper holding tool 12a.
- the first pressure member 141a is a groove having a substantially trapezoidal cross section. It has the following structure.
- the upper side of the first pressure member 121a of the first upper holding tool 12a is a protrusion having a substantially semicircular cross section
- the first pressure member 141a of the first upper mold 14a has a substantially semicircular cross section. It has a groove-like structure.
- the second pressurizing portion 142a of the first upper mold 14a has the first upper holding tool 12a in a state where the first upper holding tool 12a is fitted into the lower surface of the first upper mold 14a. This is the part that contacts the upper surface of the second pressure part 122a.
- the second pressure member 142a of the first upper mold 14a is formed in a shape that follows the upper side of the second pressure member 122a of the first upper holding tool 12a.
- type 14a is formed in the both outer sides of the 1st pressurization part 141a of the 1st upper mold
- FIG. 3 when the upper side of the second pressure member 122a of the first upper holding tool 12a is substantially flat, the second pressure member 142a of the first upper mold 14a is , Formed in a substantially plane.
- the lower surface of the first upper mold 14a has a size and shape following the upper size and shape of the first upper holding tool 12a.
- the upper side of the first upper holding tool 12a can be detachably fitted to the lower surface of the first upper mold 14a.
- Each upper surface of the pressurizing part 122a is in contact with the lower surface of the first upper mold 14a almost entirely.
- a heating wire is applied as a heating means, and the heating wire is embedded in the first lower mold 13a or the first upper mold 14a, or the first lower mold 13a or the first upper mold 14a.
- a configuration in which a heating wire is attached to the outer periphery can be applied.
- a path (for example, a hole) through which fluid can pass is formed inside the first lower mold 13a and the first upper mold 14a, and the temperature-adjusted fluid (temperature-adjusted air or liquid) is formed in this path. (Oil etc.) and steam (superheated steam etc.) can be passed.
- the configuration and the configuration are not limited as long as the configuration can be maintained at the “predetermined temperature”.
- the first lower holding tool 11a is placed on the upper side of the first lower mold 13a, and the first upper holding tool 12a is fitted on the lower side of the first upper mold 14a.
- the entire first upper mold 14a or a part of the lower mold and the first upper holding tool 12a are placed on the first lower mold 13a.
- the first lower holding tool 11a can be fitted between the both side wall portions 113a (in fact, the first upper holding tool 12a is under the first upper mold 14a by its own weight.
- the first upper holding tool 12a is maintained in a state of being fitted below the first upper mold 14a).
- the 1st pressurization part 111a of the 1st lower side holder 11a and the 1st pressurization part 121a of the 1st upper side holder 12a oppose at predetermined intervals.
- the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a face each other with a predetermined interval.
- the first pressurizing part 111a, the second pressurizing part 112a and both side wall parts 113a of the first lower holding tool 11a are at predetermined positions of the wire harness 9a according to the first embodiment of the present invention. It becomes the shape and dimension of the covering member 92a to be provided.
- the first pressurizing part 111a of the first lower holding tool 11a is a recessed part that is recessed below the second pressurizing part 112a.
- the first pressure member 121a of the first upper holding tool 12a is a recess that is recessed above the second pressure member 122a.
- the distance between the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a is the first lower holding tool 11a. It becomes smaller than the distance between the 1st pressurization part 111a and the 1st pressurization part 111a of the 1st upper side holder 11a.
- the first pressurizing part 121a and the second pressurizing part 122a of the first upper holding tool 12a are all over the whole.
- FIG. 4 to 8 are cross-sectional views schematically showing predetermined steps of the method for manufacturing the wire harness 9a according to the first embodiment of the present invention.
- the first lower holding tool is provided with a predetermined portion of the electric wire 91 and a first material 801 (this first material 801 is preliminarily provided with a protective layer material 803.
- the second material 802 is accommodated and the first upper holding tool is placed on them.
- FIG. 5 shows a state where a predetermined portion of the electric wire 91, the first material 801, the second material 802, and the protective layer material 803 are accommodated, and the first upper holding tool is placed on them.
- FIG. 6 shows that the first lower holding tool 11a in which the first material 801, a predetermined portion of the electric wire 91, the second material 802, and the protective layer material 803 are accommodated is attached to the first lower mold 13a. It is the figure which showed the state mounted.
- FIG. 7 is a view showing a state in which the first material 801 and the second material 802 are heated and pressurized by the first lower mold 13a and the first upper mold 14a.
- the first material 801 and the second material 802 are members formed of a foam made of a first nonwoven fabric, a second nonwoven fabric, and a thermoplastic material, for example, a predetermined width, thickness, and length. A plate-like or bar-like member having the above is applied.
- the dimensions of the first material 801 and the second material 802 are appropriately set according to the dimensions and shape of the covering member to be molded.
- a sheet-like member formed of a predetermined material is applied to the protective layer material 803.
- the size and shape of the protective layer material 803 are appropriately set according to the size and shape of the protective layers 923a and 923b provided on the covering members 92a and 92b.
- the first material 801 and the second material 802 have a configuration in which a protective layer material 803 (protective layer 923a) is provided in advance on one surface thereof, and the first material 801 and A material in which the second material 802 and the protective layer material 803 are separate members can be applied.
- a material in which a nonwoven fabric or a sheet made of a polyester resin or the like is bonded to the first nonwoven fabric as the material 803 of the protective layer can be applied.
- the first material 801 wraps a predetermined portion of the electric wire 91 as shown in FIG. In a state of being sandwiched (or sandwiched), it is accommodated in a region sandwiched between both side walls 113a of the first lower holding tool 11a.
- the first material 801 is bent so as to sandwich (or wrap) the predetermined portion of the electric wire 91 (for example, bent into a substantially “U” shape or a substantially “C” shape). It is accommodated between both side wall portions 113a of one lower holding tool 11a.
- the second material 802 is placed on the upper side thereof, and the first upper holding tool 12a is further placed.
- the protective layer material 803 is placed on the first lower holding tool 11a. Is disposed. And the area
- the second material 802 is placed on the upper side of the material 803 of the layer. Then, the first material 801 and the second material 802 are wrapped with the protective layer material 803. Further, the first upper holding tool 12a is placed on the upper side thereof.
- a configuration using a plurality of protective layer materials 803 may be used.
- the first material 801 and the second material 802 are accommodated in the first lower holding tool 11a, and the first material 801 and the second material 803 are formed by the plurality of protective layer materials 803.
- the material 802 is wrapped (or sandwiched).
- the dimension which is the above dimension and is larger than the thickness dimension of the extension part 922a is applied.
- the width dimension of the first material 801 before being formed on the covering member 92a is at least a dimension equal to or larger than the distance between the both side walls 113a of the first lower holding tool 11a.
- the predetermined portion of the electric wire 91 is preferably set to a dimension that does not protrude from the first material 801.
- the dimension in the width direction of the second material 802 before being formed into the covering member 92a is equal to or larger than the distance between the both side walls 113a of the first lower holding tool 11a.
- the first pressurization of the first lower holding tool 11a is performed.
- the part 111a, the second pressure part 112a, and the side wall part 113a are maintained in an elastically deformed state.
- the first material 801 is encased in or wrapped around a predetermined portion of the electric wire 91 in a substantially “U” shape or a substantially “C” shape by the side wall 113a of the first lower holding tool 11a. Maintained in a state.
- the predetermined location of the electric wire 91 does not protrude or be exposed from the molded covering member 92a. That is, the molded covering member 92a covers the periphery of a predetermined portion of the electric wire 91 without a gap.
- the first lower holding tool 11 a accommodates the protective layer material 803, the first material 801, a predetermined portion of the electric wire 91, and the second material 802.
- the lower surface of the first pressure member 111a of the first lower holding tool 11a and the second pressure member is in contact with the first pressure part 131a and the second pressure part 132a of the first lower mold 13a, respectively.
- the entire outer surface or a part of the lower side of the side wall 113a of the first lower holding tool 11a approaches or contacts the support portion 133a of the first lower mold 13a.
- the first pressurizing part 131a and the second pressurizing part 132a of the first lower mold 13a and the first pressurizing part 141a and the second pressurizing part 142a of the first upper mold 14a are as follows.
- the temperature is maintained at a “predetermined temperature” by the temperature adjusting means.
- the “predetermined temperature” is a temperature equal to or higher than the melting point of the binder material of the binder fiber when the first nonwoven fabric is applied to the first material 801 and the second material 802, and the first material 801. A temperature equal to or lower than the lower one of the melting point of the second material 802 and the melting point of the protective layer material 803 is applied.
- a second nonwoven fabric or foam made of a thermoplastic material is applied to the first material 801 and the second material 802
- the melting point of the thermoplastic material that is the material of the second nonwoven fabric or foam A nearby temperature (however, a temperature above the melting point) is applied.
- the melting point of the binder material of the binder fiber of the first nonwoven fabric is about 110 ° C. and the protective layer material 803 is made of PET (polyethylene terephthalate) (melting point is about 250 ° C.)
- the “predetermined temperature” 110 to 250 ° C can be applied.
- the first lower mold 13a and the first upper mold 14a are brought close to each other.
- the first lower mold 13a and the first upper mold 14a are assembled in a not-shown press machine, and the first lower mold 13a and the second lower mold 14a approach each other by the operation of the press machine.
- the first lower mold 13a and the first upper mold 14a are brought close to each other so that the shape and size of the space surrounded by the pressurizing portion 122a is the shape and size of the molded covering member 92a.
- the 1st raw material 801 and the 2nd raw material 802 are heated and pressurized by making the 1st lower mold 13a and the 2nd upper mold 14a approach. Then, this state is maintained for a predetermined time (that is, heating and pressurization are continued).
- the first pressure member 111a of the first lower holding tool 11a and the first of the first upper holding tool 12a With the portion sandwiched between the pressurizing portions 121a and pressed becomes the main body portion 921a of the covering member 92a.
- a portion that is sandwiched and pressed between the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a is formed on the covering member 92a. It becomes the extension part 922a.
- the “predetermined time”, that is, the time during which the heating and pressurization of the first material 801 and the second material 802 are continued is as follows.
- the extension 922a is formed after the first material 801 and the second material 802 are formed on the covering member 92a. (The portion sandwiched between the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a) is the entire thickness direction.
- the first material 801 is used.
- the portion that becomes the covering member 92a extending portion 922a is longer than the time required to reach the temperature of the melting point of the thermoplastic material, but the main body portion 921a of the covering member 92a.
- the central portion of the portion is a time that does not reach the temperature near the melting point of the thermoplastic material.
- the extension portion 922a of the covering member 92a has a thickness dimension smaller than that of the main body portion 921a, the extension portion 922a extends before the central portion of the covering member 92a that becomes the main body portion 921a reaches the “predetermined temperature”. The entire portion that becomes the portion 922a can be heated to the predetermined temperature.
- the extending portion 922a of the covering member 92a is formed by the following process. Molded.
- the second pressure member 112a of the first lower holding tool 11a and the second pressure of the first upper holding tool 12a While the first material 801 and the second material 802 are being pressurized, the second pressure member 112a of the first lower holding tool 11a and the second pressure of the first upper holding tool 12a.
- the distance to the portion 122a is maintained substantially the same as the thickness dimension of the extending portion 922a of the covering member 92a.
- the thickness dimensions of the first material 801 and the second material 802 before pressurization are larger than the thickness dimension of the extending portion 922a of the molded covering member 92a.
- the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a The portion sandwiched between the two is pressurized and compressed and deformed. This portion is heated by the heat generated by the temperature adjusting means of the first lower mold 13a and the first upper mold 14a, and reaches a predetermined temperature. For this reason, this compressive deformation becomes plastic de
- the basic fiber of the first nonwoven fabric and the core fiber of the binder fiber are plastically deformed by thermoplasticity.
- the “predetermined temperature” is a temperature higher than the melting point of the binder material of the binder fiber, the binder material of the binder fiber melts and penetrates between the basic fiber and the core fiber of the binder fiber, and the first material. It also extends to the contact surface between 801 and the second material 802.
- the basic fibers of the first material 801 and the second material 802 and the core fibers of the binder fiber are bonded together by the binder material. Further, the first material 801 and the second material 802 are joined by the molten binder material spreading on the contact surface between the first material 801 and the second material 802.
- the “predetermined temperature” is the melting point of the thermoplastic material. Since the temperature is in the vicinity (however, the temperature is equal to or higher than the melting point), the first material 801 and the second material 802 are plastically deformed due to thermoplasticity. Since a part of each of the first material 801 and the second material 802 is melted, the first material 801 and the second material 802 are welded.
- the first material 801 and the second material 802 are made of any of the first nonwoven fabric, the second nonwoven fabric, and the foam, the first material 801 and the second material 802 are used.
- the main body 921a of the covering member 92a is formed by the following process.
- the material 801 and the second material 802 are sandwiched between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a.
- the portion becomes the main body 921a of the covering member 92a.
- the material is sandwiched between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a.
- the parts are pressurized by these.
- the first material 801 and the second material 802 are between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a.
- the plastic member is plastically deformed into a shape substantially equal to the shape of the gap formed to become a covering member 92a main body 921a.
- the first material 801 and the first material 802 of the first lower holding tool 11a of the first material 801 and the second material 802 are used.
- the portion in contact with the pressing portion 111a and the vicinity thereof, and the portion in contact with the first pressing portion 121a of the first upper holding tool 12a and the vicinity thereof reach the “predetermined temperature”. For this reason, the binder material of the binder fiber is melted by heat and spreads so as to spread between the basic fibers and the core fibers of the binder fiber.
- the first lower holding tool 11a of the first material 801 and the second material 802 is used.
- the portion in contact with the first pressure member 111a and the vicinity thereof, and the portion in contact with the first pressure member 121a of the first upper holding tool 12a and the vicinity thereof are the central portion thereof ( Since the temperature is high compared to the portion in contact with the electric wire and the vicinity thereof, the degree of plastic deformation increases compared to the central portion. As a result, the density of the fiber or foam is higher than that of the central portion.
- first lower holding tool 11a is in contact with the first pressurizing part 111a and a part in the vicinity thereof, and the first upper holding tool 12a is in contact with the first pressurizing part 121a. Since the part and the part in the vicinity thereof reach the “predetermined temperature”, a part of the second nonwoven fabric or foam is melted. When the second non-woven fabric or foam is melted, the density is increased, for example, bubbles are removed.
- the first material 801 and the second material are constituted by the first lower holding tool 11a, the first upper holding tool 12a, the first lower mold 13a, and the first upper mold 14a.
- the first material 801 and the second material 801 are joined and integrated in the portion that becomes the extending portion 922a of the covering member 92a. Further, the density of the surface layer portion of the portion that becomes the main body portion 921a of the covering member 92a is higher than that of the central portion.
- the heat generated by the first lower mold 13a is transmitted to the first material 801 and the second material 802 through the first lower holding tool 11a.
- the heat generated by the first upper mold 14a is transmitted to the first material 801 and the second material 802 through the first upper holding tool 12a. Since the first lower holding tool 11a and the first upper holding tool 12a are formed of a material having high thermal conductivity and are configured to easily transfer heat in the vertical direction, the first lower mold 13a and the first upper holding tool 12a The heat generated by the upper mold 14a is easily transmitted to the first material 801 and the second material 802. For this reason, it is not necessary to lengthen the “predetermined time”.
- the protective layer material 803 is formed into a predetermined shape to form the protective layer 923a.
- the protective layer material 803 includes the first material 801 and the second material 802, respectively.
- the protective layer 923a is formed by sticking to the surface and forming into a predetermined shape. The specific process is as follows.
- first material 801 and the second material 802 are pressurized by the first lower holding tool 11a and the first upper holding tool 12a, their surfaces reach a “predetermined temperature”. For this reason, when a 1st nonwoven fabric is applied to the 1st raw material 801 and the 2nd raw material 802, the binder material of the surface layer part of the 1st raw material 801 and the 2nd raw material 802 fuse
- the protective layer material 803 is made of a thermoplastic material
- the protective layer material 803 is plastically deformed due to thermoplasticity, and the first pressurizing portion 111a and the second pressurizing portion 111a of the first lower holding tool 11a.
- the shape and size follow the shape and size of the first pressure member 112a of the one upper holding tool 12a. That is, in this process, the first material 801 and the second material 802 are heated by the heat of the temperature adjusting means of the first lower mold 13a and the first upper mold 14a, and can be plastically deformed by thermoplasticity. Is in a state.
- the force of the first material 801 and the second material 802 returning to the original shape and dimensions causes the material 803 of the protective layer.
- a force is applied to the upper surface of the first lower holding tool 11a and the lower surface of the first upper holding tool 12a.
- the material 803 of the protective layer is plastically deformed to have substantially the same size and shape as the size and shape of the upper surface of the first lower holding tool 11a and the lower surface of the first upper holding tool 12a.
- the first lower mold 13a and the first upper mold 14a are separated.
- coated member 92a and the electric wire 91) of the wire harness 9a concerning 1st embodiment of this invention is the 1st lower side holder 11a and the 1st upper side. It is removed from the first lower mold 13a while being sandwiched between the holders 12a. And the predetermined location of the wire harness 9a concerning 1st embodiment of this invention is cooled in the state mounted in the 1st lower side holder 11a.
- the molded covering member 92a has plasticity due to thermoplasticity of the basic fibers of the first nonwoven fabric and the core fibers of the binder fibers. After reaching a temperature at which deformation does not occur (at least, a temperature lower than the first temperature zone), the first lower holding tool 11a and the first upper holding tool 12a are removed.
- the second nonwoven fabric or foam is applied to the first material 801 and the second material 802, after the thermoplastic material reaches a temperature that does not cause plastic deformation due to thermoplasticity, The lower holding tool 11a and the first upper holding tool 12a are removed.
- the cooling method is not particularly limited. For example, in addition to a method of storing in a refrigerator or a method of spraying a normal temperature or low temperature gas, a method of leaving in a normal temperature may be used.
- Various conventionally known methods can be applied to these steps. Therefore, description of these steps is omitted.
- the 1st lower side holder 11a and the 1st upper side holder 12a are predetermined
- the part is not heated.
- the molded covering member 92a When the first nonwoven fabric is applied to the first material 801 and the second material 802, the molded covering member 92a has a temperature at which plastic deformation due to thermoplasticity does not occur (at least from the first temperature range). At a lower temperature), the shape and dimensions of the molded covering member 92a are determined. Further, the binder material melted and spread between the basic fibers and the core fibers of the binder fibers is solidified, and the binder material bonds the core fibers of the basic fibers and the binder fibers to each other. For this reason, the part which the binder material melt
- the binder material melts and spreads over almost the entire portion, and then solidifies.
- the extension part 922a is compressed and deformed, and the density of the core fiber and the core fiber of the binder fiber is high.
- the extension part 922a of the covering member 92a is bonded to each other by the binder material in a state where the density of the core fiber of the basic fiber and the binder fiber is increased, the hardness is higher than that of other parts. .
- the first material 801 and the second material 802 are joined and integrated in the extending portion 922a by solidification of the binder material.
- the central portion of the main body 921a of the molded covering member 92a (that is, the portion in contact with the predetermined portion of the electric wire 91 and the vicinity thereof) does not reach the first temperature zone during pressurization. For this reason, compared with the surface layer portion of the main body portion 921a of the covering member 92a, the degree of plastic deformation due to thermoplasticity is small, or plastic deformation due to thermoplasticity does not occur. And since it has not reached the first temperature zone, the binder material of the binder fiber is not melted. Therefore, the central part of the main body 921a of the covering member 92a has substantially the same physical properties as the first non-molded nonwoven fabric (however, the fiber density may be increased due to pressure). ).
- the extending portion 922a of the covering member 92a is compressed by the first material 801 and the second material 802.
- the density has been increased.
- the extension portion 922a has a higher hardness than other portions.
- the surface layer portion of the main body portion 921a of the covering member 92a has a higher temperature at the time of pressurization than the central portion, the degree of plastic deformation is larger than that of the central portion.
- the center part of the main body 92a of the covering member 92a maintains the state before heating and pressurization. For this reason, the surface layer portion of the main body portion 921a of the covering member 92a has a higher density than the central portion. Further, a part of the surface layer portion of the main body 921a of the covering member 92a has reached a temperature equal to or higher than the melting temperature at the time of pressurization.
- the surface layer portion of the main body portion 921a of the molded covering member 92a is formed in any configuration in which any of the first nonwoven fabric, the nonwoven fabric, and the foam is applied to the first material 801 and the second material 802.
- the first material 801 and the second material 802 before molding are harder than the center portion of the main body 921a.
- the central part of the main body 921a of the covering member 92a has substantially the same physical properties as before pressing.
- the covering member 92a provided at a location to be protected in the wire harness 9a according to the first embodiment of the present invention functions as a protector.
- coated member 92a provided in the location which wants to maintain a predetermined shape among the wire harnesses 9a concerning 1st embodiment of this invention maintains the said location in a predetermined shape.
- the covering member 92a provided in a portion of the wire harness 9a according to the first embodiment of the present invention that is to be protected and to be maintained in a predetermined shape functions as a protector, and The location is maintained in a predetermined shape.
- the method for manufacturing the wire harness 9a according to the first embodiment of the present invention can provide the following operational effects.
- the process of forming the covering member 92a in the method for manufacturing the wire harness 9a according to the first embodiment of the present invention is simpler than the method of fitting an electric wire into a protector or a covering member of an injection molded product. is there.
- the predetermined portion of the electric wire 91 is in elastic contact with the covering member 92a. For this reason, a collision sound etc. do not generate
- the protective layer material 803 can be a simple shape (for example, a flat plate). Therefore, an inexpensive member can be applied to the protective layer material 803.
- a sheet or flat plate formed of a predetermined material, cut into a predetermined size and shape can be applied. In this way, the protective layer material 803 does not require special processing. For this reason, it is possible to improve the wear resistance of the covering member 92a and to prevent or suppress an increase in the component cost.
- the configuration in which the first material 801 and the second material 802 and the protective layer material 803 are separate members is shown, but such a configuration is not necessary.
- a configuration in which a protective layer 923a is molded in advance on one surface of the first material 801 and the second material 802 (in other words, the first material 801 and the second material in which the protective layer 923a is molded on one surface).
- the material 802 may be used.
- the first material 801 and the second material 802 and the protective layer material 803 are separate members, the first material 801 and the second material 802 are attached to the first lower holding tool 11a. In the process of accommodating in, the structure which accommodates the raw material 803 of a protective layer simultaneously may be sufficient.
- the protective layer material 803 may be temporarily fixed (adhered or the like) to one surface of the first material 801 and the second material 802 in advance. Even if it is such a structure, there can exist an effect similar to the above-mentioned. Further, in such a configuration, it is not necessary to separately store the protective layer material 803, the first material 801, and the second material 802 in the first lower holding tool. Can be further reduced.
- the structure in which the protective layer 923a was provided in both the 1st raw material 801 and the 2nd raw material 802 was shown, in any one Only the structure provided may be sufficient. In short, any structure may be used as long as the protective layer 923a is provided in a portion of the covering member 92a where it is desired to improve wear resistance.
- the manufacturing method of the wire harness 9a according to the first embodiment of the present invention can achieve the following effects by using the first lower holding tool 11a.
- first material 801 and the second material 802 are directly heated and pressurized by the first lower mold 13a and the first upper mold 14a without using the first lower holding tool 11a.
- the first material 801 is directly disposed on the upper side of the first lower mold 13a
- the predetermined portion of the electric wire 91 is disposed on the upper side
- the second material 802 is disposed on the upper side.
- the work of doing is necessary. For this reason, if these operations take time (especially when a long time elapses with the first material 801 disposed on the upper side of the first lower mold 13a), the work is placed on the first lower mold 13a.
- the placed first material 801 is heated by the temperature adjusting means of the first lower mold 13a before being pressurized. For this reason, there is a possibility that the first material 801 and the second material 802 cannot be formed into the shape of the predetermined covering member 92a as a result of plastic deformation due to thermoplasticity and an unexpected shape.
- the entire first material 801 may reach a “predetermined temperature”.
- the first material 801 is the first nonwoven fabric
- the binder material is melted throughout.
- the foam which consists of a 2nd nonwoven fabric or a thermoplastic material is applied for the 1st raw material 801
- melt there exists a possibility that the whole 1st raw material 801 may fuse
- the portion in contact with the predetermined portion of the electric wire 91 and the vicinity thereof also harden.
- coated member 92a cannot exhibit the function as a shock absorbing material, or a shock absorbing material As a function becomes low.
- the heat of the first lower mold 13a is transmitted to a predetermined portion of the electric wire 91 through the first material 801.
- the covering material at a predetermined portion of the electric wire 91 may be damaged by heat.
- first upper mold 13a and the first lower mold 14a are maintained at a temperature at which the first material 801 and the second material 802 can be plastically deformed by thermoplasticity.
- the operator performs the first lower mold 13a and / or the first upper mold 13a. There is a risk of burning by touching the mold 14a.
- first upper mold 13a and the first lower mold 14a are heated to a predetermined temperature only when the first material 801 and the second material 802 are pressurized.
- the first lower mold 13a and the first upper mold 14a are heated only at the time of pressurization (that is, the first lower mold 13a and the first upper mold 14a are heated after the pressurization is started). Then, even before the first lower mold 13a and the first upper mold 14a reach the “predetermined temperature”, the first material 801, the predetermined portion of the electric wire 91, and the second material 802 are heated. Then, when the first lower mold 13a and the first upper mold 14a reach a predetermined temperature, heat is transferred from the surface of the first material 801 and the second material 802 to the inside, and the electric wire 91 There is a risk that the temperature may reach a predetermined location or its vicinity.
- the covering material (generally formed of a synthetic resin material) at the predetermined portion of the electric wire 91 may be damaged by heat. If the covering material at a predetermined location of the electric wires 91 is damaged by heat, there is a risk that insulation between the electric wires 91 cannot be maintained.
- the first lower member 11a includes the first material 801, the predetermined portion of the electric wire 91, and the second material 802.
- the first material 801 and the second material 802 can be heated only when the first lower mold 13a and the first upper mold 14a are pressurized.
- the first material 801 and / or the second material 802 are unexpectedly deformed before pressurization. There is no risk of causing. Therefore, the first material and the second material can be accurately formed into the shape of the covering member 92a.
- the first lower holding tool 11a in which the first material 801, a predetermined portion of the electric wire 91, the second material 802, and the protective layer material 803 are accommodated is placed on the first lower mold 13a. Then, the first material 801 and the second material 802 can be heated and pressurized immediately. That is, before pressurization, the first material 801 and the second material 802 are not heated for a long time. Therefore, before heat is transmitted to the central portions of the first material 801 and the second material 802, molding can be performed by applying pressure. For this reason, the inside of the first material 801 and the second material 802 (particularly the portion in contact with the predetermined portion of the electric wire 91 and the vicinity thereof) is pressed and molded before reaching the “predetermined temperature”. be able to. Therefore, since the inside of the first material 801 and the second material 802 is not cured, the first material does not lose its function as a soundproofing material or a cushioning material.
- the operation of housing the protective layer material 803, the first material 801, the predetermined portion of the electric wire 91, and the second material 802 in the first lower holding tool 11a includes the first lower mold 13a and the first material 802. It can be performed at a location away from one upper mold 14a. For this reason, since work can be performed in a place with a large work space, the work can be easily performed.
- the first lower mold 13a and the first upper mold 14a are generally assembled in a press machine, the first material 801 and the like are directly accommodated in the first lower mold 13a. Needs to be performed in a limited space between the first lower mold 13a and the first upper mold 14a. For this reason, the first upper mold 14a may be an obstacle to work.
- the work can be performed in a place where there is no obstacle to the work.
- the operation of accommodating the first material 801, the predetermined portion of the electric wire 91, the second material 801, and the protective layer material 803 in the first lower holding tool 11a is performed by the first lower mold 13a or the first material. Since it can be performed in a place where the one upper mold 14a is not touched, there is no risk of the operator being burned.
- the first lower mold 13a and the first upper mold 14a are not only at the time of pressurization but also at other times (for example, in standby).
- the mold 13a and the first upper mold 14a can be maintained at a “predetermined temperature”. For this reason, immediately after the operation of accommodating the protective layer material 803, the first material 801, the predetermined portion of the electric wire 91 and the second material 802 in the first lower holding tool 11a is completed, heating and heating are performed. Pressure can be performed. For this reason, the time which manufactures of the wire harness 9a concerning 1st embodiment of this invention can be shortened. Further, since the first lower mold 13a and the first upper mold 14a can always be maintained at a predetermined temperature, the temperature of the first material 801 and the second material 802 can be controlled during pressurization. It becomes easy.
- the first lower mold 13a and the first upper mold 14a can always be maintained at a predetermined temperature.
- the second material 802 can be quickly heated to a predetermined temperature. For this reason, before the predetermined part of the electric wire 91 and the vicinity of the predetermined part of the electric wire 91 of the first material 801 and the second material 802 are transferred to the high temperature, the extension portion 922a The first material 801 and the second material 802 can be bonded, and the protective layer material 803 can be attached to the surfaces of the first material 801 and the second material 802.
- the first nonwoven fabric when applied as the first material 801 and the second material 802, only the surface layer portion of the main body portion 921a of the covering member 92a is set to a predetermined temperature. It can be plastically deformed by heating, and the binder material of only the surface layer portion can be melted. Therefore, in the main body portion 921a of the covering member 92a, only the surface layer portion can plastically deform the first material 801 and the second material 802, and the binder material can be formed between the basic fibers or the core fibers of the binder fibers. It can be absorbed in between.
- thermoplastic material can be plastically deformed by heating to a temperature of 5 ° C., and the thermoplastic material can be melted only in a part of the surface layer portion. Therefore, in the main body portion 921a of the covering member 92a, only the surface layer portion can plastically deform the first material 801 and the second material 802, and can eliminate or reduce bubbles and cavities.
- the cured portion can protect the shape of the predetermined portion of the wire harness 9a according to the first embodiment of the present invention in a predetermined shape and can protect it.
- the uncured portion of the central portion of the main body 921a of the covering member 92a functions as a soundproofing material or a cushioning material at a predetermined location of the electric wire 91.
- the wire harness 9a concerning 1st embodiment of this invention may bend and deform
- the first material 801 and the second material 802 housed in the first lower holding tool 11a are all covered. It becomes a member. For this reason, after the covering member 92a is molded, an operation of removing unnecessary portions (so-called trimming) is not necessary. Therefore, it is possible to reduce the work man-hour (or to prevent the work man-hour from increasing). Furthermore, waste of the first material 801 and the second material 802 can be eliminated.
- the first lower mold 13a and the first upper mold are formed.
- the pressure applied to the molded covering member 92a disappears.
- the molded covering member 92a may try to return to the shape and dimensions before molding (for example, a phenomenon corresponding to springback in plastic processing of metal or the like may occur).
- the central portion of the main body portion 921a of the molded covering member 92a is elastically deformed rather than plastically deformed because the temperature at the time of pressurization is lower than the surface layer portion and the extending portion 922a of the main body portion 921a.
- the molded covering member 92a is taken out of the first lower mold 13a and the first upper mold 14a, and then is plasticized by thermoplasticity.
- the compression force is continuously applied by the weight of the first upper holding tool 12a until the temperature is such that no deformation occurs. For this reason, it can prevent that the shape
- the molded covering member 92a reaches a temperature at which plastic deformation due to thermoplasticity does not occur, the dimension and shape of the covering member 92a are determined to be the molded shape and are not deformed.
- the precision of the shape and dimension of the wire harness 9a concerning 1st embodiment of this invention can be aimed at.
- a separating force may be applied to the extending portion 922a of the covering member 92a. If it does so, there exists a possibility that the intensity
- the molded covering member 92a has a first temperature until it falls to a temperature at which it is not plastically deformed due to thermoplasticity (at least a temperature lower than the first temperature zone when the first nonwoven fabric is applied).
- the weight of the upper holding tool 12a can be continuously applied. Thereby, it is possible to improve the bonding strength (or prevent the bonding strength from being lowered) in the extending portion 922a of the covering member 92a. Alternatively, separation of the first material 801 and the second material 802 can be prevented or suppressed.
- first lower holding tool 11a and the first upper holding tool 12a are sandwiched by a clamp or the like, it is possible to more reliably prevent the molded covering member 92a from being deformed.
- the first lower mold 13a and the first upper mold 14a are separated after pressurizing the first material 801 and the second material 802.
- the second material 802 can be prevented from sticking to the first upper mold 14a.
- the binder fiber is used while the first material 801 and the second material 802 are heated and pressurized.
- the binder material is melted.
- a second nonwoven fabric or foam made of a thermoplastic material is applied to the first material 801 and the second material 802
- the first material 801 and the second material 802 are heated. And while being pressurized, at least some of their surfaces are molten.
- the first lower mold 13a and the first When the upper mold 14a is separated, in particular, the second material 802 adheres to the first upper mold 14a, the first material 801 adheres to the first lower holding tool 11a, and the first material
- a force to be peeled off is applied to the 801 and the second material 802.
- the first material 801 and the second material 802 may be separated, and the bonding strength may be reduced.
- the covering member 92a is covered with the second upper holding tool 12a until it is cooled to a temperature at which plastic deformation due to thermoplasticity does not occur after being pressed and molded while being heated. It is in. For this reason, it is possible to prevent foreign matters from coming into contact with the molded covering member 92a during cooling. Therefore, undesired deformation of the molded covering member 92a is prevented.
- the wire harness 9b according to the second embodiment of the present invention has the same configuration as the wire harness 9a according to the first embodiment of the present invention except for the configuration of the covering member 92b. Description of the configuration common to the wire harness 9a according to the first embodiment of the present invention may be omitted.
- FIG. 9A shows a configuration in which the cross-sectional shape of the covering member 92b is substantially hexagonal
- FIG. 9B shows a configuration in which the cross-sectional shape of the covering member 92b is substantially circular.
- the covering member 92b of the wire harness 9b according to the second embodiment of the present invention has the same configuration as the main body portion 921a of the covering member 92a of the wire harness 9a according to the first embodiment of the present invention.
- the covering member 92b of the wire harness 9b according to the second embodiment of the present invention does not have an extending portion, unlike the covering member 92a of the wire harness 9a according to the first embodiment of the present invention.
- FIG. 9A shows a configuration in which the cross-sectional shape of the covering member 92b is substantially hexagonal
- FIG. 9B shows a configuration in which the cross-sectional shape of the covering member 92b is substantially circular.
- the cross-sectional shape of the covering member 92b is not limited.
- the covering member 92b of the wire harness 9b according to the second embodiment of the present invention is formed from a single material.
- 9A and 9B a broken line in the cross section of the covering member 92b schematically shows the joining surface of the material.
- this material is referred to as “third material 804”.
- the same material as the first material 801 and the second material 802 can be applied to the third material 804. That is, as the third material 804, either the first nonwoven fabric, the second nonwoven fabric made of a thermoplastic material, or a foam can be applied.
- the covering member 92b of the wire harness 9b according to the second embodiment of the present invention is provided with a protective layer 923b over substantially the entire surface thereof.
- the protective layer 923b of the covering member 92b of the wire harness 9b according to the second embodiment of the present invention has the same configuration as the protective layer 923a of the covering member 92a of the wire harness 9a according to the first embodiment of the present invention.
- the wire harness 9b concerning 2nd embodiment of this invention has the same effect as the wire harness 9a concerning 1st embodiment of this invention.
- the manufacturing method of the wire harness 9b according to the second embodiment of the present invention includes a second lower holding tool 11b, a second upper holding tool 12b, a pair of second lower molds 13b, and a second upper holding tool.
- a second mold composed of the mold 14b and a press machine are used.
- FIG. 10 is an external perspective view schematically showing configurations of the second lower holding tool 11b and the second lower mold 13b.
- FIG. 11 is an external perspective view schematically showing the configuration of the second upper holding tool 12b and the second upper mold 14b.
- the upper side in FIG. 10 is the side facing the second upper holding tool 12b and the second upper mold 14b.
- the upper side in FIG. 11 is the side facing the second lower holding tool 11b and the second lower mold 13b.
- the side facing the second upper holding tool 12b and the second upper mold 14b is referred to as “upper side”.
- the side facing the second lower holding tool 11b and the second lower mold 13b is referred to as a “lower side”.
- the upper side in the figure is the upper side of the second lower holding tool 11b and the second lower mold 13b.
- the upper side in the figure is the lower side of the second upper holding tool 12b and the second upper mold 14b.
- the second upper holding tool 11b and the second lower holding tool 12b pressurize the third material 804 to be predetermined.
- the second lower holding tool 11b has a pressurizing part 114b and a side wall part 113b.
- the pressure part 114b of the second lower holding tool 11b is a part for pressurizing and molding the covering member 92b.
- the pressurizing part 114b of the second lower holding tool 11b has the same function and configuration as the first pressurizing part 111a of the first lower holding tool 11a.
- the side wall 113b is a part having a function of holding the third material 804 before and during the pressurization of the third material 804.
- the side wall portion 113b is a plate-like or ridge-like portion that protrudes upward, and is formed along the outer edge of the pressurizing portion 114b of the second lower holding tool 11b. That is, the two side wall portions 113b face each other with a predetermined distance across the pressurizing portion 114b.
- the height dimension of the side wall portion 113b is such that the third material 804 is placed from above the both side wall portions 114b in a state where the predetermined portion of the electric wire 91 and the third material 804 are accommodated between the both side wall portions 113b. The dimensions are set so as not to protrude outside.
- the first lower holding tool 11b as a whole has a rod-like configuration with a substantially “U” cross section.
- the shape of the lower side of the second lower holding tool 11b is not particularly limited.
- the second lower holding tool 11b is made of a metal plate or the like and is manufactured by plating or the like, a pressurizing portion formed on the upper side is provided below the second lower holding tool 11b. A convex portion corresponding to 114b is formed.
- the second upper holding tool 12b has a pressurizing part 123b.
- the configuration and function of the pressure member 123b of the second upper holding tool 12b are the same as those of the first pressure member 121a of the first upper holding tool 12a.
- the shape of the upper side of the second upper holding tool 12b is not particularly limited.
- the second upper holding tool 12b is made of a metal plate or the like and manufactured by plating or the like, the upper side of the second upper holding tool 12b corresponds to the pressurizing part 123b formed on the lower side. A convex part is formed.
- the second upper holding tool 12b has a dimension that can be easily put in and out of the region between the both side walls 113b of the second lower holding tool 11b. That is, the width dimension of the second upper holding tool 12b is set to a dimension that is substantially the same as or slightly smaller than the dimension of the distance between the side wall portions 113b of the second lower holding tool 11b. Furthermore, the pressing part 114b of the second lower holding tool 11b and the pressing part 123b of the second upper holding tool 12b are formed so that their axes are substantially the same shape. When the second upper holding tool 12b is inserted between the side walls 113b of the second lower holding tool 11b, the pressurizing part 123b of the second upper holding tool 12b and the second lower holding tool 11b The pressing part 114b faces.
- the second lower holding tool 11b and the second upper holding tool 12b are formed of a material having a high thermal conductivity and have a configuration with a small amount of heat storage (that is, easy to follow a surrounding temperature change). In particular, it has a configuration that facilitates heat transfer in the vertical direction.
- the pressurizing part 114b and the side wall part 113b of the second lower holding tool 11b are integrally formed from a single metal plate by plating or the like.
- the second upper holding tool 12b is also preferably configured to be integrally formed from a single metal plate by plating or the like.
- the second lower mold 13b is coated with the second material 804 while being heated together with the second upper mold 12b and the second upper mold 14b via the second lower mold 11b.
- the groove-shaped recess is composed of a pressure part 134b and a support part 133b.
- the pressing part 134b of the second lower mold 13b is a pressing part of the second lower holding tool 11b in a state where the second lower holding tool 11b is placed on the upper side of the second lower mold 13b.
- the pressurizing part 134b of the second lower mold 13b has a size and shape substantially equal to the lower shape and size of the pressurizing part 114b of the second lower holding tool 11b. For example, as shown in FIG.
- the pressurizing portion 134b of the second lower mold 13b is It is formed in a substantially trapezoidal cross section.
- the pressurizing portion 134b of the second lower mold 13b has a groove shape having a substantially semicircular cross section. It is formed.
- the support part 134b of the second lower mold 13b is such that the second lower holder 11b placed on the upper side of the second lower mold 13b moves or falls easily, or the second lower mold 13b. This is a part having a function of supporting the second lower holding tool 11b so that it does not easily come off from the upper side of the second lower holding tool 11b.
- the support part 133 b is a planar part that is formed on both outer sides of the pressure part 134 b and faces each other.
- the interval between the support parts 133b is set to a dimension that allows the whole of the second lower holding tool 11b or a part of the lower side to be detachably fitted.
- the dimension is set to be approximately the same as or slightly larger than the interval between the outer surfaces of the side wall 113b of the second lower holding tool 11b.
- the second lower holding tool 11b placed on the upper side of the second lower mold 13b can be supported so as not to move, easily fall over, or easily come off from the upper side of the second lower mold 13b. Any size is acceptable.
- the support part 133b of the second lower mold 13b shown in FIG. 10 has a dimension smaller than the height dimension of the side wall part 113b of the second lower holding tool 11b. With such a size, a part of the lower side of the second lower holding tool 11b can be supported.
- the height dimension of the support part 133b may be substantially the same as or larger than the height dimension of the side wall part 113b of the second lower holding tool 11b. With such dimensions, the entire second lower holding tool 11b can be fitted into the second lower mold 13b.
- the upper side of the second lower mold 13b has a portion formed in a size and shape following the size and shape of the lower side of the second lower holding tool 11b.
- the second upper mold 14b is molded by pressing the third material 804 while heating it together with the second lower mold 13b and the second lower holder 11b via the second upper holder 12b. It is a tool.
- the whole or a part of the lower side of the second upper mold 14b has a structure that can be taken in and out between both side wall portions 113b of the second lower holding tool 11b. This configuration is the same as that of the first upper mold 14a.
- the lower side of the second upper mold 14b has a size and a shape capable of fitting the upper side of the second upper holding tool 12b.
- a pressure unit 143b is formed below the second upper mold 14b.
- the pressurizing part 143b of the second upper mold 14b is configured so that the pressurizing part 123b of the second upper holding tool 12b is in a state where the second upper holding tool 12b is fitted below the second upper mold 14b.
- the size and shape of the pressurizing portion 143b of the second upper mold 14b are substantially equal to the shape and size of the upper side of the pressurizing portion 123b of the second upper holding tool 12b.
- the lower surface of the second upper mold 14b is formed in a size and shape following the size and shape of the upper side of the second upper holding tool 12b. For this reason, the upper side of the second upper holding tool 12b can be detachably fitted to the lower side of the second upper mold 14b.
- the second lower mold 13b and the second upper mold 14b are each provided with a temperature adjusting means (not shown). And, by this temperature adjusting means, it is possible to maintain the pressurizing portions 134b and 143b of the second lower mold 13b and the second upper mold 14b at “predetermined temperatures”.
- the same structure as the first lower mold 13a and the second lower mold 14a can be applied to the temperature adjusting means.
- the “predetermined temperature” is the same as the “predetermined temperature” in the method for manufacturing the wire harness 9a according to the first embodiment of the present invention.
- the second lower holding tool 11b is placed on the upper side of the second lower mold 13b, and the second upper holding tool 12b is fitted on the lower side of the second upper mold 14b.
- the second upper holding tool 12b are fitted between both side wall parts 113b of the second lower holding tool 11b placed on the second lower mold 13b.
- the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b are opposed to each other with a predetermined interval.
- the pressurizing portion 114b and both side wall portions 113b of the second lower holding tool 11b and the second upper holding tool 12b are the shape and size of the covering member 92b provided in a predetermined portion of the wire harness 9b according to the second embodiment of the present invention.
- FIG. 12 shows a predetermined portion of the electric wire 91 and the third material 804 (the protective material 803 is integrally provided on the third material 804) on the second lower holding tool 11b.
- FIG. 13 shows a state in which the third material 804, a predetermined portion of the electric wire 91, and the protective layer material 803 are accommodated in the second lower holding tool 11b and the second upper holding tool 12b is placed. It is a figure.
- FIG. 12 shows a predetermined portion of the electric wire 91 and the third material 804 (the protective material 803 is integrally provided on the third material 804) on the second lower holding tool 11b.
- FIG. 13 shows a state in which the third material 804, a predetermined portion of the electric wire 91, and the protective layer material 803 are accommodated in the second lower holding tool 11b and the second upper holding tool 12b is placed. It is a figure.
- FIG. 12 shows a predetermined portion of the electric wire 91 and the third material 804 (the protective material 803 is integrally provided on
- FIG. 14 shows that the first lower holding tool 11b in which the third material 804, a predetermined portion of the electric wire 91 and the protective layer material 803 are accommodated and the second upper holding tool 12b is placed is the second lower holding tool 11b. It is the figure which showed the state mounted in the lower mold
- FIG. 15 is a view showing a state in which the third material 804 is pressurized while being heated by the second lower mold 13b and the second upper mold 14b.
- the third material 804 sandwiches (or wraps) a predetermined portion of the electric wire 91 as shown in FIG. It is bent (for example, bent into a substantially “U” shape or a substantially “C” shape), and is accommodated between both side wall portions 113b of the second lower holding tool 11b.
- the second upper holding tool 12b is placed on the upper side.
- the surface of the surface of the third material 804 where the protective layer material 803 is not provided is directed to a predetermined portion of the electric wire 91 and the surface of the protective layer material 803 is provided. Is directed outward.
- the third material 804 sandwiches (or wraps) a predetermined portion of the electric wire 91 as shown in FIG.
- Both sides of the second lower holding tool 11b are bent (for example, bent into a substantially “U” shape or a substantially “C” shape), and the third material 804 is disposed on the outside thereof. It is accommodated between the walls 113b.
- a predetermined portion of the electric wire 91 is sandwiched (or encased) by the protective layer material 803 and further encased by the protective layer material 803, and the both side walls of the second lower holding tool 11b. It is accommodated between the parts 113b.
- the 2nd upper side holder 12b is mounted on those upper sides.
- the procedure for disposing the third material 804 and the protective layer material 803 is not particularly limited.
- a predetermined portion of the electric wire 91 is sandwiched (or wrapped) with the third material 804, and further, the third material 804 is wrapped with the protective layer material 803, and then the both side walls of the first lower holding tool 11b. You may accommodate between 113b.
- the protective layer material 803 is first disposed on the first lower holder 11b, and then the third material 804 sandwiching (or wrapping) a predetermined portion of the electric wire 91 is disposed on the first lower holder 11b. You may accommodate between the both-sides wall part 113b of the side holder 11b.
- the width dimension of the third material 804 before being formed on the covering member 92b is a dimension that can wrap a predetermined portion of the electric wire 91 without a gap. In a state where the predetermined portion of the electric wire 91 is sandwiched (or wrapped) by being bent (or rolled), the predetermined portion of the electric wire 91 does not protrude (or is not exposed) from the third material 804. It is set to a dimension that can be
- the third material 804 is elastically deformed in a compressing manner while being housed inside the both side walls 113b of the second lower holding tool 11b. And the 3rd raw material 804 is maintained in the state which pinched
- the second lower holding tool 11b placed on the upper side of the second lower mold 13b easily shifts in position, falls easily, or easily disengages from the second lower mold 13b. It is prevented.
- the lower surface of the pressurizing part 114b of the second lower holding tool 11b contacts the pressurizing part 134b of the second lower mold 13b.
- the entire outer surface or a part of the lower side of the side wall 113b of the second lower holding tool 11b contacts and / or approaches the support portion 133b of the second lower mold 13b.
- the pressurizing part 134b of the second lower mold 13b and the pressurizing part 143b of the second upper mold 14b are maintained at a “predetermined temperature” by the temperature adjusting means.
- the second lower mold 13b and the second upper mold 14b are brought close to each other.
- a press machine (not shown) is used to drive the second lower mold 13b and the second upper mold 14b.
- the distance between the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b is set to a predetermined distance. That is, the second lower mold 13b and the second upper mold 14b are brought close to each other and surrounded by the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b.
- the shape and size of the space to be formed are the shape and size of the molded covering member 92b.
- the third material 804 is pressurized and heated. Then, this state is maintained for a “predetermined time” (that is, heating and pressurization are continued).
- the surface layer portion of the raw material 804 reaches the melting point of the thermoplastic material, but the central portion of the third raw material 804 is the time not reaching the melting point.
- the covering member 923b is formed by the following process.
- the third material 804 is pressurized by the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b, and the second lower holding tool 11b is pressurized. It is compressed and deformed into a shape substantially equal to the shape of the gap formed between the portion 114b and the pressing portion 123b of the second upper holding tool 12b. As a result, the third material 804 has the size and shape of the covering member 923b.
- the density of the surface layer portion of the third material 804 is increased by the same process as the method of manufacturing the wire harness manufacturing method 9a according to the first embodiment of the present invention. , Higher than the center.
- the protective layer material 803 adheres to the surface of the third material 804.
- the process of attaching the protective layer material 803 to the third material 804 is also the same as the method of manufacturing the wire harness 9a according to the first embodiment of the present invention.
- the protective layer 923b is provided on the surface of the covering member 92b.
- the third material 804 is a substantially flat member and is bent into a substantially “U” shape or a substantially “C” shape, Both ends of the material 804 in the width direction are welded.
- the third material 804 is a rod-shaped member having a slit, the inner surfaces of the slit are welded to each other. For this reason, the third material 804 has a cylindrical configuration in which a predetermined portion of the electric wire 91 is wrapped inside.
- the third material 804 comes into contact with the second lower holding tool 11 b or the second upper holding tool 12 b.
- the binder material of the basic fiber and the binder fiber of the first nonwoven fabric is melted in the portion and the vicinity thereof (that is, the surface layer portion).
- the melted binder material permeates between the basic fibers and the core fibers of the binder fibers and spreads between the contacting surfaces of both ends in the width direction or between the inner surfaces of the slits. For this reason, in the surface layer part of the 3rd raw material 804, the surface which the both ends of the width direction are contacting, or the inner surface of a slit joins by the fuse
- the third material 804 is made of any one of the first nonwoven fabric, the second nonwoven fabric, and the foam, the both ends in the width direction of the third material 804 or the inner surface of the slit. Join each other. For this reason, the 3rd raw material 804 comes to have the cylindrical structure (structure which does not have the opening part etc. which reach the predetermined location of the electric wire 91 from an outer peripheral surface) which wrapped the predetermined location of the electric wire 91.
- the second lower mold 13b and the second upper mold 14b are separated.
- coated member 92b and the electric wire 91) of the wire harness 9b concerning 2nd embodiment of this invention is the 2nd lower side holder 11b and the 2nd upper side. It is removed from the second lower mold 13b while being sandwiched between the holders 12b.
- the predetermined location of the predetermined location of the wire harness 9b concerning 2nd embodiment of this invention is cooled in the state mounted in the 2nd lower side holder 11b.
- the cooling method is the same as the manufacturing method of the wire harness 9a according to the first embodiment of the present invention.
- each covering material 92b is formed.
- the configuration of the molded covering material 92b is substantially the same as that of the main body 921a of the covering material 92a of the wire harness 9a according to the first embodiment of the present invention.
- the protective layer 923b provided on the covering member 92b of the wire harness 9b according to the second embodiment of the present invention is the same as the protective layer 923a provided on the covering member 92a of the wire harness 9a according to the first embodiment of the present invention. And has the same operational effects.
- the method for manufacturing the wire harness 9b according to the second embodiment of the present invention has the same effects as the method for manufacturing the wire harness 9a according to the first embodiment of the present invention.
- the covering member 92c provided in the wire harness 9c according to the third embodiment of the present invention and the covering member 92d provided in the wire harness 9d according to the fourth embodiment of the present invention are respectively extended with the main body portions 921c and 921d. Protruding portions 922c and 922d and protective layers 923c and 923d are provided.
- the main body portions 921c and 921d and the extending portions 922c and 922d are formed of two materials 801 and 802.
- the wire harness 9c concerning 3rd embodiment of this invention has the structure by which the protective layer 923c is formed in the surface of the predetermined
- the wire harness 9d according to the fourth embodiment of the present invention has a configuration in which a protective layer 923d is formed over substantially the entire surface of the covering member 92d.
- first material 801 the materials of the main body portions 921c and 921d and the extension portions 922c and 922d of the covering members 92c and 92d
- second material 802 the other material
- the main body portions 921c and 921d have a predetermined axial shape and a predetermined cross-sectional shape and dimensions (here, "cross section” refers to a cut surface cut in a direction perpendicular to the axial direction of the electric wire 91). .same as below).
- FIG. 18 (a) is an external perspective view showing a predetermined portion of the wire harness 9c according to the third embodiment of the present invention in which the cross-sectional shape of the main body 921c of the covering member 92c is substantially circular.
- FIG. 18B is an external perspective view showing a predetermined portion of the wire harness 9d according to the fourth embodiment of the present invention, in which the cross-sectional shape of the main body 921d of the covering member 92d is substantially circular.
- the cross-sectional shapes of the main body portions 921c and 921d of the covering members 92c and 92d may be substantially circular.
- the shapes and dimensions of the main body portions 921c and 921d of the covering members 92c and 92d are not particularly limited.
- the axial shape, cross-sectional shape and dimensions of the main body portions 921c and 921d of the covering members 92c and 92d are the functions and performances that the covering members 921c and 921d should have, the wire harness 9c according to the third embodiment of the present invention, and the It is set according to the shape and size of the space in which each predetermined location of the wire harness 9d according to the fourth embodiment is routed.
- the extending portions 922c and 922d of the covering members 92c and 92d are portions protruding outward from the outer periphery of the main body portions 921c and 921d.
- the extending portions 922c and 922d have a substantially flat plate-like or substantially bowl-like structure extending along the axial direction of the main body portions 921c and 921d.
- the first material 801 and the second material 802 are joined and integrated.
- the thickness dimension of extension parts 922c and 922d (referred to as the overlapping direction of first material 801 and second material 802) is smaller than the thickness dimension of main body parts 921c and 921d.
- each of the first material 801 and the second material 802 in the extending portions 922c and 922d is the same as that of the main body portions 921c and 921d. It is preferable that the distance is smaller than the distance from the outer peripheral surface to the electric wire 91 (particularly, the distance from the electric wire 91 closest to the outer peripheral surface).
- the first material 801 and the second material 802 are made of thermoplastic and elastically deformable materials (particularly, materials that can be elastically deformed in a compressing manner). Specifically, for example, a nonwoven fabric or a foam made of a thermoplastic material can be applied.
- Nonwoven fabrics that have a configuration in which basic fibers and binder fibers are intertwined can be applied.
- the nonwoven fabric having such a configuration is referred to as a “first nonwoven fabric” for convenience of explanation.
- the basic fiber is formed of a thermoplastic resin material having a predetermined melting point.
- the binder fiber has a configuration in which a binder material layer is formed on the outer periphery of the core fiber.
- the core fiber of the binder fiber is formed of the same thermoplastic resin material as the basic fiber.
- the binder material layer of the binder fiber is formed of a thermoplastic resin material having a melting point lower than that of the basic fiber and the core fiber.
- the first nonwoven fabric When the first nonwoven fabric is heated to a temperature higher than a certain temperature, it can be plastically deformed due to the thermoplasticity of the basic fiber and the binder fiber.
- melted binder fiber permeates between the basic fiber and the core fiber of a binder fiber.
- a temperature band is referred to as a “first temperature band” for convenience of explanation.
- the first nonwoven fabric is heated to a temperature within the first temperature zone, shaped into a predetermined shape at a temperature within the first temperature zone, and then at a temperature lower than the first temperature zone.
- the basic fiber and the binder fiber are cooled to a temperature that does not cause plastic deformation due to thermoplasticity, the predetermined shape is maintained.
- the molded first nonwoven fabric is harder than before heating.
- the basic fiber and the core fiber of the binder fiber are formed from PET (polyethylene terephthalate), and the binder material layer of the binder fiber is formed from a copolymer resin of PET and PEI (polyethylene isophthalate).
- the nonwoven fabric which has can be applied.
- the melting point of the basic fiber of the first nonwoven fabric and the core fiber of the binder fiber (that is, the melting point of PET) is about 250 ° C.
- the melting point of the binder material is 110 to 150 ° C. Therefore, the first temperature zone of the first nonwoven fabric having such a configuration is 110 to 250 ° C.
- non-woven fabric made of a thermoplastic resin material and having no binder fiber is also applicable.
- a non-woven fabric is referred to as a “second non-woven fabric” for convenience of explanation.
- a foam made of a thermoplastic material can also be applied.
- a nonwoven fabric or foam made of PET can be applied.
- the hardness of the main body portions 921c and 921d of the covering members 92c and 92d increases from the center portion toward the surface layer portion.
- the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d are harder than the first material 801 and the second material 802 before being formed into the covering members 92c and 92d.
- the central portions of the main body portions 921c and 921d of the covering members 92c and 92d are softer than the surface layer portion. Specifically, the central portions of the main body portions 921c and 921d of the covering members 92c and 92d have the physical properties of the first material 801 and the second material 802 before being formed into the covering members 92c and 92d. ing. For this reason, the center part of the main-body parts 921c and 921d of the covering members 92c and 92d is in contact with a predetermined portion of the electric wire 81 in a state having elasticity.
- a protective layer 923c is formed on a predetermined part of the surface of the covering member 92c of the wire harness 9c according to the third embodiment of the present invention.
- a protective layer 923d is formed on substantially the entire surface of the covering member 92d of the wire harness 9d according to the fourth embodiment of the present invention.
- the FIGS. 17B and 18B show a configuration in which the protective layer 923d is not formed on the end surface in the axial direction and the end surface of the extending portion 922d of the covering member 92d.
- the protective layer 923d may be formed.
- the protective layers 923c and 923d have a function of protecting the covering members 92c and 92d.
- “Abrasion resistance” refers to a characteristic that a certain material is not easily worn by friction when it is rubbed in contact with another material.
- the protective layers 923c and 923d are formed of a thermoplastic material.
- a material having a higher melting point than the binder material of the binder fiber of the first nonwoven fabric is applied to the protective layers 923c and 923d.
- thermoplastic material 801 and the second material 802 When a second nonwoven fabric or foam made of a thermoplastic material is applied to the first material 801 and the second material 802, a material having a higher melting point than this thermoplastic material is applied.
- a mesh-like member or a sheet-like member made of PET polyethylene terephthalate
- the material and thickness of the protective layers 923c and 923d are appropriately set according to the degree of protection of the covering members 92c and 92d, and are not particularly limited.
- the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention can exhibit the following operational effects.
- the surface layer portions of the covering members 92c and 92d provided in the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention are harder than the center portion. For this reason, this hard part has at least one of the function of the protector which protects the predetermined location of the electric wire 91, and the function which maintains the predetermined location of the electric wire 91 in a predetermined shape.
- the covering members 92c and 92d provided on the portion of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention to protect the predetermined portion of the electric wire 91 are protected. Become a protector. Moreover, the covering members 92c and 92d provided in the portions of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention that are to be maintained in a predetermined shape are the predetermined members. Are maintained in a predetermined shape.
- the covering member 92c provided on the wire harness 9c according to the third embodiment of the present invention and the portion of the wire harness 9d according to the fourth embodiment of the present invention that is desired to be protected and maintained in a predetermined shape, 92d functions as a protector and maintains a predetermined portion of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention in a predetermined shape.
- the central portions of the covering members 92c and 92d have the physical properties of the first material 801 and the second material 802 before molding, and are softer than the surface layer portion.
- 92d is elastically contacted.
- the covering members 92c and 92d function as cushioning materials that protect predetermined portions of the electric wires.
- the impact or vibration is prevented or suppressed from being transmitted to a predetermined portion of the electric wire 91. Furthermore, it is possible to prevent a collision sound or the like from being generated between a predetermined portion of the electric wire 91 and the covering members 92c and 92d.
- the protective layers 923c and 923d are provided on part or all of the covering members 92c and 92d, the wear resistance of the covering members 92c and 92d can be improved.
- the wear resistance of the covering members 92c and 92d can be improved, and the covering members 92c and 92d can be water-repellent or waterproof. Can be given. For this reason, even if a liquid is applied to the formed covering members 92c and 92d, the covering members 92c and 92d do not absorb the liquid, so that the weight of the covering members 92c and 92d increases or the liquid is covered by the covering member 92c. , 92d can be prevented from reaching an unexpected location.
- FIG. 19 to 22 are cross-sectional views schematically showing a method for manufacturing the wire harness 9c according to the third embodiment of the present invention and predetermined steps of the wire harness 9d according to the fourth embodiment of the present invention.
- the first lower holding tool 11 a accommodates the first material 801, a predetermined portion of the electric wire 91, the second material 802, and the protective layer material 803, respectively. It is the figure which showed the state in which the tool 12a was mounted.
- FIG. 20 shows that the first lower holding tool 11a in which the first material 801, the predetermined portion of the electric wire 91, the second material 802, and the protective layer material 803 are accommodated is attached to the first lower mold 13a. It is the figure which showed the state mounted.
- FIG. 21 is a view showing a state in which the first material 801 and the second material 802 are heated and pressurized by the first lower mold 13a and the first upper mold 14a.
- the protective layer material 803 is the first lower holding tool. 11a is placed at a predetermined location.
- the “predetermined portion” is set according to the position and range where the protective layers 923c and 923d are formed on the surfaces of the covering members 92c and 92d.
- the wire harness 9c since the protective layer 923c is provided on a part of the surface of the covering member 92c, the size and shape of the protective layer material 803 are the same as the size and shape of the protective layer 923c. Set accordingly.
- the size and shape of the protective layer material 803 depends on the size and shape of the covering member 92d. Is set.
- the 1st raw material 801, the predetermined location of the electric wire 91, and the 2nd raw material 802 are accommodated in the 1st lower holder 11a.
- the first material 801 is bent so as to sandwich (or wrap) a predetermined portion of the electric wire 91 (for example, bent into a substantially “U” shape or a substantially “C” shape), and in this state
- the first lower holding tool 11a is accommodated between both side walls 113a.
- the second material 802 is placed above the predetermined portion of the electric wire 91 and the first material 801 so as to cover the predetermined portion of the electric wire 91 and the first material 801.
- the protective layer material 803 is placed on a “predetermined location” above the second material 802.
- the dimensions and shape of the protective layer material 803 and the “predetermined location” are the same as described above.
- the first upper holding tool 12 a is placed on the protective layer material 803, the first material 801, a predetermined portion of the electric wire 91, and the second material 802.
- the first lower holding tool 11 a accommodates the protective layer material 803, the first material 801, a predetermined portion of the electric wire 91, and the second material 802.
- the lower surface of the first pressure member 111a of the first lower holding tool 11a and the second pressure member is in contact with the first pressure part 131a and the second pressure part 132a of the first lower mold 13a, respectively.
- the entire outer surface or a part of the lower side of the side wall 113a of the first lower holding tool 11a approaches or contacts the support portion 133a of the first lower mold 13a.
- the first pressurizing part 131a and the second pressurizing part 132a of the first lower mold 13a and the first pressurizing part 141a and the second pressurizing part 142a of the first upper mold 14a are as follows.
- the temperature adjusting means maintains the “predetermined temperature” (more precisely, the temperature at which the first material 801 and the second material 802 can be heated to the “predetermined temperature”).
- the “predetermined temperature” is a temperature equal to or higher than the melting point of the binder material of the binder fiber when the first nonwoven fabric is applied to the first material 801 and the second material 802, and the first material 801. A temperature equal to or lower than the lower one of the melting point of the second material 802 and the melting point of the protective layer material 803 is applied.
- a second nonwoven fabric or foam made of a thermoplastic material is applied to the first material 801 and the second material 802
- the melting point of the thermoplastic material that is the material of the second nonwoven fabric or foam A nearby temperature (however, a temperature above the melting point) is applied.
- the “predetermined temperature” can be 110 to 120 ° C.
- the first lower mold 13a and the first upper mold 14a are brought close to each other.
- the first lower mold 13a and the first upper mold 14a are assembled in a not-shown press machine, and the first lower mold 13a and the second lower mold 14a approach each other by the operation of the press machine.
- the first lower mold 13a and the first upper mold 14a are brought close to each other so that the shape and dimensions of the space surrounded by the pressurizing part 122a are the shapes and dimensions of the molded covering members 92c and 92d. .
- the 1st raw material 801 and the 2nd raw material 802 are heated and pressurized by making the 1st lower mold 13a and the 2nd upper mold 14a approach. Then, this state is maintained for a predetermined time (that is, heating and pressurization are continued).
- the first pressure member 111a of the first lower holding tool 11a and the first of the first upper holding tool 12a With the portions that are sandwiched and pressed between the pressure members 121a become the main body portions 921c and 921d of the covering members 92c and 92d. Further, a portion to be pressed between the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a is covered with the covering member 92c, 92d extending portions 922c and 922d.
- the “predetermined time”, that is, the time during which the heating and pressurization of the first material 801 and the second material 802 are continued is as follows.
- the first material 801 and the second material 802 are extended after being formed into the covering members 92c and 92d.
- the portions serving as the covering members 92c, 92d extending portions 922c, 922d are longer than the time necessary to reach the temperature of the melting point of the thermoplastic material.
- 92d is the time when the center portion of the portion that becomes the main body portions 921c, 921d does not reach the temperature near the melting point of the thermoplastic material.
- the central portion of the portions of the covering members 92c and 92d that become the main body portions 921c and 921d is “predetermined temperature”. Before reaching “”, the entire portion that becomes the extending portions 922 c and 922 d can be heated to the predetermined temperature.
- the extending portions of the covering members 92c and 92d are processed by the following process. 922c and 922d are formed.
- the second pressure member 112a of the first lower holding tool 11a and the second pressure of the first upper holding tool 12a While the first material 801 and the second material 802 are being pressurized, the second pressure member 112a of the first lower holding tool 11a and the second pressure of the first upper holding tool 12a.
- the distance between the portions 122a is maintained substantially the same as the thickness dimensions of the extending portions 922c and 922d of the covering members 92c and 92d.
- the thickness dimensions of the first material 801 and the second material 802 before pressurization are larger than the thickness dimensions of the extending portions 922c and 922d of the formed covering members 92c and 92d.
- the second pressure member 112a of the first lower holding tool 11a and the second pressure member 122a of the first upper holding tool 12a The portion sandwiched between the two is pressurized and compressed and deformed. This portion is heated by the heat generated by the temperature adjusting means of the first lower mold 13a and the first upper mold 14a, and reaches a predetermined temperature. For this reason, this compressive deformation becomes plastic deformation due to thermoplasticity.
- the basic fiber of the first nonwoven fabric and the core fiber of the binder fiber are plastically deformed by thermoplasticity.
- the “predetermined temperature” is a temperature higher than the melting point of the binder material of the binder fiber, the binder material of the binder fiber melts and penetrates between the basic fiber and the core fiber of the binder fiber, and the first material. It also extends to the contact surface between 801 and the second material 802.
- the basic fibers of the first material 801 and the second material 802 and the core fibers of the binder fiber are bonded together by the binder material. Further, the first material 801 and the second material 802 are joined by the molten binder material spreading on the contact surface between the first material 801 and the second material 802.
- the “predetermined temperature” is the melting point of the thermoplastic material. Since the temperature is in the vicinity (however, the temperature is equal to or higher than the melting point), the first material 801 and the second material 802 are plastically deformed due to thermoplasticity. Since a part of each of the first material 801 and the second material 802 is melted, the first material 801 and the second material 802 are welded.
- the first material 801 and the second material 802 are made of any of the first nonwoven fabric, the second nonwoven fabric, and the foam, the first material 801 and the second material 802 are used.
- the main body portions 921c and 921d of the covering members 92c and 92d are formed by the following process.
- the material 801 and the second material 802 are sandwiched between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a.
- the portions become the main body portions 921c and 921d of the covering members 92c and 92d.
- the material 801 and the second material 802 are sandwiched between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a.
- the parts are pressurized by these.
- the first material 801 and the second material 802 are between the first pressure member 111a of the first lower holding tool 11a and the first pressure member 121a of the first upper holding tool 12a. It is plastically deformed into a shape that is substantially equal to the shape of the gap formed in, and becomes the main body portions 921c and 921d of the covering members 92c and 92d.
- the first material 801 and the first material 802 of the first lower holding tool 11a of the first material 801 and the second material 802 are used.
- the portion in contact with the pressing portion 111a and the vicinity thereof, and the portion in contact with the first pressing portion 121a of the first upper holding tool 12a and the vicinity thereof reach the “predetermined temperature”. For this reason, the binder material of the binder fiber is melted by heat and spreads so as to spread between the basic fibers and the core fibers of the binder fiber.
- the first lower holding tool 11a of the first material 801 and the second material 802 is used.
- the portion in contact with the first pressure member 111a and the vicinity thereof, and the portion in contact with the first pressure member 121a of the first upper holding tool 12a and the vicinity thereof are the central portion thereof ( Since the temperature is high compared to the portion in contact with the electric wire and the vicinity thereof, the degree of plastic deformation increases compared to the central portion. As a result, the density of the fiber or foam is higher than that of the central portion.
- first lower holding tool 11a is in contact with the first pressurizing part 111a and a part in the vicinity thereof, and the first upper holding tool 12a is in contact with the first pressurizing part 121a. Since the part and the part in the vicinity thereof reach the “predetermined temperature”, a part of the second nonwoven fabric or foam is melted. When the second nonwoven fabric or foam is melted, bubbles are removed and the density is increased.
- the first raw material 801 and the second raw material 802 are heated by the first lower holding tool 11a, the first upper holding tool 12a, the first lower mold 13a, and the first upper mold 14a.
- the first material 801 and the second material 801 are joined and integrated in the portions to be the extension portions 922c and 922d of the covering members 92c and 92d.
- the density of the surface layer portion of the covering members 92c and 92d that become the main body portions 921c and 921d is higher than that of the central portion.
- the heat generated by the first lower mold 13a is transmitted to the first material 801 and the second material 802 through the first lower holding tool 11a.
- the heat generated by the first upper mold 14a is transmitted to the first material 801 and the second material 802 through the first upper holding tool 12a. Since the first lower holding tool 11a and the first upper holding tool 12a are formed of a material having high thermal conductivity and are configured to easily transfer heat in the vertical direction, the first lower mold 13a and the first upper holding tool 12a The heat generated by the upper mold 14a is easily transmitted to the first material 801 and the second material 802. For this reason, it is not necessary to lengthen the “predetermined time”.
- the protective layer material 803 becomes the first material 801 and the second material. It sticks to each surface of 802 and becomes protective layers 923c and 923d.
- the protective layer material 803 is provided in advance on the first material and the second material, the protective layer material 803 is formed into a predetermined shape to form the protective layers 923c and 923d. The specific process is as follows.
- the surfaces thereof reach a “predetermined temperature”. For this reason, when a 1st nonwoven fabric is applied to the 1st raw material 801 and the 2nd raw material 802, the binder material of the surface layer part of the 1st raw material 801 and the 2nd raw material 802 fuse
- the second nonwoven fabric or foam is applied to the first material 801 and the second material 802, at least a part of the surface layer portion of the first material 801 and the second material 802 is melted. . Then, the melted first material 801 and second material 802 become an adhesive, and the protective layer material 803 adheres to the surfaces of the first material 801 and the second material 802. As a result, the protective layers 923c and 923d are formed on the surfaces of the covering members 92c and 92d.
- the protective layer material 803 is made of a thermoplastic material
- the protective layer material 803 is plastically deformed due to thermoplasticity, and the first pressurizing portion 111a and the second pressurizing portion 111a of the first lower holding tool 11a.
- the shape and size follow the shape and size of the first pressure member 121a of one upper holding tool 12a. That is, in this process, the first material 801 and the second material 802 are heated by the heat of the temperature adjusting means of the first lower mold 13a and the first upper mold 14a, and can be plastically deformed by thermoplasticity. Is in a state.
- the force of the first material 801 and the second material 802 returning to the original shape and dimensions causes the material 803 of the protective layer.
- a force is applied to the upper surface of the first lower holding tool 11a and the lower surface of the first upper holding tool 12a.
- the material 803 of the protective layer is plastically deformed to have substantially the same size and shape as the size and shape of the upper surface of the first lower holding tool 11a and the lower surface of the first upper holding tool 12a.
- prescribed part of the molded covering members 92c and 92d and the electric wire 91) of the wire harness 9c concerning 3rd embodiment of this invention and the wire harness 9d concerning 4th embodiment of this invention Is removed from the first lower mold 11a while being sandwiched between the first lower holding tool 11a and the first upper holding tool 12a.
- each predetermined location of the wire harness 9c concerning 3rd embodiment of this invention and the wire harness 9d concerning 4th embodiment of this invention is the state mounted in the 1st lower side holder 11a. To be cooled.
- the formed covering members 92c and 92d are thermoplastic in the basic fibers of the first nonwoven fabric and the core fibers of the binder fibers. After reaching a temperature that does not cause plastic deformation due to the above (at least a temperature lower than the first temperature range), it is detached from the first lower holding tool 11a and the first upper holding tool 12a.
- the second nonwoven fabric or foam is applied to the first material 801 and the second material 802, after the thermoplastic material reaches a temperature that does not cause plastic deformation due to thermoplasticity, The lower holding tool 11a and the first upper holding tool 12a are removed.
- the cooling method is not particularly limited. For example, in addition to a method of storing in a refrigerator or a method of spraying a normal temperature or low temperature gas, a method of leaving in a normal temperature may be used.
- the covering members 92c and 92d are provided at predetermined positions of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention.
- the process of cutting out the electric wire 91, and the electric wire 91 are predetermined aspects. (Step for forming a trunk line or branch line), a process for attaching connectors to the end of the electric wire 91, and the like. Various conventionally known methods can be applied to these steps. Therefore, description of these steps is omitted.
- the first lower holding tool 11a and the first upper holding tool 12a are connected to the wire harness 9c according to the third embodiment of the present invention and the present invention.
- Each predetermined location of the wire harness 9d according to the fourth embodiment is not heated. As described above, it is possible to prevent the predetermined portions of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention from being heated more than necessary. Therefore, it becomes easy to control the properties of the covering members 92c and 92d.
- the molded covering members 92c and 92d are at temperatures that do not cause plastic deformation due to thermoplasticity (at least the first temperature). When the temperature is lower than the zone, the shapes and dimensions of the molded covering members 92c and 92d are determined. Further, the binder material melted and spread between the basic fibers and the core fibers of the binder fibers is solidified, and the binder material bonds the core fibers of the basic fibers and the binder fibers to each other. For this reason, the part which the binder material melt
- the binder material is melted and permeated over almost the entire portion of the upper holding tool 12a between the second pressurizing portion 122a and the second pressurizing portion 122a, and is then solidified. Furthermore, the extending portions 922c and 922d are compressed and deformed, and the density of the core fibers of the basic fibers and the binder fibers is high.
- the extending portions 922c and 922d of the covering members 92c and 92d are bonded to each other by the binder material in a state in which the density of the core fiber of the basic fiber and the binder fiber is increased, and thus compared to the other portions. High hardness. Further, the first material 801 and the second material 802 are joined and integrated in the extending portions 922c and 922d by solidification of the binder material.
- the center portions of the main body portions 921c, 921d of the molded covering members 92c, 92d are in the first temperature band during pressurization. Not reached. For this reason, the degree of plastic deformation due to thermoplasticity is small or plastic deformation due to thermoplasticity does not occur as compared with the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d. And since it has not reached the first temperature zone, the binder material of the binder fiber is not melted. Accordingly, the central portions of the main body portions 921c and 921d of the covering members 92c and 92d have substantially the same physical properties as the first non-woven fabric before molding (however, the fiber density increases due to pressurization). May be).
- the extending portions 922c and 922d of the covering members 92c and 92d are the first material 801 and the second material 802, respectively.
- the material 802 is compressed to increase the density.
- the extension portions 922c and 922d have higher hardness than the other portions.
- the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d have a higher temperature at the time of pressurization than the central portion, the degree of plastic deformation is larger than that of the central portion.
- the central portions of the main body portions 921c and 921d of the covering members 92c and 92d maintain the state before heating and pressurization. For this reason, the density of the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d is higher than that of the central portion.
- the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d are harder than the center portion and harder than before pressing.
- the main body portions 921c and 921d of the formed covering members 92c and 92d can be applied to the first material 801 and the second material 802, regardless of whether the first nonwoven fabric, the nonwoven fabric, or the foam is applied.
- the surface layer portion is harder than the central portions of the main body portions 921c and 921d, and is harder than the first material 801 and the second material 802 before molding.
- the central portions of the main body portions 921c and 921d of the covering members 92c and 92d have substantially the same physical properties as those before pressurization.
- the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d can be hardened. And this surface layer part can protect the predetermined
- prescribed location ( predetermined location of the electric wire 91) of the wire harness 9c concerning 3rd embodiment of this invention. Moreover, since the hardness is hard and hardly deformed, the predetermined portion of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention can be maintained in a predetermined shape. .
- the covering members 92c and 92d provided in the portions to be protected in the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention function as a protector.
- the covering members 92c and 92d provided at the locations where the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention are to be maintained in a predetermined shape are the Maintain a predetermined shape.
- a coating provided on a portion that is to be protected and that is to be maintained in a predetermined shape are the members 92c and 92d function as protectors and maintain the predetermined portion in a predetermined shape.
- the method for manufacturing the wire harness 9c according to the third embodiment of the present invention and the method for manufacturing the wire harness 9d according to the fourth embodiment of the present invention can provide the following operational effects.
- the manufacturing method of the wire harness 9c according to the third embodiment of the present invention and the manufacturing method of the wire harness 9d according to the fourth embodiment of the present invention are compared with the configuration using the protector of the injection molded product. An inexpensive material (thermoplastic material) can be applied to the member. For this reason, a wire harness can be manufactured cheaply and the price reduction of a product can be achieved.
- the process of molding the covering members 92c and 92d in the method for manufacturing the wire harness 9c according to the third embodiment of the present invention and the method for manufacturing the wire harness 9d according to the fourth embodiment of the present invention is performed by a protector for an injection molded product. Compared with the method of fitting an electric wire into the cover member, the operation is simple.
- the protective layers 923c and 923d can be simultaneously formed. For this reason, increase in the work man-hour in the manufacturing method of the wire harness 9c concerning 3rd embodiment of this invention and the wire harness 9d concerning 4th embodiment of this invention can be prevented. Therefore, the price increase of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention can be prevented or suppressed. In other words, it is possible to improve the wear resistance of the covering members 92c and 92d without increasing the number of steps.
- the wear resistance of the covering members 92c and 92d is improved.
- the improvement can be achieved, and the covering members 92c and 92d can be made water repellent or waterproof. For this reason, even if a liquid is applied to the formed covering members 92c and 92d, the covering members 92c and 92d do not absorb the liquid, so that the weight of the covering members 92c and 92d increases or the liquid is covered by the covering member 92c. , 92d can be prevented from reaching an unexpected location.
- the configuration in which the first material 801 and the second material 802 and the protective layer material 803 are separate members is shown, but such a configuration is not necessary.
- a configuration in which protective layers 923c and 923d are formed in advance on one surface of the first material 801 and the second material 802 (in other words, the first material in which the protective layers 923c and 923d are formed on one surface).
- the protective layer material 803 may be temporarily fixed (adhered or the like) to one surface of the first material 801 and the second material 802 in advance. Even if it is such a structure, there can exist an effect similar to the above-mentioned. Further, in such a configuration, it is not necessary to separately store the protective layer material 803, the first material 801, and the second material 802 in the first lower holding tool. Can be further reduced.
- the structure in which the protective layer 923c was provided in both the 1st raw material 801 and the 2nd raw material 802 was shown, Only the structure provided may be sufficient. In short, any structure may be used as long as the protective layer 923c is provided in a portion of the covering member 92c where it is desired to improve wear resistance.
- the manufacturing method of the wire harness 9c according to the third embodiment of the present invention and the manufacturing method of the wire harness 9d according to the fourth embodiment of the present invention are as follows by using the first lower holding tool 11a. Such effects can be achieved.
- the first lower holding tool 11a includes the first.
- the first material 801 and the second material 802 can be heated only when the first lower mold 13a and the first upper mold 14a are pressurized.
- the first material 801 and the second material 802 are not heated before pressurization, the first material 801 and / or the second material 802 are expected before pressurization. There is no risk of deformation. Therefore, the first material 801 and the second material 802 can be accurately formed into the shape of the covering members 92c and 92d.
- the first lower holding tool 11a in which the first material 801, a predetermined portion of the electric wire 91, the second material 802, and the protective layer material 803 are accommodated is placed on the first lower mold 13a. Then, the first material 801 and the second material 802 can be heated and pressurized immediately. That is, before pressurization, the first material 801 and the second material 802 are not heated for a long time. Therefore, before heat is transmitted to the central portions of the first material 801 and the second material 802, molding can be performed by applying pressure. For this reason, the inside of the first material 801 and the second material 802 (particularly the portion in contact with the predetermined portion of the electric wire 91 and the vicinity thereof) is pressed and molded before reaching the “predetermined temperature”. be able to. Accordingly, since the inside of the first material 801 and the second material 802 is not cured, the first material 801 and the second material 802 do not lose their functions as a soundproofing material and a cushioning material.
- the operation of housing the protective layer material 803, the first material 801, the predetermined portion of the electric wire 91, and the second material 802 in the first lower holding tool 11a includes the first lower mold 13a and the first material 802. It can be performed at a location away from one upper mold 14a. For this reason, since work can be performed in a place with a large work space, the work can be easily performed. That is, since the first lower mold 13a and the first upper mold 14a are generally assembled in a press machine, the first material 801 and the like are directly accommodated in the first lower mold 13a. Needs to be performed in a limited space between the first lower mold 13a and the first upper mold 14a. For this reason, the first upper mold 14a may be an obstacle to work.
- the work can be performed in a place where there is no obstacle to the work.
- the operation of accommodating the first material 801, the predetermined portion of the electric wire 91, the second material 801, and the protective layer material 803 in the first lower holding tool 11a is performed by the first lower mold 13a or the first material. Since it can be performed in a place where the one upper mold 14a is not touched, there is no risk of the operator being burned.
- the first lower mold 13a and the first upper mold 14a are not only at the time of pressurization but also at other times (for example, in standby).
- the mold 13a and the first upper mold 14a can be maintained at a “predetermined temperature”. For this reason, immediately after the operation of accommodating the protective layer material 803, the first material 801, the predetermined portion of the electric wire 91 and the second material 802 in the first lower holding tool 11a is completed, heating and heating are performed. Pressure can be performed.
- the time required for manufacturing the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention can be shortened. Further, since the first lower mold 13a and the first upper mold 14a can always be maintained at a predetermined temperature, the temperature of the first material 801 and the second material 802 can be controlled during pressurization. It becomes easy.
- the first lower mold 13a and the first upper mold 14a can always be maintained at a predetermined temperature.
- the second material 802 can be quickly heated to a predetermined temperature. For this reason, before the predetermined part of the electric wire 91 and the part of the vicinity of the predetermined part of the electric wire 91 of the first material 801 and the second material 802 are heated and become high temperature, the extending portion 922c, In 922d, the first material 801 and the second material 802 can be joined, and the protective layer material 803 can be attached to the surfaces of the first material 801 and the second material 802.
- the first nonwoven fabric when the first nonwoven fabric is applied as the first material 801 and the second material 802, only the surface layer portions of the main body portions 921c and 921d of the covering members 92c and 92d are provided. It can be plastically deformed by heating to a predetermined temperature, and the binder material of only the surface layer portion can be melted. Therefore, in the main body portions 921c and 921d of the covering members 92c and 92d, only the surface layer portion can plastically deform the first material 801 and the second material 802, and the binder material can be made of basic fibers or binder fibers. Can penetrate between the core fibers.
- the surface layers of the main body portions 921c and 921d of the covering members 92c and 92d are used. Only the portion can be heated to a predetermined temperature to be plastically deformed, and the thermoplastic material can be melted only in a part of the surface layer portion. Therefore, in the main body portions 921c and 921d of the covering members 92c and 92d, only the surface layer portion can plastically deform the first material 801 and the second material 802, and eliminate or reduce bubbles and cavities. be able to.
- the hardened portion can maintain the shape of each predetermined portion of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention in a predetermined shape, and can be protected. can do. Further, the uncured portions of the central portions of the main body portions 921c and 921d of the covering members 92c and 92d function as soundproofing materials and cushioning materials for predetermined portions of the electric wires 91.
- the wire harness 9c according to the third embodiment of the present invention is applied when the covering members 92c and 92d are pressurized and then removed from the first lower mold 13a. And it is necessary to directly grasp the wire harness 9d according to the fourth embodiment of the present invention.
- At least the surface layer portions of the respective covering members 92c and 92d of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention are the first lower mold 13a and the first upper mold.
- the gripped portion and the vicinity thereof of the molded covering members 92c and 92d are deformed.
- the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention may be bent and deformed by its own weight or the like.
- deformation will occur if foreign matter or the like comes into contact after the first lower mold 13a is removed and before the covering members 92c and 92d are lowered to a temperature at which plastic deformation due to thermoplasticity does not occur. .
- the material 801 and the second material 802 are all the covering members. For this reason, after the covering members 92c and 92d are formed, an operation of removing unnecessary portions (so-called trimming) is unnecessary. Therefore, it is possible to reduce the work man-hour (or to prevent the work man-hour from increasing). Furthermore, waste of the first material 801 and the second material 802 can be eliminated.
- the first lower mold 13a and the first upper mold are formed.
- the pressure applied to the molded covering members 92c and 92d disappears.
- the molded covering members 92c and 92d may return to the shape and dimensions before molding (for example, a phenomenon corresponding to a spring back in plastic processing of metal or the like may occur).
- the molded covering members 92c, 92d are the first lower mold. After being taken out from 13a and the first upper mold 14a, a compressive force is continuously applied by the weight of the first upper holding tool 12a until the temperature at which plastic deformation due to thermoplasticity does not occur. For this reason, it can prevent that the shape
- the dimensions and shapes of the covering members 92c and 92d are determined to be the molded shapes and are not deformed.
- the accuracy of each shape and dimension of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention can be improved.
- the original shape may be restored. Due to this force, a separating force may be applied to the extending portions 922c and 922d of the covering members 92c and 92d. If it does so, there exists a possibility that the intensity
- the molded covering members 92c and 92d have a first temperature until the temperature drops to a temperature at which the thermoplastic resin is not plastically deformed (at least when the first nonwoven fabric is applied, a temperature lower than the first temperature range).
- the weight of one upper holding tool 12a can be continuously applied. Thereby, it is possible to improve the bonding strength at the extending portions 922c and 922d of the covering members 92c and 92d (or to prevent a decrease in the bonding strength). Alternatively, separation of the first material 801 and the second material 802 can be prevented or suppressed.
- the deformation of the molded covering members 92c and 92d can be more reliably prevented.
- the first lower mold 13a and the first upper mold 14a are separated after pressurizing the first material 801 and the second material 802.
- the second material 802 can be prevented from sticking to the first upper mold 14a.
- the binder fiber is used while the first material 801 and the second material 802 are heated and pressurized.
- the binder material is melted.
- a second nonwoven fabric or foam made of a thermoplastic material is applied to the first material 801 and the second material 802
- the first material 801 and the second material 802 are heated. And while being pressurized, at least some of their surfaces are molten.
- the first lower mold 13a and the first When the upper mold 14a is separated, in particular, the second material 802 adheres to the first upper mold 14a, the first material 801 adheres to the first lower holding tool 11a, and the first material
- a force to be peeled off is applied to the 801 and the second material 802.
- the first material 801 and the second material 802 may be separated, and the bonding strength may be reduced.
- the covering members 92c and 92d are in a state where they are covered with the first upper holding tool 12a until they are cooled and cooled to a temperature at which plastic deformation due to thermoplasticity does not occur after being pressed and molded. is there. For this reason, it is possible to prevent foreign matters from coming into contact with the molded covering members 92c and 92d during cooling. Therefore, unwanted deformation of the molded covering members 92c and 92d is prevented.
- the wire harness 9e according to the fifth embodiment of the present invention and the wire harness 9f according to the sixth embodiment of the present invention are the wire harness according to the third embodiment of the present invention, except for the configuration of the covering members 92e, 92f. 9c and the wire harness 9d according to the fourth embodiment of the present invention have the same configuration. Description of the configuration common to the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention may be omitted.
- the covering member 92e of the wire harness 9e according to the fifth embodiment of the present invention has the same configuration as the main body 921c of the covering member 92c of the wire harness 9c according to the third embodiment of the present invention.
- the covering member 92f of the wire harness 9f according to the sixth embodiment of the present invention has the same configuration as the main body portion 921d of the covering member 92d of the wire harness 9d according to the fourth embodiment of the present invention.
- the covering members 92e and 92f of the wire harness 9e according to the fifth embodiment of the present invention and the wire harness 9f according to the sixth embodiment of the present invention are the wire harness 9c according to the third embodiment of the present invention and Unlike the respective covering members 92c and 92d of the wire harness 9d according to the fourth embodiment of the present invention, there is no extending portion.
- coated member shows the structure which is a substantially hexagon
- coated member is not limited.
- a substantially circular shape see FIGS. 18A and 18B
- the respective covering members 92e and 92f of the wire harness 9e according to the fifth embodiment of the present invention and the wire harness 9f according to the sixth embodiment of the present invention are formed of a single material.
- FIGS. 23A and 23B broken lines in the cross-sections of the covering members 92e and 92f schematically show the bonding surfaces of the materials.
- this material is referred to as “third material 804”.
- the same material as the first material 801 and the second material 802 can be applied to the third material 804. That is, as the third material 804, either the first nonwoven fabric, the second nonwoven fabric made of a thermoplastic material, or a foam can be applied.
- a protective layer 923e is formed at a predetermined location on the surface of the covering member 92e of the wire harness 9e according to the fifth embodiment of the present invention.
- a protective layer 923f is formed over substantially the entire surface of the covering member 92f of the wire harness 9f according to the sixth embodiment of the present invention.
- the protective layer 923e of the covering member 92e of the wire harness 9e according to the fifth embodiment of the present invention has the same configuration as the protective layer 923c of the covering member 92c of the wire harness 9c according to the third embodiment of the present invention.
- the protective layer 923d of the covering member 92f of the wire harness 9f according to the sixth embodiment of the present invention has the same configuration as the protective layer 923d of the covering member 92f of the wire harness 9f according to the sixth embodiment of the present invention.
- the wire harness 9e according to the fifth embodiment of the present invention has the same effects as the wire harness 9c according to the third embodiment of the present invention.
- the wire harness 9f according to the sixth embodiment of the present invention has the same effects as the wire harness 9f according to the fourth embodiment of the present invention.
- FIG. 24 to 28 are cross-sectional views schematically showing predetermined steps of the method for manufacturing the wire harness 9e according to the fifth embodiment of the present invention and the wire harness 9f according to the sixth embodiment of the present invention. It is. Specifically, in FIG. 24, the second lower holding tool 11b accommodates the third material 804, a predetermined portion of the electric wire 91, and the protective layer material 803, and the second upper holding tool 12b It is the figure which showed the state mounted. 25, the second lower holding tool 11b accommodates the third material 804 provided with the protective layer material 803 and a predetermined portion of the electric wire 91, and the second upper holding tool 12b is mounted. It is the figure which showed the state put. FIG.
- FIG. 26 shows a state in which the second lower holding tool 11b in which the third material 804, a predetermined portion of the electric wire 91 and the protective layer material 803 are accommodated is placed on the second lower mold 13b.
- FIG. FIG. 27 is a view showing a state in which the third material 804 is pressurized while being heated by the second lower mold 13b and the second upper mold 14b.
- FIG. 28 shows the second lower mold 13b and the second lower mold 13b in a state where the predetermined part of the manufactured wire harness 9e according to the fifth embodiment of the present invention is placed on the second lower holding tool 11b. It is the figure which showed the state removed from the upper mold
- the third material 804 used in the method for manufacturing the wire harness 9e according to the fifth embodiment of the present invention and the method for manufacturing the wire harness 9f according to the sixth embodiment of the present invention is a separate member from the material 803 of the protective layer.
- a certain structure may be sufficient and the thing of the structure by which the raw material 803 of the protective layer was previously provided in one surface may be sufficient.
- the protective layer material 803 is placed at a predetermined position of the first lower holding tool 11b. Placed.
- the “predetermined location” and the size and shape of the protective layer material 803 are the same as the method for manufacturing the wire harness 9c according to the third embodiment of the present invention and the method for manufacturing the wire harness 9d according to the fourth embodiment of the present invention. The same.
- the third material 804 is bent so as to sandwich (or wrap) the predetermined portion of the electric wire 91 (for example, bent into a substantially “U” shape or a substantially “C” shape), and in this state
- the second lower holding tool 11b is accommodated between both side walls 113b.
- the protective layer material 803 is placed on a “predetermined location” above the third material 804, and the second upper holding tool 12 b is placed on the upper side.
- the predetermined portion of the third material 804 is wrapped by the protective layer material 803 already accommodated.
- the dimensions and shape of the material 803 of the protective layer, “predetermined location”, are the same as those in the method for manufacturing the wire harness 9c according to the third embodiment of the present invention.
- substantially the entire third material 804 is wrapped by the protective layer material 803 already accommodated.
- the material 804 is bent so as to sandwich (or wrap) a predetermined portion of the electric wire 91, and in this state, is accommodated between both side wall portions 113b of the second lower holding tool 11b. And the 2nd upper side holder is mounted on the upper side.
- the manner in which the third material 803 is accommodated is the same as the case where the third material 804 and the protective layer material 803 are separate members.
- the predetermined portion of the electric wire 91 is wrapped in the nonwoven fabric or foam constituting the third material 804. It is.
- the width dimension of the third material 804 before being formed on the covering members 92e and 92f is a dimension that can wrap a predetermined portion of the electric wire 91 without a gap. In a state where the predetermined portion of the electric wire 91 is sandwiched (or wrapped) by being bent (or rolled), the predetermined portion of the electric wire 91 does not protrude (or is not exposed) from the third material 804. It is set to a dimension that can be
- the third material 804 is elastically deformed in a compressing manner while being housed inside the both side walls 113b of the second lower holding tool 11b. And the 3rd raw material 804 is maintained in the state which pinched
- the lower surface of the pressurizing part 114b of the second lower holding tool 11b contacts the pressurizing part 134b of the second lower mold 13b.
- the entire outer surface or a part of the lower side of the side wall 113b of the second lower holding tool 11b contacts and / or approaches the support portion 133b of the second lower mold 13b.
- the pressurizing part 134b of the second lower mold 13b and the pressurizing part 143b of the second upper mold 14b are maintained at a “predetermined temperature” by the temperature adjusting means.
- the second lower mold 13b and the second upper mold 14b are brought close to each other.
- a press machine (not shown) is used to drive the second lower mold 13b and the second upper mold 14b.
- the distance between the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b is set to a predetermined distance. That is, the second lower mold 13b and the second upper mold 14b are brought close to each other and surrounded by the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b.
- the shape and dimensions of the space to be formed are the shapes and dimensions of the molded covering members 92e and 92f.
- the third material 804 is pressurized and heated. Then, this state is maintained for a “predetermined time” (that is, heating and pressurization are continued).
- the surface layer portion of the raw material 804 reaches the melting point of the thermoplastic material, but the central portion of the third raw material 804 is the time not reaching the melting point.
- the covering members 923e and 923f are formed by the following process.
- the third material 804 is pressurized by the pressurizing part 114b of the second lower holding tool 11b and the pressurizing part 123b of the second upper holding tool 12b, and the second lower holding tool 11b is pressurized. It is compressed and deformed into a shape substantially equal to the shape of the gap formed between the portion 114b and the pressing portion 123b of the second upper holding tool 12b. As a result, the third material 804 has the dimensions and shapes of the covering members 923e and 923f.
- the third material 804 When the third material 804 is heated and pressurized, the same process as the method 9e of manufacturing the wire harness according to the fifth embodiment of the present invention and the method of manufacturing the wire harness 9f according to the sixth embodiment of the present invention.
- the density of the surface layer portion of the third material 804 is higher than that of the central portion.
- the protective layer material 803 adheres to the surface of the third material 804 in this process. Further, the protective layer material 804 is formed into a predetermined shape to form the protective layers 923e and 923f.
- the process of attaching the protective layer material 803 to the third material 804 and the process of forming the protective layer material 803 into a predetermined shape are also the manufacturing method of the wire harness 9c according to the third embodiment of the present invention and the present invention. This is the same as the manufacturing method of the wire harness 9d according to the fourth embodiment. Thereby, the protective layers 923e and 923f are provided on the surfaces of the covering members 92e and 92f.
- the third material 804 is a substantially flat member and is bent into a substantially “U” shape or a substantially “C” shape, Both ends of the material 804 in the width direction are welded.
- the third material 804 is a rod-shaped member having a slit, the inner surfaces of the slit are welded to each other. For this reason, the third material 804 has a cylindrical configuration in which a predetermined portion of the electric wire 91 is wrapped inside.
- the third material 804 comes into contact with the second lower holding tool 11 b or the second upper holding tool 12 b.
- the binder material of the basic fiber and the binder fiber of the first nonwoven fabric is melted in the portion and the vicinity thereof (that is, the surface layer portion).
- the melted binder material permeates between the basic fibers and the core fibers of the binder fibers and spreads between the contacting surfaces of both ends in the width direction or between the inner surfaces of the slits. For this reason, in the surface layer part of the 3rd raw material 804, the surface which the both ends of the width direction are contacting, or the inner surface of a slit joins by the fuse
- the third material 804 is made of any one of the first nonwoven fabric, the second nonwoven fabric, and the foam, the both ends in the width direction of the third material 804 or the inner surface of the slit. Join each other. For this reason, the 3rd raw material 804 comes to have the cylindrical structure (structure which does not have the opening part etc. which reach the predetermined location of the electric wire 91 from an outer peripheral surface) which wrapped the predetermined location of the electric wire 91.
- the second lower mold 13b and the second upper mold 14b are separated. And each predetermined part (namely, predetermined
- the configurations of the molded covering materials 92e and 92f are the main body portions 921c and 921c of the respective covering materials 92c and 92d of the wire harness 9c according to the third embodiment of the present invention and the wire harness 9d according to the fourth embodiment of the present invention. It is almost the same as 921d.
- the protective layer 923e provided in the covering member 92e of the wire harness 9e concerning 5th embodiment of this invention is the same as the protective layer 923c provided in the covering member 92c of the wire harness 9c concerning 3rd embodiment of this invention. And has the same operational effects.
- the protective layer 923f provided on the covering member 92f of the wire harness 9f according to the sixth embodiment of the present invention has the same configuration as the protective layer 923d provided on the covering member 92d of the wire harness 9d according to the fourth embodiment of the present invention. Have the same effects.
- the method for manufacturing the wire harness 9e according to the fifth embodiment of the present invention has the same effects as the method for manufacturing the wire harness 9c according to the third embodiment of the present invention.
- the method for manufacturing the wire harness 9f according to the sixth embodiment of the present invention has the same effects as the method for manufacturing the wire harness 9d according to the fourth embodiment of the present invention.
- the wire harness according to each embodiment of the present invention has a configuration in which a covering member having a substantially circular or substantially hexagonal cross section is provided, but the cross-sectional shape and dimensions of the covering member are not limited.
- the cross-sectional shape of a wire harness is set according to the specification etc. of a wire harness.
- the cross-sectional shape of the body portion of the covering member or the entire cross-sectional shape of the covering member may be a substantially quadrangular shape. Further, the shape may be asymmetrical in the vertical and horizontal directions.
- the cross-sectional shape is a substantially quadrangular shape
- the lower holder has a configuration in which a groove-shaped recess having a substantially quadrangular cross-section is formed on the upper side, and pressure parts are formed on both sides of the groove-shaped recess. Applied. And on the lower side of the upper mold (under the upper holding tool if an upper holding tool is used), a groove-shaped recess having a quadrilateral cross section is formed, and pressure is applied to both sides of the groove-shaped recess.
- the first material, the second material, or the third material is directly pressurized and heated by the first upper mold or the second upper mold.
- the size and shape of the lower surface of the first upper mold are set to be the same as the size and shape of the lower surface of the first upper holding tool.
- the size and shape of the lower surface of the second upper mold are set to be the same as the size and shape of the lower surface of the second upper holding tool.
Abstract
Description
また、本発明が解決しようとする別の課題は、電線の所定の箇所に設けられる(=電線の所定の箇所を被覆する)被覆部材の耐摩耗性を高めたワイヤーハーネスを提供すること、または、不織布などからなる被覆部材の耐摩耗性を高めたワイヤーハーネスを提供すること、電線の所定の箇所に設けられる(=電線の所定の箇所を被覆する)被覆部材の耐摩耗性を高めたワイヤーハーネスの製造方法を提供すること、または、不織布などからなる耐摩耗性を高めたワイヤーハーネスの製造方法を提供すること、または、被覆部材の製造コストや製造工数の増加を防止もしくは抑制しつつ被覆部材の耐摩耗性を高めることができるワイヤーハーネスの製造方法を提供することである。
Claims (17)
- 電線の所定の箇所に熱可塑性の材料からなる被覆部材が設けられたワイヤーハーネスであって、前記被覆部材の表面には、液体を透過しない保護層が設けられることを特徴とするワイヤーハーネス。
- 前記保護層は、前記被覆部材よりも耐摩耗性が高い熱可塑性の材料からなることを特徴とする請求項1に記載のワイヤーハーネス。
- 前記被覆部材は、中心部に比較して表層部が硬いことを特徴とする請求項1または請求項2に記載のワイヤーハーネス。
- 前記被覆部材は、熱可塑性の材料からなる不織布または発泡体からなることを特徴とする請求項1から請求項3のいずれか1項に記載のワイヤーハーネス。
- 前記不織布は、基本繊維と、芯繊維および前記芯繊維の表面に設けられるバインダ材の層を有するバインダ繊維と、を有することを特徴とする請求項4に記載のワイヤーハーネス。
- 前記保護層は、前記バインダ材により前記被覆部材の表面に接合していることを特徴とする請求項5に記載のワイヤーハーネス。
- 前記保護層は、前記被覆部材の表面に溶着していることを特徴とする請求項1から請求項4のいずれか1項に記載のワイヤーハーネス。
- 電線の所定の箇所に熱可塑性の材料からなる被覆部材が設けられたワイヤーハーネスであって、前記被覆部材の表面の一部または全部には、前記被覆部材よりも耐摩耗性が高い熱可塑性材料からなる保護層が設けられることを特徴とするワイヤーハーネス。
- 前記被覆部材は、中心部に比較して表層部が硬いことを特徴とする請求項8に記載のワイヤーハーネス。
- 前記被覆部材は、熱可塑性の材料からなる不織布または発泡体からなることを特徴とする請求項8または請求項9に記載のワイヤーハーネス。
- 前記不織布は、基本繊維と、芯繊維および前記芯繊維の表面に設けられるバインダ材の層を有するバインダ繊維と、を有することを特徴とする請求項10に記載のワイヤーハーネス。
- 前記保護層は、前記バインダ材により前記被覆部材の表面に接合していることを特徴とする請求項11に記載のワイヤーハーネス。
- 前記保護層は、前記被覆部材の表面に溶着していることを特徴とする請求項8から請求項10のいずれか1項に記載のワイヤーハーネス。
- 表面に液体を透過しない保護層が設けられるとともに熱可塑性の材料により成形される被覆部材が電線の所定の箇所に設けられるワイヤーハーネスの製造方法であって、
前記電線の所定の箇所を前記熱可塑性の材料により挟むかまたは包むとともに、前記熱可塑性の材料の表面に前記保護層の材料を配設し、
前記熱可塑性の材料および前記保護層の材料を加熱しながら加圧することによって前記熱可塑性の材料を所定の形状および寸法に成形するとともに、前記熱可塑性の材料の表層部の少なくとも一部を溶融することによって前記保護層の材料を前記熱可塑性の材料の表面に接合する工程を含むことを特徴とするワイヤーハーネスの製造方法。 - 前記電線の所定の箇所と前記熱可塑性の材料と前記保護層の材料とを保持具に収容し、
温度調節手段を備える一組の成形型により前記熱可塑性の材料を前記保持具を介して加熱および加圧し、
その後前記熱可塑性の材料で覆われた前記電線の所定の箇所を前記保持具に収容された状態で前記一組の成形型から取り外して冷却することを特徴とする請求項14に記載のワイヤーハーネスの製造方法。 - 表面の一部または全部に保護層が設けられるとともに熱可塑性の材料により成形される被覆部材が電線の所定の箇所に設けられるワイヤーハーネスの製造方法であって、
前記電線の所定の箇所を前記熱可塑性の材料により挟むかまたは包むとともに、前記熱可塑性の材料の表面の一部または全部に前記保護層の材料を配設し、
前記熱可塑性の材料および前記保護層の材料を加熱しながら加圧することによって前記熱可塑性の材料を所定の形状および寸法に成形するとともに、前記熱可塑性の材料の表層部の少なくとも一部を溶融することによって前記保護層の材料を前記熱可塑性の材料の表面に接合する工程を含むことを特徴とするワイヤーハーネスの製造方法。 - 前記電線の所定の箇所と前記熱可塑性の材料と前記保護層の材料とを保持具に収容し、
温度調節手段を備える一組の成形型により前記熱可塑性の材料を前記保持具を介して加熱および加圧し、
その後前記熱可塑性の材料で覆われた前記電線の所定の箇所を前記保持具に収容された状態で前記一組の成形型から取り外して冷却することを特徴とする請求項16に記載のワイヤーハーネスの製造方法。
Priority Applications (5)
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CA2787533A CA2787533A1 (en) | 2010-04-28 | 2011-04-26 | Wire harness, wire harness manufacturing method |
US13/522,728 US20130020125A1 (en) | 2010-04-28 | 2011-04-26 | Wire harness, wire harness manufacturing method |
EP11774983.8A EP2518735A4 (en) | 2010-04-28 | 2011-04-26 | CABLE TREE AND MANUFACTURING METHOD FOR A CABLE TREE |
JP2012512846A JP5108167B2 (ja) | 2010-04-28 | 2011-04-26 | ワイヤーハーネス、ワイヤーハーネスの製造方法 |
CN2011800214664A CN102870168A (zh) | 2010-04-28 | 2011-04-26 | 线束及线束的制造方法 |
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WO2014050232A1 (ja) * | 2012-09-26 | 2014-04-03 | 住友電装株式会社 | ワイヤーハーネス、ワイヤーハーネスの製造方法及び保護部材 |
CN104137361A (zh) * | 2012-02-27 | 2014-11-05 | 株式会社自动网络技术研究所 | 线束用保护材料以及线束 |
WO2015056561A1 (ja) * | 2013-10-18 | 2015-04-23 | 住友電装株式会社 | ワイヤーハーネス及び保護部材 |
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CN102870168A (zh) | 2013-01-09 |
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