JP2004024433A - Bag and storing box, and manufacturing method for the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag and a storing box, and a manufacturing method for the same, for achieving reduction of cost. <P>SOLUTION: A first layer 42 made of ABS resin is stacked on a sheet-like cloth material 41 and a second layer 43 made of aluminum is stacked thereon to form a base material 44 in a base material forming process. The base material 44 is heated from the cloth material 41 side and fused so that the first layer 42 does not droop in a heating process. The base material 44 is pressed with an upper die 62 and a lower die 64 in a press process. A case body 11 formed by pressing is taken out of both molds and cooled in a cooling process. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a bag such as a suitcase used for travel, a storage box, and a method for manufacturing the same.
[0002]
[Prior art]
Conventionally, when traveling, a suitcase as a travel bag has been used.
[0003]
This suitcase is composed of a pair of container-shaped container body bodies, the openings of which are aligned with each other, and a hinge is provided on one side thereof so as to be freely opened and closed.
[0004]
The container body is made of synthetic resin, and blow molding is used to form the container body.
[0005]
Such a container body had to be formed thick in order to secure a predetermined rigidity.
[0006]
In order to solve this problem, a suitcase in which an aluminum plate is bonded to a resin container main body is known.
[0007]
[Problems to be solved by the invention]
However, in such a suitcase to which an aluminum plate has been bonded, the aluminum plate must be bonded in accordance with the shape of the container body, which is troublesome and causes high costs. The same applies to a storage box whose main part is the same as this.
[0008]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a bag, a storage box, and a method for manufacturing the same, which can reduce costs.
[0009]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in the bag according to claim 1 of the present invention, in a bag including a container-shaped container portion main body, the container portion main body is formed of a metal outer member formed in a container shape. And a resin inner member which is solidified and adhered to the outer member after being melted.
[0010]
In other words, the container body constituting the bag has a metal outer member provided on a resin inner member. For this reason, the weight is reduced by the inner member, and the rigidity is increased by the outer member.
[0011]
The inner member is closely attached to the outer member by a resin solidified after being melted. Thereby, the container part main body in which the metal outer member is joined to the resin inner member is obtained without adhering the outer member and the inner member by bonding or the like.
[0012]
In the bag of the second aspect, when the inner member is melted and solidified, a cloth lining is provided in close contact with the inner surface of the inner member.
[0013]
That is, a cloth lining is provided on the inner surface of the container body of the bag.
[0014]
The lining is closely attached to the inner member when the molten resin is solidified to form the inner member. For this reason, the container part main body in which the cloth lining is joined to the resin inner member without bonding the lining and the inner member by bonding or the like is obtained.
[0015]
In the method for manufacturing a bag according to claim 3 of the present invention, the method for manufacturing a bag including a container-shaped container portion main body includes a first layer made of a thermoplastic resin and a second layer made of a metal. And a forming step of heating the base material and pressing the base material into a container shape to form the container portion main body.
[0016]
That is, when manufacturing the container body forming the bag, in the base material forming step, a first layer made of a thermoplastic resin and a second metal layer are laminated to form a base material. Then, in a molding step, the base material is heated and pressed into a container shape to form the container portion main body.
[0017]
Here, as the molding step of heating and pressing the base material, a method such as pressing after heating the base material, pressing while heating, and further pressing while heating after heating, etc. Is mentioned. Further, the first and second layers may be plate-like or sheet-like, or may be a semi-fluid substance such as gel.
[0018]
At this time, the metal second layer is deformed into a container shape during press working, and the shape is maintained. Further, the first layer made of a thermoplastic resin is solidified after being melted by the applied heat, and is adhered to the second layer. As a result, the container body is formed by joining the two members together without bonding them.
[0019]
The container body thus manufactured is lightened by the portion made of the first layer made of resin, and the rigidity is increased by the portion made of the second layer made of metal.
[0020]
Further, in the bag manufacturing method according to claim 4, the molding step includes a heating step of heating the base material, and a pressing step of pressing the heated base material with a mold.
[0021]
That is, in the above-described molding step, the base material heated in the heating step is pressed by a mold in the pressing step to form a container.
[0022]
Further, in the manufacturing method according to claim 5, in the base material forming step, the base material is formed by laminating a cloth material on the other of the first layer in which the second layer is stacked on one side, and the molding is performed. In the step, the base material is pressed into a container shape protruding toward the second layer.
[0023]
That is, in the base material forming step described above, the base material is formed by laminating the cloth material on the other of the first layer in which the second layer is stacked on one side. Thereby, the base material is laminated in the order of the cloth material, the second layer made of resin, and the first layer made of metal.
[0024]
In addition, since this base material is pressed into a container shape swelling toward the second layer side in the molding step, the outer surface of the container body is made of metal and the inner surface is made of a cloth material. Is formed. Further, the thermoplastic resin provided between the outer side surface and the inner side surface functions as a binder for joining the two.
[0025]
In a storage box according to a sixth aspect of the present invention, wherein the main part is the same as that of the first aspect, in the storage box provided with a container-shaped container part main body, the container part main body is formed in a container shape. And a resin inner member that is solidified and adhered to the outer member after being melted.
[0026]
Further, in the storage box according to claim 7 whose main part is the same as that of claim 1, when the inner member is melted and solidified, a cloth lining is provided in close contact with the inner surface of the inner member.
[0027]
These storage boxes of claim 6 and claim 7 have the same main parts as the invention of claim 1, so that the same operation as that of claim 1 and claim 2 can be obtained.
[0028]
Further, in the method for manufacturing a storage box according to claim 8 in which a main part is the same as that in claim 3, the method for manufacturing a storage box including a container-shaped container portion main body includes the first method made of a thermoplastic resin. A base material forming step of laminating a layer and a metal second layer to form a base material, and a molding step of heating the base material and pressing it into a container to form the container part body. ing.
[0029]
Further, in the method of manufacturing a storage box according to claim 9 in which a main part is the same as that of claim 3, the molding step includes a heating step of heating the base material, and pressing the heated base material with a mold. Press process.
[0030]
Further, in the storage box according to claim 10 in which a main part is the same as that of claim 4, the base material forming step includes laminating a cloth material on the other of the first layer on which the second layer is laminated on one side. In addition to forming the base material, in the molding step, the base material is pressed into a container shape that swells toward the second layer.
[0031]
The manufacturing method of the storage box according to any one of claims 8 to 10 has the same main part as that of the invention according to claim 3, so that the same operation as that of claims 3 to 5 can be obtained.
[0032]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a vertically long suitcase 1 which is a travel bag according to the present embodiment.
[0033]
The suitcase 1 includes a case body 11 and a lid 12 provided on the case body 11. The case main body 11 is formed in a rectangular container shape, and constitutes a container main body of the present invention. Further, the lid 12 is also formed in a rectangular container shape, and constitutes the container body of the present invention.
[0034]
The case body 11 and the lid 12 are arranged such that their respective openings face each other, and the long side 21 of the opening edge of the lid 12 is the long side 22 of the opening edge of the case body 11. And is rotatably supported via a hinge portion 23. Thereby, in a state where the case body 11 and the lid 12 are in close contact with each other, an accommodation space is formed therein, and the lid 12 is rotated around the hinge portion 23, whereby the lid 12 can be opened and closed.
[0035]
A handle 31 having a U-shaped cross section is provided at an upper portion of the suitcase 1, and rollers 32,... Are provided at a lower portion. Thus, by gripping and pulling the handle 31, the rollers 32,... Can be rolled and moved.
[0036]
FIG. 2 is a view showing a process of manufacturing the case body 11 or the lid 12 as a container body, and a case where the case body 11 is formed will be described as an example.
[0037]
That is, when the rectangular container-shaped case body 11 is formed, the thermoplastic resin is formed into a plate shape on the sheet-shaped cloth material 41 in the base material forming step, which is the previous step shown in FIG. The base layer 44 is formed by stacking the formed first layer 42 and stacking a metal plate-shaped second layer 43 on the first layer 42.
[0038]
As the cloth material 41, a relatively soft material is used, and a material that enhances the texture inside the case body 11 and the protection of the stored items is used. The first layer 42 is made of an ABS resin formed by copolymerization of acrylonitrile (A), butadiene (B), and styrene (S), and does not melt so as to drip even when heated to about 150 ° C. The thickness is set to 1.2 mm to 1.8 mm. The second layer 43 is formed of aluminum (Al), which is a metal, and has a thickness of 0.5 mm to 1 mm.
[0039]
Here, the second layer 43 may be made of only aluminum, but the surface of aluminum may be coated with a resin layer. In addition, the case where the base material 44 has a three-layer structure including the cloth material 41, the first layer 42, and the second layer 43 has been described as an example, but the base material 44 is made of a thermoplastic resin. A double structure including the first layer 42 and the second layer 43 made of metal may be used, and in this case, cost reduction can be achieved.
[0040]
In the heating step shown in FIG. 2A, the base material 44 thus formed is heated to 150 ° C. by applying heat 51 from the cloth material 41 side so that the first layer 42 does not drip. Melts.
[0041]
Then, in the pressing step shown in FIG. 2B, the heated base material 44 is formed into an upper mold 62 provided with a concave portion 61 forming an outer surface shape of the case body 11 and an inner surface shape of the case body 11. Between the lower mold 64 and the lower mold 64 provided with the convex portion 63. At this time, the cloth material 41 is arranged on the lower mold 64 side and the second layer 43 is arranged on the upper mold 62 side, and the base material 44 is pressed by both molds 62 and 64, The base material 44 is pressed into a container shape that swells toward the second layer 43 disposed on the upper mold 62 side.
[0042]
Thereby, the second layer 43 made of aluminum is deformed into a container shape, and the shape is maintained. Further, the first layer 42 made of ABS resin is solidified after being melted by the applied heat, so that the first layer 42 is integrally adhered to the second layer 43.
[0043]
Thereafter, the case body 11 pressed into a container is taken out of the two dies 62 and 64 and cooled in a cooling step (not shown).
[0044]
As a result, the manufactured case body 11 was tightly adhered to the outer member 71 made of the aluminum-made second layer 43 formed in a container shape, after the first layer 42 was melted and solidified to the outer member 71. An inner member 72 made of ABS resin and an inner lining 73 in which the cloth material 71 is adhered to the inner surface of the inner member 72 when the inner member 72 is melted and solidified are integrally formed.
[0045]
At this time, rod-shaped electric heaters 81,... Are embedded in a plurality of places in the molds 62, 64, and the surfaces of the molds 62, 64 are heated to about 200 ° C. in advance. Also, while the base material 44 is being pressed, the heating by the electric heaters 81,... Is continued to keep the surface temperature of each of the molds 62, 64 at about 200 ° C.
[0046]
Thus, the molding process of the present invention in which the base material 44 is heated and pressed into a container to form the case main body 11 is formed.
[0047]
Here, in the present embodiment, as a molding step of heating and pressing the base material 44, an example is given in which the base material 44 heated in the heating step is pressed while being heated by the dies 62 and 64. However, the present invention is not limited to this. For example, after the base material 44 is heated, the base material 44 is pressed by the respective dies 62 and 64 at room temperature, or the respective heating dies are eliminated by eliminating the heating step. , 64, the substrate 44 may be pressed.
[0048]
Further, the first and second layers 42 and 43 may be plate-like or sheet-like, or may be a semi-fluid substance such as gel.
[0049]
In the present embodiment according to the above configuration, the case body 11 and the lid 12 constituting the suitcase 1 are formed by joining an inner member 72 made of ABS resin and an outer member 71 made of aluminum. The weight can be reduced by the inner member 72 made of ABS resin, and the rigidity can be increased by the outer member 71 made of metal.
[0050]
For this reason, it is possible to reduce the wall thickness while maintaining a predetermined rigidity, as compared with the case where only resin is used. Further, since the outer member 71 is made of aluminum, the abrasion resistance can be improved as compared with the case where the outer surface is made of resin.
[0051]
The inside member 72 is integrally adhered to the inside of the outside member 71 by the ABS resin solidified after melting. Thereby, the case main body 11 and the lid 12 in which the metal outer member 71 is joined to the resin inner member 72 can be obtained.
[0052]
Therefore, as compared with the conventional method in which an aluminum plate is joined to a resin member with an adhesive, the bonding operation is not required, and the manufacturing cost can be reduced. Therefore, cost reduction can be achieved.
[0053]
In addition, a cloth lining 73 is provided on the inner side surfaces of the case body 11 and the lid 12 constituting the suitcase 1. Thereby, as compared with the case where the resin is exposed on the inner side surface, the texture can be improved, and the protection of the stored matter can be improved.
[0054]
The lining 73 is integrally adhered to the inner member 72 when the molten ABS resin is solidified to form the inner member 72. Therefore, the case body 11 and the lid 12 in which the cloth lining 73 is joined to the resin inner member 72 can be obtained without bonding the lining 73 and the inner member 72 by bonding or the like. Therefore, compared with the case where the lining 73 is bonded with an adhesive, the bonding operation is not required, the manufacturing cost can be suppressed, and the cost can be reduced.
[0055]
On the other hand, in the case main body 11 and the lid 12 manufactured through the above-described manufacturing process, the second layer 43 made of aluminum is deformed into a container shape during the press working to maintain the shape. Can be. Further, the first layer 42 made of the ABS resin is solidified after being melted by the applied heat, so that the first layer 42 can be integrally adhered to the second layer 43 made of aluminum. Thereby, the case main body 11 and the lid 12 to which the two members 42 and 43 are joined can be formed.
[0056]
In addition, since the base material 44 heated in the heating step and the first layer 42 is preliminarily melted is pressed into the container by pressing the dies 62 and 64 in the pressing step, the heating time during pressing can be reduced. Can be planned.
[0057]
Further, a base material 44 laminated in the order of the cloth material 41, the second layer 42 made of ABS resin, and the first layer 43 made of aluminum is formed in a base material forming step. In order to press-process into a container shape which swells toward the second layer 43 side in the molding step, the outer surface is formed of aluminum and the inner surface is formed of the cloth material 41, and the case body 11 and the lid 12 are formed. Can be obtained.
[0058]
Accordingly, an ABS member, which is provided between the outer member 71 forming the outer surface and the lining 73 forming the inner surface and is solidified after melting, is made of the ABS member and the lining 73. It can be used as a binder for joining both.
[0059]
In the present embodiment, only the suitcase 1 as a bag and the method of manufacturing the suitcase 1 as a method of manufacturing a bag have been described. However, by providing a container-shaped container body for storing stored items, Even in a storage box having the same main part, the container body is manufactured by the same manufacturing method as described above (not shown). In this case, the same operation and effect as described above can be obtained.
[0060]
【The invention's effect】
As described above, in the bag according to claim 1 of the present invention, the container body constituting the bag is formed by joining the resin inner member and the metal outer member, The weight can be reduced by the inner member made of resin, and the rigidity can be increased by the outer member made of metal.
[0061]
For this reason, it is possible to reduce the wall thickness while maintaining a predetermined rigidity, as compared with the case where only resin is used. Further, since the outer member is made of metal, the abrasion resistance can be improved as compared with the case where the outer surface is made of resin.
[0062]
The inner member is closely attached to the outer member by a resin solidified after being melted. Thereby, it is possible to obtain a container main body in which the metal outer member is joined to the resin inner member.
[0063]
Therefore, as compared with the conventional method in which an aluminum plate is joined to a resin member with an adhesive, the bonding operation is not required, and the manufacturing cost can be reduced. Therefore, cost reduction can be achieved.
[0064]
In the bag of the second aspect, a cloth lining is provided on the inner surface of the container body constituting the bag. Thereby, the texture can be enhanced as compared with the case where the resin is exposed on the inner side surface.
[0065]
The lining is in close contact with the inner member when the molten resin is solidified to form the inner member. Therefore, it is possible to obtain a container body in which the cloth lining is joined to the resin inner member without adhering the lining and the inner member by bonding or the like. Therefore, as compared with the case where the lining is bonded with an adhesive, the bonding operation is not required, the manufacturing cost can be reduced, and the cost can be reduced.
[0066]
Further, in the bag manufacturing method according to claim 3 of the present invention, the base material in which the first layer made of the thermoplastic resin and the second layer made of metal are laminated is heated and pressed. The container body can be formed.
[0067]
At this time, the second metal layer is deformed into a container shape during the press working, and the shape can be maintained. Further, the first layer made of a thermoplastic resin is solidified after being melted by the applied heat, and is adhered to the second layer. Thus, the container member main body can be formed by joining the two members.
[0068]
Therefore, as compared with the conventional method in which an aluminum plate is joined to a resin member with an adhesive, the bonding operation is not required, and the manufacturing cost can be reduced. Therefore, cost reduction can be achieved.
[0069]
The container body thus manufactured can be reduced in weight by the portion made of the first layer made of resin, and can be increased in rigidity by the portion made of the second layer made of metal.
[0070]
Therefore, it is possible to reduce the wall thickness while maintaining a predetermined rigidity, as compared with the case where only resin is used.
[0071]
Further, in the bag manufacturing method according to the fourth aspect, the base material in which the first layer is preliminarily melted by heating in the heating step may be formed in a container shape by pressing with a mold in the pressing step. it can.
[0072]
Further, in the manufacturing method according to the fifth aspect, the base material is formed by laminating a cloth material on the other of the first layer in which the second layer is laminated on one side. Thereby, the base material laminated in the order of the cloth material, the second resin layer, and the first metal layer can be formed in the base material forming step.
[0073]
In addition, since the base material is pressed in a molding step into a container shape swelling toward the second layer, a container having an outer surface formed of metal and an inner surface formed of a cloth material The main body can be obtained.
[0074]
Thus, by using a metal as the outer surface, the abrasion resistance can be improved as compared with the case where the outer surface is made of a resin. Further, since a lining made of a cloth material can be formed on the inner surface, the texture can be improved as compared with the case where the resin is exposed on the inner surface. Further, a thermoplastic resin provided between the outer side surface and the inner side surface can be used as a binder for joining the two.
[0075]
The storage box according to the sixth and seventh aspects has the same main part as the invention of the first aspect, so that the same effects as those of the first and second aspects can be obtained.
[0076]
In the method for manufacturing a storage box according to any one of claims 8 to 10, since the main part is the same as that of the invention according to claim 3, the same effects as those of claims 3 to 5 can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of the present invention.
FIG. 2 is a schematic diagram showing a manufacturing process of the embodiment.
[Explanation of symbols]
1 suitcase (bag)
11 Case body (container body)
12 Lid (container body)
41 cloth material 42 first layer 43 second layer 44 base material 62 upper mold 64 lower mold 71 outer member 72 inner member 73 lining 81 heater

Claims (10)

In a bag including a container-shaped container body,
A bag wherein the container portion main body is constituted by a metal outer member formed in a container shape and a resin inner member which is solidified and adhered to the outer member after being melted. The luggage according to claim 1, wherein when the inner member is melted and solidified, a cloth lining is provided in close contact with the inner surface of the inner member. In a method for manufacturing a bag including a container-shaped container portion main body,
A base material forming step of forming a base material by laminating a first layer made of a thermoplastic resin and a second layer made of a metal,
A molding step of heating the base material and pressing it into a container to form the container body,
A method for manufacturing a bag, comprising: The bag manufacturing method according to claim 3, wherein the molding step includes a heating step of heating the base material and a pressing step of pressing the heated base material with a mold. The base material forming step is to form the base material by laminating a cloth material on the other of the first layer on which the second layer is laminated,
5. The bag manufacturing method according to claim 3, wherein in the molding step, the base material is pressed into a container shape that swells toward the second layer side. 6. In a storage box including a container-shaped container portion main body,
A storage box, wherein the container portion main body is constituted by a metal outer member formed in a container shape, and a resin inner member which is solidified and adhered to the outer member after being melted. 7. The storage box according to claim 6, wherein when the inner member is melted and solidified, a cloth lining is provided in close contact with the inner surface of the inner member. In a method for manufacturing a storage box including a container-shaped container portion main body,
A base material forming step of forming a base material by laminating a first layer made of a thermoplastic resin and a second layer made of a metal,
A molding step of heating the base material and pressing it into a container to form the container body,
A method for manufacturing a storage box, comprising: The method for manufacturing a storage box according to claim 8, wherein the molding step includes a heating step of heating the base material and a pressing step of pressing the heated base material with a mold. The base material forming step is to form the base material by laminating a cloth material on the other of the first layer on which the second layer is laminated,
The method for manufacturing a storage box according to claim 8 or 9, wherein in the molding step, the base material is pressed into a container shape protruding toward the second layer.

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