WO1997042024A1 - Structure cousue resistante aux fuites, son procede de creation et son dispositif de traitement thermique - Google Patents
Structure cousue resistante aux fuites, son procede de creation et son dispositif de traitement thermique Download PDFInfo
- Publication number
- WO1997042024A1 WO1997042024A1 PCT/JP1996/003403 JP9603403W WO9742024A1 WO 1997042024 A1 WO1997042024 A1 WO 1997042024A1 JP 9603403 W JP9603403 W JP 9603403W WO 9742024 A1 WO9742024 A1 WO 9742024A1
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- WIPO (PCT)
- Prior art keywords
- suture
- adhesive resin
- suturing
- melt adhesive
- hot
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B9/00—Footwear characterised by the assembling of the individual parts
- A43B9/02—Footwear stitched or nailed through
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0215—Plastics or artificial leather
- A43B23/022—Plastics or artificial leather with waterproof breathable membranes
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/025—Uppers; Boot legs characterised by the constructive form assembled by stitching
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0295—Pieced uppers
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
- A43D11/12—Machines for forming the toe part or heel part of shoes, with or without use of heat
Definitions
- Anti-leakage suture structure is a description of anti-leakage suture structure, method of forming anti-leakage suture structure, and heat treatment device for suture structure
- the present invention relates to an anti-water leakage suture structure and a method of forming the anti-water leakage suture structure, and in particular, shoes such as trekking shoes, footwear, caps, gloves, and backpacks that require an anti-water leakage suture structure.
- TECHNICAL FIELD The present invention relates to a suturing structure having an anti-leakage suturing portion to be a three-dimensionally shaped suturing product, and a method for forming the suturing structure and a heat treatment apparatus for the suturing structure.
- Shoes such as trekking shoes, footwear, caps, gloves, backpacks, etc. are made of natural leather, artificial leather, woven or knitted fabric, foamed or non-foamed sheets with moderate flexibility, etc. It is often manufactured by laminating a plurality of surface members and suturing appropriate portions. In general, many of these sewn products require water leakage resistance, and therefore, a waterproof sheet is used as a face material.
- the sewn product is a shoe, for example, a trekking shoe
- the trekking shoe is formed by laminating a plurality of sheets including a waterproof sheet material and subjecting to a three-dimensional structure having a desired structure and shape through suturing. It is a processed product manufactured in the suture structure of.
- a sewn structure such as the training shoes of the previous example is provided with an anti-leakage treatment at the sewn portion and the sewn seam portion.
- the following general-purpose waterproof or anti-leakage treatment is applied alone or in combination.
- Japanese Patent Laying-Open No. 7-32510 discloses an iron and press machine in which a thermoplastic resin material is interposed between laminated shoe materials at a sewn portion of the shoe formed by sewing the laminated structure of the shoe material. Melting by applying heating means such as trowels, rollers, hot air melting equipment, etc., forms a bonding molten resin layer between the laminated shoe materials at the stitched portion, thereby providing a waterproof function to the stitching structure of the shoe. It discloses a method of granting The waterproof structure of the sewn portion is formed by inserting a hot-melt resin material in the form of a sandwich between two facing sheets of the waterproof sheet that are superimposed on each other, and suturing with a machine.
- the method of forming the waterproof stitching structure is to use a hot-melt resin material interposed with a lamination intermediate layer interposed between stitches formed in a curved area layer structure portion such as a thick shoe upper. It is difficult to form a uniform molten resin joining layer along the curved surface because it is a method of melting with resin, and the resin penetrates into the needle hole of the suture and closes the needle hole with resin. However, a strong anti-leakage suture structure cannot be formed. Japanese Patent Application No.
- 4-269901 discloses that the covering material of shoes is waterproofed with a thermoplastic resin, and those members are sewn with sewing threads surface-treated with a thermoplastic resin, and the sewn portion is pressurized and heated. In addition, it discloses an attempt to fill the gap around the sewing thread to prevent water from infiltrating from the shoe jacket.
- the operation of pressing with an electric iron cannot sufficiently melt the thermoplastic resin, and further, the amount of resin that can be imparted by the surface treatment of the thread is limited by the amount of the suture. Not enough to fill the needle hole.
- Firmly and sufficiently filling the sewing needle holes with sewing thread surface-treated with thermoplastic resin will increase the size of the sewing machine needle holes with surface-treated thread and will have a negative effect on sewing operations. Therefore, it is difficult to adopt it as actual technology.
- An object of the present invention is to provide a suturing structure including an anti-leakage suturing portion.
- Another object of the present invention is to provide a suture structure in which an outer shell surface including a water-leakable suture portion is formed into a curved surface, for example, shoes such as trekking shoes, footwear, a cap, gloves, and a sack. Waterproof and anti-thickness products that can be used as three-dimensional suturing products It is to provide a water leakage suture structure.
- Another object of the present invention is to provide a simple and simple method for forming an anti-leakage seam structure in a suture structure having a curved outer shell as described above, and to perform the above method with a reliable and simple operation.
- a first object of the present invention is to basically provide a sewing needle in which a front surface material and a back surface material are stitched along a suture line via an applied hot-melt adhesive resin film layer to form the suture line.
- the hole is filled with a part of the hot melt adhesive so as to embed the sewing thread, and at least the surface material is made of a water-proof sheet material.
- the suturing structure according to the present invention is formed by suturing a cut piece of leather, fiber cloth, or a soft synthetic resin sheet material as a general material for shoes, footwear, hats, gloves, backpacks, and the like. It refers to a sewn structure product in which at least the cut pieces constituting the outer cover or outer shell surface are formed of a waterproof material. Therefore, the surface material of the suturing structure product needs to be waterproof or water-repellent when the sheet material is a water-permeable or semi-permeable material.
- the surface material can be a member that covers the entire coated surface of the product or a decorative piece, depending on the product form of the suture structure.
- the surface material is a base material, a lining corresponding to the outer covering, or the like.
- the sheet material constituting the backing material can be arbitrarily selected depending on the intended use of the suture structure.
- a material is used in consideration of moisture absorption, texture, elasticity, touch, and the like. It can be a laminated sheet of a knitted fabric and a flexible foamed resin sheet.
- joining (joining) of the front surface material and the back surface material Is stitched using a sewing thread.
- the hot-melt adhesive resin film includes a seam between the front surface material and the back surface material at the time of sewing, and is sandwiched between the front surface material and the back surface material in a sandwich shape along the seam line.
- the melting point stitched to the laminate structure is at least 90 ° C or higher, and is selectively melted and fluidized once by a high-frequency dielectric heating method of a hot melt bonded resin sheet at 170 ° C or lower. It is a water-tight film formed by this.
- the hot-melt adhesive resin film uses the minimum thickness that exhibits the above-mentioned function, but the suturing structure is not easily affected by mechanical shocks such as mechanical bending and tension in the usage mode in the target application. It should be as thin as possible without damaging it and as long as the non-flow function is maintained.
- the suturing structure of the present invention prevents water from entering the suturing structure through the needle hole forming the seam line and from the front to the back, and furthermore, the surface material and the back surface An anti-leakage structure has been formed to prevent water from entering the interior through the overlap of the materials.
- the suturing structure of the present invention can be prepared based on a method principle including the following steps.
- thermoplastic resin composition exhibiting a certain degree of fluid viscosity, for example, a molded article such as a fiber cloth or a film.
- the hot-melt adhesive resin sheet is a material that can be melted and flow at a temperature that does not degrade or break the mechanical properties and texture of the front and back materials and the sewing thread at room temperature.
- the material must not melt the surface material, the back material, and the sewing thread under the high-frequency current application condition under which the resin sheet is melted.
- Such hot-melt adhesive resin sheets are made of polyamide, polyester, polyvinyl chloride, polyurethane, polyvinyl acetate, and acrylic resin. It is selected from low-melting synthetic resins with melting points of about 90 ° C to 170 ° C, such as coalescing. In addition, the dielectric power factor of the resin sheet is selected to be about 1.7 to 4.3 times those of the front and back materials and the sewing thread. Also, hot Tome Le preparative adhesive resin sheet is easy to handle, thickness in terms of the suture easily like 500 50 // and a basis weight of a 30 ⁇ 50 g Z m 2 is part shape of the tape-like or surface material It is cut into the same shape and used.
- the pioneering stitching structure sandwiches a hot-melt adhesive resin sheet between the surface material and the back material in a sandwich shape, and stitches the three members together at desired locations using sewing threads. It is prepared by doing so.
- the pioneering suture structure prepared as described above is mounted between two parallel plate electrodes of a known high-frequency dielectric heating device, and a high-frequency voltage is applied to the electrodes in accordance with the known knowledge of high-frequency heating condition setting.
- the hot melt adhesive resin sheet in the structure is melted and fluidized by applying a pressure, and a part of the melted and melted resin sheet is made to penetrate into the needle hole of the aforementioned suture line, and the structure is moved along the suture line.
- An anti-water leakage layer of a thermoplastic resin film is formed in the intermediate layer.
- the pioneering suture structure is small At least one surface side is made of a soft pressurized sheet material with a dielectric constant of 0.002 to 0.02 and a product of the dielectric constant and the dielectric constant of 0.006 to 0.09. It is preferable to be pressed in the thickness direction via an elastic pressing sheet. Due to the elastic pressing action of the soft pressing body, the distance between the electrode surface and the hot-melt adhesive resin sheet layer of the precursor suture layer structure is kept constant, and the hot-melt adhesive resin is maintained. Heat is concentrated on the sheet to prevent uneven application of high-frequency voltage, especially to the irregularities in the suture line, to form a film of the molten hot-melt adhesive resin sheet and to fill the needle hole with the molten flow. ⁇ can be promoted.
- the step (b) includes a heating means for processing the precursor suture layer structure into a predetermined three-dimensional shape.
- a heating means for processing the precursor suture layer structure into a predetermined three-dimensional shape For example, when the precursor suture layer structure is finished into a shoe, a conductive mold having a mold surface along a curved seam line of a curved portion corresponding to a shoe cover and a heel, and a conductive class facing the conductive mold.
- high frequency voltage is applied to the mold and the conductive clamp to selectively heat and melt the hot melt adhesive resin sheet of the intermediate layer. is necessary.
- FIG. 1 (A) to 1 (C) are diagrams schematically illustrating a method for forming a suturing portion of a suturing structure according to the present invention.
- FIG. 1 (A) illustrates that the front surface material and the back surface material are sewn with a hot-melt adhesive resin sheet sandwiched therebetween in a sandwich shape.
- FIG. 1 (B) shows that the three materials form a three-layer suture structure by suturing.
- (c) shows a cross section of the three-layer suture structure.
- FIG. 2 is a schematic explanatory view of a cross-sectional structure of a suturing portion of the suturing structure of the present invention.
- FIG. 3 (A) and 3 (B) show an embodiment of the present invention embodied in shoes.
- Fig. 3 (A) shows the appearance of the shoe
- Fig. 3 (B) shows the surface of the backing material before the formation of the suture structure.
- FIGS. 4 (A) to 4 (C) are conceptual illustrations of a heating device for a suture structure of the present invention using a high-frequency heating device.
- FIG. 5 is a structural explanatory view of a high-frequency heating apparatus suitable for heating the upper part of the shoe upper with the suturing structure of the present invention, and is a cross-sectional view particularly showing the arrangement of heating means.
- FIG. 6 is an external view showing a perspective view of an arrangement of a main part of the high-frequency heating apparatus of FIG.
- FIG. 7 is a perspective view showing a state in which a piercing suturing structure, which is a shoe material, is mounted on a mold of the processing apparatus shown in FIG. 6 and a high-frequency voltage is applied to the piercing structure.
- FIG. 2 shows a vertical cross-sectional structure of a suturing portion of the suturing structure of the present invention.
- the suturing structure (A1) is a laminated structure including a front surface material (2), a back surface material (3), and a hot-melt adhesive resin film layer (6) adhered therebetween. Is fixed by sewing with sewing threads (5) and (5 '). A portion of the resin constituting the hot melt adhesive resin film layer (6) closes at least the cross section of the sewing needle hole (7), and also embeds and fills a sewing thread, and then sewn. Of all needle holes and backing material included in the structure It blocks the flow of rainwater and other water through the overlapped section, and provides an excellent anti-leakage function to the seam of the structure.
- Fig. 2 shows the general lock stitches, such as force special lock stitches, such as two-needle lock stitch, zigzag stitch, double stitch, flat stitch composite stitch called loop stitch and chain stitch. The same effect can be obtained with the seam format.
- the suturing structure of the present invention is used in the form of various secondary products.
- the suturing structure of the present invention in which the surface material is made of leather or fabric can form shoes, ski gloves, hats, and tents whose sewn portions have a high anti-water leakage function. .
- FIG. 3 shows an example in which the suturing structure of the present invention is processed into trekking shoes.
- Recent trekking shoes can be finished by sewing multiple cover material pieces, or by forming a part of the cover surface with decorative pieces, and leaving the seam lines of the decorative pieces naked on the cover surface.
- Popular for formed products are sewn to the back material at the seam line (7) as a part of the surface material of the shell part
- 1 shows a suturing structure of an outer appearance of a trekking shoe using a suturing structure of the present invention manufactured through high-frequency heating.
- FIG. 3 shows an example in which the suturing structure of the present invention is processed into trekking shoes.
- Recent trekking shoes can be finished by sewing multiple cover material pieces, or by forming a part of the cover surface with decorative pieces, and leaving the seam lines of the decorative pieces naked on the cover surface.
- Popular for formed products are sewn to the back material at the seam line (7) as a part of the surface material of the shell part
- 1 shows a suturing structure of an outer appearance of
- the decorative pieces (A s), (B s) and (C s) are lining members shown in FIG. 3 (B) of the shoe.
- the seam has an anti-leakage function.
- the tape of the hot-melt resin sheet is sewn with the tape cut from 10 mm in width to 15 concealed in accordance with the sewing line of the decorative piece, fitted in the decorative piece line.
- the stitch line (7) is, for example, a lock stitch (stitch pitch 3. (5 stitches / cm) and sewn with 1.5 mm to 32. Omm inside and 2 mm to 5.0 mm inside from the line of each piece.
- the suturing structure of the present invention is formed by applying the step of preparing the precursor suturing structure of the suturing structure (1) and the step of high-frequency heating the precursor suturing structure.
- the pioneering suture structure (A 1) has a hot-melt material between the front material (2) and the back material (3). After the adhesive resin sheet pieces (6a) are overlaid, they are stitched together at a predetermined seam line to be bonded to the stitched laminated structure.
- the hot melt adhesive resin sheet piece (6a) is sandwiched along the seam line in a sandwich as shown in Fig. 1 (C). It is fixed between the front material (2) and the back material (3).
- the formation position of the seam line is arbitrarily selected according to the form of the processed product to be the suture structure.
- Figure 1 (B) is a surface member and back surface member 7, shows a 7 2, 7 3 examples stitched by three seam lines precursor suture structure.
- FIG. 1 (C) shows a cross section of the sewn portion of the precursor suturing structure (A1), and the seam line for suturing the surface material and the back material is always a hot melt adhesive resin sheet. It is shown that it is formed sandwiching.
- the thermoplastic resin sheet includes a seam line with a margin in the plane, and is provided in a belt shape along the seam line. It is not necessary to stitch the hot melt adhesive resin sheet off the seam line.
- the precursor suturing structure prepared through the above steps is mounted between the mold and the clamp of the high-frequency heating apparatus, and is subjected to high-frequency power while being pressed in the thickness direction, thereby obtaining a hot melt.
- Apply a high-frequency voltage sufficient to melt and fluidize the adhesive resin sheet A coating layer of the hot-melt adhesive resin is formed between the face material and the back material, and a portion of the resin is inserted into each of the needle holes forming the sewing line and filled, thereby providing resistance.
- a leaky suture structure is formed.
- a general-purpose heating device for example, a high-frequency welder device can be used.
- the application of the high-frequency voltage melts and fluidizes only the hot-melt adhesive resin sheet of the precursor suture structure under the conditions similar to the so-called adhesive surface heating method.
- the high-frequency heating system for the pioneering suture structure will be described with reference to the conceptual diagrams of FIGS. 4 (A) to 4 (C).
- the pioneering suture structure (A1) is pressed and held at a uniform pressure between the conductive mold (10) and the upper conductive die (11) using the pioneering suture structure (A1). It is important to apply a voltage to melt and fluidize only the hot melt adhesive resin sheet (6a) inside.
- to hold the pioneering suture structure means that the front and back surfaces of the pioneering suture structure are closely interposed between the conductive mold (10) and the upper conductive mold (11) as shown in FIG. Pinching (see arrow).
- the holding surface of the leading sewn structure of the conductive mold (10) and the upper conductive mold (11) must correspond to the outer shape of the product intended for the sewn structure, especially the surface along the shape of the outer surface. It is necessary to have the shape to have o
- the pioneering suture structure is formed of a part of the helmet, the shape around the heel, and the outer surface of the part of the hull and the heel. High-frequency heating must be performed while maintaining the designed shape along the curved surface. Therefore, as shown in Fig. 4 (A), Fig. 4 (B) or Fig. 4 (C), the shapes of the conductive mold (10) and the upper conductive mold (11) are Each of them must be designed to provide a mold that holds or supports the pioneering suture structure in a flat or curved shape that matches the shape of the product to be manufactured.
- FIG. Figures 5 to 7 show a three-dimensional product as a shoe, and in particular, a shoe upper member including a helmet, a heel, a waist skin, and a front leather part before a pioneering suture structure is attached to a shoe sole.
- the precursor suturing structure to be machined is set in the high-frequency heating machine.
- the high-frequency heating apparatus includes a conductive mold (10) on which the precursor suturing structure (A1) is mounted and a precursor suturing structure (A1) mounted on the conductive die.
- the elastic pressing member is disposed between the conductive mold and the conductive clamp, and is brought into contact with the precursor suture structure ( ⁇ 1) by sandwiching the precursor suture structure with the conductive clamp.
- a high-frequency generator (13) for applying a high-frequency voltage to the conductive mold and the conductive clamp to melt the hot-melt resin sheet of the precursor suture structure (A1).
- the conductive mold and the like are usually placed on a base machine base (17) via an insulator such as Teflon or Juracon as shown in Fig. 7 described later.
- the material of the conductive mold (10) is not particularly limited as long as it can conduct electricity, but aluminum is preferred because of its light weight, workability and durability.
- the shape is appropriately selected according to the type of the pioneering suture structure (A 1). More specifically, a sewn portion of a precursor suturing structure to be processed into a curved surface is used in such a shape that the suturing portion can contact the mold.
- the size of the conductive mold (10) is also determined according to the shape and size of the pioneering structure. For example, when the precursor suturing structure is processed into shoes, a mold having a length of about 20 to 40 cm, a width of about 3 to 10 cm, and a height of about 10 to 30 cm is used.
- the shape of the conductive clamp (11) is appropriately selected according to the form of the precursor suture structure ( ⁇ 1). It is preferable that the shape of the U-shaped or donut shape be such that pressure can be applied from the outer periphery of the pioneering suture structure (A 1) to hold and hold the suture portion of the pioneering suture structure. New Specifically, in order to melt the hot-melt resin sheet (6a) in the precursor suture structure by applying a single high-frequency voltage to the entire surface of the curved precursor suture structure (A1), It is preferable that the suturing structure has a shape that sandwiches at least the entire circumference of the suturing structure. Also, the size of the conductive clamp (11) may be any size as long as the suture portion can be sandwiched from the outer periphery of the precursor suture structure.
- the pioneering suture structure (A 1) is a shoe
- three horizontally movable conductive clamps (11a), (11b), (11) c) is arranged in a U-shaped arm shape, total length 50-80cm, width It is preferable to use one with a height of 3 to 5 cm and a height of 5 to 15 cm.
- the material of the conductive clamp is not particularly limited as long as it can conduct electricity, but is preferably made of aluminum as in the case of the conductive mold (10).
- the manual levers It is common to hold down the pioneering suture structure by 14a), (14b) and (14c).
- the pressure for clamping the pioneering suture structure (A 1) depends on its type, but for shoes it is preferably in the range of 1.0 to 4.0 kg / cm 2 .
- the resilient pressing sheet (15) is located between the conductive mold (10) and the pioneering suture or between the pioneering suture and the conductive clamps (11a), (lib), (11). c).
- the precursor suturing structure (A 1) is mounted on a conductive mold (10), and an elastic pressing sheet (15) is arranged above or below.
- the elastic pressing sheet (15) is held down by the conductive clamps (11a), (lib) and (11c), and absorbs the curved surface and unevenness of the pioneering suture structure (A1) to pioneer suturing. It can be in close contact with the surface of the structure.
- the material of the elastic pressing sheet (15) is not particularly limited as long as it is an insulator that is not melted by the applied high-frequency voltage, but has a dielectric constant of 3.2 to 4.7 and a dielectric power factor of 0.002 to 0.002. It is preferable to use a soft resin sheet with 0.02 and a product of dielectric constant and dielectric power factor of 0.006 to 0.09.
- Examples of such elastic resin sheets include insulating rubber sheets such as silicone rubber and polyurethane, and foamed synthetic resin sheets.
- the size of the elastic pressing sheet (15) is preferably equal to the size of the conductive mold 1 in terms of handling, and the thickness is uniform melting of the hot melt adhesive resin sheet (6a). From the point of view, a range of 3 to 5 mm is preferable.
- the metal plate (16) is elastically pressed between the pioneering suture structure mounted on the conductive mold (10) and the conductive clamps (11a), (lib), (11c). 15) is placed in contact with the surface of the pioneering suture structure.
- the precursor suturing structure is mounted on a conductive mold (10), the outer periphery of which is in contact with the elastic pressing sheet (15).
- the elastic pressure sheet can absorb and adhere to the pioneering suture structure and its curved surface and unevenness by being sandwiched by the conductive clamp.
- the metal plate (16) in contact with the elastic pressing sheet (15) also has flexibility, it can be in close contact with the elastic pressing sheet absorbing the curved surface and irregularities of the pioneering suture structure.
- the metal plate (16) comes into contact with the conductive clamps (11a), (lib) and (11c) and heats the pioneering suture structure by energizing from the high frequency generator (13).
- the material of the metal plate (16) is not particularly limited as long as it can be energized, but a copper plate, a phosphor bronze plate, or the like is preferable in terms of followability to a curved surface and uniformity of energization. It is preferable to adjust the size to the size of the conductive clamp in terms of handling. Furthermore, the thickness of the metal plate (16) is It is preferable to set it in the range of ⁇ to 3 mm so that it can be obtained.
- the elastic pressing sheet (15) has a role as a cushioning material for the pioneering suture structure (A1) and the metal plate (electrode) having the curved surface and the unevenness as described above, and has a conductive material.
- the curved surface or unevenness of the pioneering suture structure (A 1) is absorbed by the clamp by the lamp, and the heat is uniformly transmitted to the suturing part of the pioneering suture structure (A 1), which allows hot melt bonding.
- the resin sheet (6a) is uniformly melted to prevent uneven melting.
- FIG. 6 is a diagram showing the appearance of the high-frequency heating device described above with reference to FIG. Fig. 7 shows Fig. 6 in which the leading suturing structure (A1) of shoe material is attached to a conductive mold (10) whose structure is clear, and elastic pressing sheets (15) are attached to both sides. A state in which a predetermined high-frequency voltage is applied to the pioneering suture structure by pressing through the suturing structure.
- the base plate (17) has a conductive mold (10) and a conductive clamp (not shown) mounted via an insulating plate such as Teflon or Juracon. It is a mounting table for the pumps (11a), (11b), and (11c).
- the high-frequency heating and pressurizing device used in the method of the present invention a known device can be used.
- a high frequency ⁇ elda manufactured by Seidensha Electronics Co., Ltd. can be used.
- the conductive mold side should be the output side (positive electrode), A voltage of 3 to 5 kW is applied with the positive clamp side as the input side (negative pole).
- a current of 0.7 to 0.8 A is applied for 3 to 18 seconds, preferably 5 to 15 seconds.
- the sewn shoe upper member (pioneering sewn structure piece) is attached to a dedicated conductive mold for each side (left and right), upper, and heel, and a high-frequency elder (manufactured by Seidensha Electronics Co., Ltd.) )
- a high-frequency elder manufactured by Seidensha Electronics Co., Ltd.
- a frequency of 40 MHz a conduction time of 12 seconds, and an anodic current of 0.70 A to apply a polyamide-based hot-melt resin tape in the shoe upper member, which is the precursor suture. Melt and connect the sutures.
- a beef leather surface silver surface type (water pressure 2000 H20, water repellency 95 points) treated with a fluorine-based water-repellent material was cut into a predetermined shape as a waterproof shoe material. Next, they were joined in the same manner as in Example 1 except that the leather cut leather pieces were overlapped and stitched.
- the anti-water leakage suturing structure of the present invention has extremely excellent water resistance of the structure of the sewn portion, and the water resistance of the sewn portion does not decrease even when subjected to an external force such as bending.
- the anti-water leakage suturing structure of the present invention is obtained by melting only the hot-melt adhesive resin sheet material arranged in the intermediate layer of the suturing portion by applying the high frequency heating method. Even if the part is processed into a curved surface, it has a suture with a high level of water leakage resistance.
- the suturing structure of the present invention is formed by the above-described method, it is possible to uniformly heat the entire three-dimensional object having a curved surface and a large number of irregularities by a single energizing operation. Since the adhesive resin sheet can be uniformly melt-bonded, it is excellent in workability and does not damage the waterproof fabric or the like.
- the method and apparatus for manufacturing a three-dimensional object having a suture material having excellent water leakage resistance according to the present invention are intended to impart waterproofness to a seam having a curved surface. It can be applied to products such as boots, boots, trekking shoes, winter boots, hats, hoods, gloves, ski-like gloves, backpacks, natural fiber tents, etc. it can.
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- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96938514A EP0949060A4 (en) | 1996-05-07 | 1996-11-20 | LEAK-RESISTANT SEWED STRUCTURE, METHOD FOR THE PRODUCTION THEREOF AND HEAT TREATMENT DEVICE THEREFOR |
JP53972797A JP3253305B2 (ja) | 1996-05-07 | 1996-11-20 | 抗漏水縫合構造物、抗漏水縫合構造の形成方法及び縫合構造物の熱処理装置 |
NO19985191A NO311914B1 (no) | 1996-05-07 | 1998-11-06 | Anordning og fremgangsmåte ved vanntett, sydd konstruksjon og et varmebehandlingsapparat for denne |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP8/112750 | 1996-05-07 | ||
JP11275096 | 1996-05-07 |
Publications (1)
Publication Number | Publication Date |
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WO1997042024A1 true WO1997042024A1 (fr) | 1997-11-13 |
Family
ID=14594624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1996/003403 WO1997042024A1 (fr) | 1996-05-07 | 1996-11-20 | Structure cousue resistante aux fuites, son procede de creation et son dispositif de traitement thermique |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0949060A4 (ja) |
JP (1) | JP3253305B2 (ja) |
NO (1) | NO311914B1 (ja) |
TW (1) | TW310302B (ja) |
WO (1) | WO1997042024A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003088404A (ja) * | 2001-09-20 | 2003-03-25 | Achilles Corp | 導電性防水靴 |
KR200471577Y1 (ko) | 2012-03-20 | 2014-03-06 | 쳉-퉁 시아오 | 신발 상부 구조 |
CN110026017A (zh) * | 2018-01-12 | 2019-07-19 | 山东盛华投资有限责任公司 | 一种胶粘合筒状袋身纵缝的除尘滤袋 |
JP2020163788A (ja) * | 2019-03-29 | 2020-10-08 | リンテック株式会社 | 履物用高周波誘電加熱接着シート、履物及び履物の製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108294410A (zh) * | 2017-01-13 | 2018-07-20 | 南宝树脂化学工厂股份有限公司 | 一种利用树脂使鞋面定型及耐磨的方法 |
FR3095926B1 (fr) * | 2019-05-14 | 2021-04-30 | Mfc | chaussure et son procédé de démontage |
CN114190649B (zh) * | 2021-12-22 | 2022-07-26 | 广州大草原鞋业有限公司 | 一种防水登山鞋的制作工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04269901A (ja) | 1991-02-23 | 1992-09-25 | Moon Star Co | 靴胛被の防水法 |
JPH0732510A (ja) * | 1993-07-23 | 1995-02-03 | Asahi Chem Ind Co Ltd | 防水性靴の製造法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2528491A (en) * | 1947-12-24 | 1950-11-07 | United Shoe Machinery Corp | Shoemaking apparatus |
US2658213A (en) * | 1948-10-22 | 1953-11-10 | United Shoe Machinery Corp | High-frequency sole attaching |
GB873347A (en) * | 1956-10-24 | 1961-07-26 | Baxter Brothers And Company Lt | Improvements in or relating to plastic coated or impregnated fabrics |
GB870453A (en) * | 1957-08-08 | 1961-06-14 | Communications Patents Ltd | Improvements in and relating to the seaming of sheet material |
GB2071564A (en) * | 1980-01-28 | 1981-09-23 | Clares Carlton Ltd | Improvements in and relating to the manufacture of protective clothing |
FI73011C (fi) * | 1983-09-12 | 1987-08-10 | Lasse Liukko | Foerfarande foer tillverkning av en soem. |
JPH06246076A (ja) * | 1993-02-25 | 1994-09-06 | Asahi Chem Ind Co Ltd | 防水性衣料の製造法 |
GB9410410D0 (en) * | 1994-05-23 | 1994-07-13 | Law Trading Company The Limite | Footwear item |
JPH0892868A (ja) * | 1994-09-27 | 1996-04-09 | Asahi Chem Ind Co Ltd | 防水性縫目構造を有する防水布帛およびその製造方法 |
-
1996
- 1996-11-20 EP EP96938514A patent/EP0949060A4/en not_active Withdrawn
- 1996-11-20 JP JP53972797A patent/JP3253305B2/ja not_active Expired - Fee Related
- 1996-11-20 WO PCT/JP1996/003403 patent/WO1997042024A1/ja not_active Application Discontinuation
- 1996-11-25 TW TW085114533A patent/TW310302B/zh active
-
1998
- 1998-11-06 NO NO19985191A patent/NO311914B1/no unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04269901A (ja) | 1991-02-23 | 1992-09-25 | Moon Star Co | 靴胛被の防水法 |
JPH0732510A (ja) * | 1993-07-23 | 1995-02-03 | Asahi Chem Ind Co Ltd | 防水性靴の製造法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0949060A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003088404A (ja) * | 2001-09-20 | 2003-03-25 | Achilles Corp | 導電性防水靴 |
KR200471577Y1 (ko) | 2012-03-20 | 2014-03-06 | 쳉-퉁 시아오 | 신발 상부 구조 |
CN110026017A (zh) * | 2018-01-12 | 2019-07-19 | 山东盛华投资有限责任公司 | 一种胶粘合筒状袋身纵缝的除尘滤袋 |
JP2020163788A (ja) * | 2019-03-29 | 2020-10-08 | リンテック株式会社 | 履物用高周波誘電加熱接着シート、履物及び履物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
NO311914B1 (no) | 2002-02-18 |
EP0949060A4 (en) | 2004-08-25 |
JP3253305B2 (ja) | 2002-02-04 |
TW310302B (en) | 1997-07-11 |
NO985191D0 (no) | 1998-11-06 |
NO985191L (no) | 1999-01-07 |
EP0949060A1 (en) | 1999-10-13 |
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