WO2020170474A1 - ３ｄフル成形の透湿防水ニットシューズの製造方法 - Google Patents

３ｄフル成形の透湿防水ニットシューズの製造方法 Download PDF

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Publication number
WO2020170474A1
WO2020170474A1 PCT/JP2019/031629 JP2019031629W WO2020170474A1 WO 2020170474 A1 WO2020170474 A1 WO 2020170474A1 JP 2019031629 W JP2019031629 W JP 2019031629W WO 2020170474 A1 WO2020170474 A1 WO 2020170474A1
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WO
WIPO (PCT)
Prior art keywords
moisture
permeable waterproof
waterproof film
outer shell
molded
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PCT/JP2019/031629
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English (en)
French (fr)
Japanese (ja)
Inventor
香枝 趙
Original Assignee
株式会社丸紅フットウェア
福建▲えい▼和新材料科技有限公司
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Application filed by 株式会社丸紅フットウェア, 福建▲えい▼和新材料科技有限公司 filed Critical 株式会社丸紅フットウェア
Priority to KR1020217025179A priority Critical patent/KR20210111306A/ko
Priority to JP2021501532A priority patent/JP7245316B2/ja
Priority to TW108129804A priority patent/TW202031162A/zh
Publication of WO2020170474A1 publication Critical patent/WO2020170474A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/02—Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting
    • B29D35/04—Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting having multilayered parts
    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • A43B9/16—Footwear with soles moulded on to uppers or welded on to uppers without adhesive
    • A43B9/18—Footwear with soles moulded on to uppers or welded on to uppers without adhesive moulded
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • A43B9/16—Footwear with soles moulded on to uppers or welded on to uppers without adhesive
    • A43B9/20—Footwear with soles moulded on to uppers or welded on to uppers without adhesive welded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure

Definitions

  • the present invention belongs to the field of shoe products, and more specifically relates to a 3D full-molded moisture-permeable waterproof knit shoe and a method for manufacturing the same.
  • CN108158107A discloses a method for manufacturing a rigid three-dimensional sock shoe. The method includes the following steps.
  • step (B) Initially molding the inner socks by covering the shoe socks with the inner socks of step (A) and then arranging the adhesive so as to cover the outer surface of the inner socks for the first time. Molding work with a shoe mold.
  • step (C) Cover the waterproof sock of step (B) with the inner sock, then arrange the adhesive so as to cover the outer surface of the waterproof cover for the second time, and then put the outer sock over the waterproof cover.
  • Waterproofing and external molding work that forms the first form of a three-dimensional sock with a molded external shape by covering it.
  • step (D) The initial form of the three-dimensional socks of the step (C) is dried together with the shoe so that the adhesive located between the inner socks and the waterproof cover becomes a molding bonding layer by heat.
  • the adhesive between the waterproof cover and the outer socks is cured by heat so as to form a molding bonding layer, whereby the inner socks, the waterproof cover and the outer socks are closely adhered to each other. Bonding work to form a waterproof three-dimensional sock that binds together to define the three-dimensional space of the foot and does not dent inward.
  • the adhesive is sprayed on the outer surface of the inner sock and the outer surface of the waterproof cover, and is cured by heat so as to form a molding bonding layer.
  • Spraying the adhesive onto the outer surface of the inner sock and the outer surface of the waterproof cover is complicated and reduces efficiency.
  • the molded bonding layer in which the adhesive is hardened by heat exerts a certain degree of influence on the breathability and moisture permeability of the sock shoe, and adversely affects the comfort of wearing.
  • CN204742767U discloses a waterproof and breathable sock shoe having a seamless and integral knit upper.
  • the socks shoes have an upper and a sole, and the upper has a structure of a three-layer composite material composed of an outer layer, an inner layer and an intermediate layer, and after the intermediate layer is placed between the inner layer and the outer layer, it is formed by hot melt. It is adhered and primary-molded, and the upper and the sole are integrally bonded by cement or vulcanization.
  • the intermediate layer has a waterproof and moisture-permeable film structure.
  • This utility model only discloses that the intermediate layer is placed between the inner layer and the outer layer, and then primary molding is performed by sticking with hot melt, but no specific manufacturing process is disclosed.
  • CN108433199A discloses a method for manufacturing a three-layer seamless composite waterproof sock.
  • an integral structure having a first sock portion and a second sock portion is woven by primary molding, and a foot mold is placed inside the first sock portion from a front opening of the first sock portion.
  • the first sock part is inserted and inserted into the second sock part, the seamless sock-shaped waterproof moisture-permeable polyurethane film cover is placed on the outer surface of the second sock part, and the first sock part is folded back toward the first sock part.
  • the front opening of the sock portion is sewn, the sock having the three-layer structure covered with the shoe shape is molded by heating, and the low-melting yarn is melted to melt the second sock portion, the polyurethane film cover, and the first sock portion.
  • the steps of fusing one sock portion together to form an integrated seamless composite waterproof sock are sequentially included.
  • the inner layer that is, the second sock portion
  • the polyurethane film cover and the outer layer (that is, the first sock portion) are integrally welded by melting using a core-sheath type low melting point yarn to form an integrated seamless sock.
  • a core-sheath type low melting point yarn to form an integrated seamless sock.
  • An object of the present invention is to provide a 3D full-molded moisture-permeable waterproof knit shoe which is easy to manufacture and comfortable to wear, and a manufacturing method thereof.
  • a shoe shell molding step of integrally manufacturing an inner shell and an outer shell molded based on a preset shape According to the shape and size of the inner shell and the outer shell, a moisture-permeable waterproof film forming step of producing a moisture-permeable waterproof film having adhesive points on both surfaces, Including, The inner shell, the moisture-permeable waterproof film, and the outer shell are sequentially arranged from the inside to the outside so as to cover the shoe mold, A method of melting a bonding point on the moisture-permeable waterproof film by heating and fusing the inner shell, the moisture-permeable waterproof film and the outer shell to obtain a 3D full-molded moisture-permeable waterproof knit shoe.
  • a three-layer structure including an inner shell, a moisture-permeable waterproof film, and an outer shell is formed to manufacture a 3D full-molded moisture-permeable waterproof knit shoe. It will be easy.
  • the moisture-permeable waterproof film melts at the adhesive points and the inner shell, the moisture-permeable waterproof film, and the outer shell are integrated, the moisture-permeable waterproof film between the adhesive points is flexible and fits the movement of the foot. Comfortable because it is elastic.
  • FIG. 1 is a schematic diagram for explaining a bag-shaped (shoe-shaped) moisture-permeable waterproof film according to an embodiment of the present invention.
  • FIG. 2 is a view showing a bag-shaped moisture-permeable waterproof film attached to a mold, the edge of which is clarified from the edge of FIG. 1.
  • FIG. 3 is a schematic view for explaining covering on the inner shell and outer shell shoe mold according to the embodiment of the present invention.
  • FIG. 4 is a schematic diagram for explaining covering the inner shell with a bag-shaped moisture-permeable waterproof film.
  • FIG. 5 is a schematic view for explaining that the outer shell is folded back and covered with a bag-shaped moisture-permeable waterproof film.
  • FIG. 6 is a schematic view showing a knit shoe that is a finished product according to an embodiment of the present invention.
  • the manufacturing method of the present invention is a shoe shell molding step of integrally manufacturing an inner shell and an outer shell molded based on a preset shape, and according to the shape and size of the inner shell and the outer shell. And a moisture-permeable waterproof film forming step for producing a moisture-permeable waterproof film having adhesive points on both sides thereof, the inner shell, the moisture-permeable waterproof film and the outer shell being sequentially covered from the inside to the outside with a shoe mold. And the adhesive points on the moisture-permeable waterproof film are melted by heating and the inner shell, the moisture-permeable waterproof film and the outer shell are fused to obtain a 3D full-molded moisture-permeable waterproof knit shoe.
  • the moisture-permeable waterproof film may be one in which adhesive points having a melting point lower than that of the moisture-permeable waterproof film are densely scattered on both sides of the moisture-permeable waterproof film.
  • only the bonding points may be melted, and each of the inner shell and the outer shell may be point-bonded to both sides of the moisture-permeable waterproof film.
  • the upper and lower molds heat and melt the periphery of the moisture-permeable waterproof film having a two-layer structure that matches the shape and size of the inner shell. By doing so, a bag shape may be obtained. By doing so, it is possible to manufacture an almost seamless 3D full-molded moisture-permeable waterproof knit shoe in which not only the inner shell and the outer shell but also the moisture-permeable waterproof film are sewn only at the necessary portions.
  • the moisture permeable waterproof film may be cut into individual moisture permeable waterproof films that can surround and cover the inner shell on the shoe last. In this case, a plurality of moisture-permeable waterproof films are required depending on the inner shell, but parts can be shared.
  • the temperature of the moisture-permeable waterproof film during heating and melting may be 100 to 120° C., and the time may be 4 to 5 s. If the heating temperature is lower than 100° C., the adhesive points of the moisture-permeable waterproof film will not melt. If the heating temperature exceeds 120°C, the moisture-permeable waterproof film melts and breaks. If it is shorter than 4 s, the bonding point does not melt when the heating temperature is 100° C. or higher and low. If the heating temperature is longer than 5 s and the heating temperature is 120° C. or lower, the moisture-permeable waterproof film will melt and break.
  • the inner shell is overlaid on the last and then the moisture permeable waterproof film is aspirated to be attached to the inner shell by a vacuum blister using a blister machine, and then the outer The shell may be placed over the moisture-permeable waterproof film. By doing so, the moisture-permeable waterproof film can be surely fitted to the inner shell.
  • the moisture-permeable waterproof film is lower than the upper end opening of the inner shell and/or the outer shell, and the inner shell, the moisture-permeable waterproof film, and the outer shell are integrated by fusing the adhesive points.
  • a foot insertion opening may be formed at the upper end opening of the outer shell.
  • an integrally molded inner shell and an integrally molded outer shell are manufactured by a knitting machine based on a preset shape, the toe portion of the inner shell is closed, and the toe of the outer shell is closed.
  • the part may be opened, and the upper end opening of the inner shell and the upper end opening of the outer shell may be integrally connected.
  • the outer shell and the inner shell are covered with the shoe mold, the outer shell is concentrated on the upper end of the shoe mold, and a moisture-permeable waterproof film is applied to the inner shell from the toe side of the inner shell.
  • the outer shell may be covered with a shell, the outer shell may be folded back so as to cover the moisture-permeable waterproof film, and the toe portion of the outer shell may be sewn. By doing so, it is easy to cover the moisture-permeable and waterproof film with the shoe mold, and it is easy to fold back the outer shell, which facilitates the manufacturing work.
  • the knit shoes and toes of the toes of the outer shell are sewn into a heating vacuum suction molding device, and the inner shell is formed by melting the adhesive points on both sides of the moisture-permeable waterproof film.
  • the moisture-permeable waterproof film and the outer shell may be fused together.
  • the inner shell, the moisture-permeable waterproof film, and the outer shell may be placed in a rapid cooling molding chamber, cooled and molded for 8 to 10 minutes, and then taken out. By doing so, the shape of the shoe can be stabilized as a whole.
  • the temperature in the quenching forming chamber is higher than 0° C., for example, about 5 to 10° C., cooling is performed for about 10 minutes.
  • the temperature of the quench forming chamber is 0° C. or lower. Molding becomes unstable when the time is shorter than 8 minutes, and the efficiency becomes poor when the time is longer than 10 minutes. Further, if it is higher than 0° C. and is, for example, 10° C. or higher, the cooling molding time becomes longer than 10 minutes and the manufacturing efficiency is deteriorated.
  • the distance between the centers of adjacent adhesive points in the moisture-permeable waterproof film may be 0.25 cm to 0.35 cm. In this way, the inner shell, the outer shell, and the moisture-permeable waterproof film are appropriately brought into close contact with each other, and the wearing comfort is flexible without hindering expansion and contraction. If the distance between the centers of adjacent adhesive points is shorter than 0.25 cm, the moisture-permeable waterproof film impairs the flexibility of the inner shell and the outer shell. If the distance between the centers of adjacent adhesive points is greater than 0.35 cm, the adhesion between the inner shell, the moisture-permeable waterproof film and the outer shell will be poor.
  • the diameter of the bond points before melting may be 0.08 cm to 0.12 cm. By doing so, the inner shell, the outer shell, and the moisture-permeable waterproof film can be brought into close contact with each other appropriately, and the wearing comfort is flexible without inhibiting expansion and contraction. If the diameter of the bonding point before melting is smaller than 0.08 cm, the adhesion of the inner shell, the outer shell, and the moisture-permeable waterproof film due to heat melting may become uncertain. If the diameter of the bonding point before melting is larger than 0.12 cm, the bonding point after melting due to heating and melting is partially hardened, and the wearing comfort becomes poor.
  • the 3D full-molded moisture-permeable waterproof knit shoe of the present invention is manufactured by at least one manufacturing method described above. That is, a 3D full-molded moisture-permeable waterproof knit shoe is provided with an inner shell, a moisture-permeable waterproof film and an outer shell that are fused together, and the moisture-permeable waterproof film is heated at dot-shaped adhesive points scattered on both sides thereof.
  • the inner shell and the outer shell are integrally fused by melting. With this structure, the three layers of the inner shell, the moisture-permeable waterproof film, and the outer shell can be integrally expanded and contracted to fit the movement of the foot.
  • the adhesion points after fusion may still be separated from each other. With this configuration, the adhesive points are not welded to each other and the moisture-permeable waterproof film is not partially cured.
  • the center-to-center distance between adjacent adhesive points is 0.2 cm to 0.4 cm.
  • the inner shell, the outer shell, and the moisture-permeable waterproof film are appropriately brought into close contact with each other, and the wearing comfort is flexible without hindering expansion and contraction. If the distance between the centers of adjacent adhesive points is less than 0.2 cm, the moisture-permeable waterproof film impairs the flexibility of the inner shell and the outer shell. If the distance between the centers of adjacent adhesive points is greater than 0.4 cm, the adhesion between the inner shell, the moisture-permeable waterproof film and the outer shell will be poor.
  • the distance between the centers of adjacent adhesive points is 0.25 cm to 0.35 cm.
  • the diameter of the bond points before melting is 0.08 cm to 0.12 cm. With this configuration, the inner shell, the outer shell, and the moisture-permeable waterproof film are appropriately brought into close contact with each other, and the wearing comfort is flexible without inhibiting expansion and contraction. If the diameter of the bonding points before melting is smaller than 0.08 cm, the adhesion of the inner shell, the outer shell, and the moisture-permeable waterproof film due to heat melting may become uncertain. If the diameter of the bonding point before melting is larger than 0.12 cm, the bonding point after melting due to heating and melting is partially hardened, and the wearing comfort becomes poor.
  • the method of manufacturing the 3D full-molded, moisture-permeable and waterproof knit shoe of the present invention is simple in work, the labor intensity of the worker can be reduced. Further, the breathable waterproof knit shoes produced by the method of the present invention are comfortable to wear, have light weight and waterproof properties, have good breathability both inside and outside, and are excellent in practicality.
  • Example 1 provides a 3D full-molded breathable waterproof knit shoe, the manufacturing method of which includes the following steps. (1) A shoe shell molding step of integrally manufacturing an inner shell and an outer shell molded according to a preset shape.
  • both sides of the moisture-permeable waterproof film are subjected to processing of adhesive points.
  • step (1) the order of the shoe shell forming step (step (1)) and the moisture-permeable waterproof film forming step (step (2)) can be exchanged with each other, and the two steps may be performed at the same time.
  • the moisture permeable waterproof film is sucked so that it is attached to the inner shell by a vacuum blister using a blister machine
  • the outer shell is placed over the shoe mold, and then, for example, heated and melted at a temperature of 100°C for 5 s to seamlessly weld the inner shell, the moisture-permeable waterproof film and the outer shell, and to the upper end opening of the outer shell.
  • An insertion hole for the foot may be formed to obtain a 3D full-molded breathable waterproof knit shoe.
  • 3D full molding means that the inner shell and the outer shell are integrally molded together in three dimensions (that is, including the sole portion) according to the shoe shape.
  • the moisture-permeable waterproof means that moisture (including air and water) in the shoe can be released to the outside, but external water cannot enter the shoe.
  • the knit shoes of the present invention can be directly used as, for example, indoor shoes.
  • the knit shoes of the present invention can also be called socks shoes or socks.
  • another sole may be further added to the sole of the knit shoe of the present invention to use the knit shoe of the present invention as an outdoor shoe.
  • the main body is the knit shoe before adding another sole of the present invention.
  • the main body and another sole can be integrated by, for example, bonding.
  • the inner shell and outer shell of the present invention can have the same shape (or sock shape) of a complete shoe. Therefore, the inner shell and the outer shell can be manufactured by a process similar to the manufacturing process of the socks, the manufacturing process is simple, and the cost of funds for the device can be reduced.
  • the knit shoes of the present invention may be deodorant/antibacterial knit shoes.
  • the inner shell and outer shell can be woven with threads having deodorant and antibacterial properties.
  • the thread used in the present invention especially the thread used for the outer shell, may be a waterproof thread, which can further enhance the waterproof effect of the entire knit shoe.
  • the melting point of the adhesive point is lower than the melting point of the moisture-permeable waterproof film, and the adhesive points are densely scattered in a dot shape on both sides of the moisture-permeable waterproof film, so that after heating and melting, the inner shell, the moisture-permeable waterproof film,
  • the outer shell is welded seamlessly.
  • "seamlessly welded” means that the bonding points before and after fusion are separated from each other. After fusion bonding, the outer shell is flat when viewed from the outside of the outer shell, and the inner shell and the outer shell do not appear to be layered via the moisture-permeable waterproof film.
  • the inner shell and outer shell integrally to the moisture-permeable waterproof film After heating and melting, it is preferable to fuse the inner shell and outer shell integrally to the moisture-permeable waterproof film by melting only the adhesion points.
  • the outer shell and the inner shell are not impregnated with a material that melts during heating and the moisture-permeable waterproof film itself does not melt during heating.
  • the inventor has shown that when the distance between the centers of adjacent adhesive points is 0.2 cm to 0.4 cm, a particularly excellent adhesive effect can be obtained without reducing the moisture permeability and the comfort of wearing. I understood.
  • the distance between the centers of adjacent adhesive points be 0.25 cm to 0.35 cm.
  • the diameter of the bonding point before melting may be 0.08 cm to 0.12 cm.
  • the two layers of moisture-permeable waterproof film are heated and melted in the mold to form a bag-shaped moisture-permeable waterproof film that matches the shape and size of the inner shell.
  • FIG. 1 is a schematic view showing a bag-shaped (shoe-shaped) moisture-permeable waterproof film 10 according to the present invention.
  • FIG. 1 schematically shows a plurality of densely distributed bonding points 11.
  • the edge of the bag-shaped moisture-permeable waterproof film 10 is attached by hot melt.
  • an adhesive is applied in dots on both sides of the moisture-permeable waterproof film, and after the adhesive points have hardened, a predetermined amount of the two moisture-permeable waterproof films that are overlapped together is specified.
  • the adhesive point at the position (the edge of the bag-shaped moisture permeable waterproof film 10) is heated and melted and then cut to manufacture the bag-shaped moisture permeable waterproof film 10.
  • the temperature of this heating and melting is, for example, about 150° C.
  • the time is, for example, about 20 s.
  • FIG. 2 shows the bag-shaped moisture-permeable waterproof film 10 attached to the mold, so that the edge 12 thereof is clear from the edge of FIG. 1 and 2 are merely exemplary, and it is preferable that the adhesive points are evenly distributed on the moisture-permeable waterproof film.
  • the moisture-permeable waterproof film forming step the moisture-permeable waterproof film is cut into individual moisture-permeable waterproof films that can surround and cover the inner shell on the shoe mold. At this time, the manufacturing process of the moisture-permeable waterproof film becomes simpler.
  • the inner shell and the outer shell Before the inner shell and the outer shell are placed on the shoe mold, the inner shell and the outer shell may be separated from each other, and the toe portions of the inner shell and the outer shell may be closed.
  • the moisture-permeable waterproof film (particularly the individual moisture-permeable waterproof film) so that it is attached to the inner shell with a vacuum blister using a blister machine, and then
  • the outer shell may be arranged so as to cover the moisture-permeable waterproof film.
  • the suction port of the blister machine may be inserted into a shoe mold having a cavity, and a plurality of holes communicating with the cavity may be provided on the surface of the shoe mold supporting the inner shell.
  • the moisture-permeable waterproof film and the outer shell have been fused, a screw hole may be formed at the upper end of the outer shell. Since the screw cap has the rubber rod-shaped portion, the moisture-permeable waterproof film is not fused at the screw cap. Therefore, the moisture-permeable waterproof film may be lower than the upper end openings of the inner shell and/or the outer shell.
  • the upper end opening of the outer shell is, for example, 1.5 cm to 3 cm higher than the upper end opening of the inner shell, and after fusion, the upper end opening of the outer shell may be folded back inward and sewn integrally with the upper end opening of the outer shell. Good. In this way, the top openings of the shoes are aligned, and the overall shoes become more beautiful.
  • Example 2 provides a 3D full-molded breathable waterproof knit shoe, the manufacturing method of which includes the following steps.
  • an inner shell and an outer shell which are integrally molded based on a preset shape, are manufactured by a knitting machine.
  • Example 3 provides a 3D fully molded, breathable waterproof knit shoe, the manufacturing method of which includes the following steps. (1) First, an inner shell and an outer shell that are integrally molded based on a preset shape are manufactured by a knitting machine.
  • a moisture-permeable waterproof film is manufactured according to the sizes of the inner shell and the outer shell. During the production of the moisture-permeable waterproof film, in particular, before forming the moisture-permeable waterproof film into a shape that fits the inner shell and the outer shell, both sides of the moisture-permeable waterproof film are subjected to processing of adhesive points.
  • the manufacturing method of the 3D full-molded, moisture-permeable and waterproof knit shoe of the present invention is simple in work, so that the labor intensity of the worker can be reduced.
  • the knit shoes manufactured by the manufacturing method of the present invention are comfortable to wear, have lightness and waterproofness, have good breathability both inside and outside, have deodorant and antibacterial properties, and are practical. Are better.
  • Example 4 provides a 3D full molded, breathable waterproof knit shoe.
  • the inner shell 20 and the outer shell 30 that are integrally formed based on a preset shape are manufactured by a knitting machine, and the toe portion 21 of the inner shell 20 is When closed, the toe part 31 of the outer shell 30 is opened, and the upper end opening 22 of the inner shell 20 and the upper end opening 32 of the outer shell 30 are integrally molded and integrally connected.
  • the inner shell 20, the moisture-permeable waterproof film 10 and the outer shell 30 can be put on the shoe last 40 as follows.
  • the inner shell 20 and the outer shell 30 are integrally covered, and the shoe mold 40 is attached to the inner shell 20 and the outer shell 30 from the upper end openings 22 and 32 of the inner shell 20 and the outer shell 30.
  • the outer shell 30 is folded back so as to cover the moisture-permeable waterproof film 10. It is understood that by firmly tightening the upper end opening 13 of the moisture permeable waterproof film 10 to the outer shell 30, it is possible to prevent the upper end opening 13 of the moisture permeable waterproof film 10 from being displaced or coming off when the outer shell 30 is folded back. right. Then, the toe part 31 of the outer shell 30 is sewn.
  • the outer shell 30 does not have to be completely stuck/overlapped with the inner shell 20, but the outer shell 30 and the inner shell 20 are put on the last 40. After that, it will be appreciated that the inner shell 20 is laid flat on the last 40 and the outer shell 30 is concentrated at the upper end of the last 40.
  • the knit shoes and the shoe mold 40 after the toe part 31 of the outer shell 30 is sewn together are put into a heating vacuum suction molding device, and the temperature of the device can be set to 130°C to 150°C for 12 minutes to 18 minutes. It can be maintained for a minute, and the inner shell 20, the moisture permeable waterproof film 10 and the outer shell 30 are fused by melting the adhesion points on both sides of the moisture permeable waterproof film 10.
  • the cooling molding time may be, for example, about 8 minutes, which shortens the manufacturing time and enables reliable and stable molding.
  • the fourth embodiment can exert the same advantageous effects as those of the first to third embodiments.
  • the vacuum suction step of the blister machine can be omitted, so that the shoe-shaped structure can be simplified and the device can be used. It is possible to reduce the input of funds.
  • a plurality of knit shoes can be heated and molded at the same time in the same heating vacuum suction molding device, so that the production efficiency is improved.
  • a blister machine may be used when placing the moisture-permeable waterproof film and the outer shell on the shoe mold.
  • Bag-shaped moisture-permeable waterproof film 11 Adhesive point 12 Edge 13 Upper-end mouth of bag-shaped moisture-permeable waterproof film 20 Inner shell 21 Inner shell toe 22 22 Inner shell upper-end 30 Outer shell 31 Outer shell toe 32 Upper shell mouth of outer shell 40 Shoe type 100 Knit shoes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
PCT/JP2019/031629 2019-02-22 2019-08-09 ３ｄフル成形の透湿防水ニットシューズの製造方法 WO2020170474A1 (ja)

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JP2021501532A JP7245316B2 (ja) 2019-02-22 2019-08-09 ３ｄフル成形の透湿防水ニットシューズの製造方法
TW108129804A TW202031162A (zh) 2019-02-22 2019-08-21 3d全成型透濕防水針織鞋的製造方法

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009219786A (ja) * 2008-03-18 2009-10-01 Japan Gore Tex Inc ランニングシューズ
CN108433199A (zh) * 2018-02-09 2018-08-24 青岛即发集团股份有限公司 三层无缝复合防水袜的制作方法

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DK2238851T3 (da) * 2009-04-10 2012-10-01 Geox Spa Fremgangsmåde til fremstilling af en vandtæt og dampgennemtrængelig sko
CN204742767U (zh) 2015-07-03 2015-11-11 上海智宇国际贸易有限公司 无缝一体针织鞋面防水透湿袜子鞋
TWI616149B (zh) * 2016-12-07 2018-03-01 Shuang Bang Ind Corp 具挺性之立體襪鞋的製造方法
CN108391890A (zh) * 2018-02-09 2018-08-14 青岛即发集团股份有限公司 三层无缝复合防水鞋的制作方法
CN108835768A (zh) * 2018-04-19 2018-11-20 金华市博益飞科技有限公司 防水透气鞋及其制备方法
CN210120923U (zh) * 2019-02-22 2020-03-03 丸红鞋业株式会社 3d全成型透湿防水针织鞋

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009219786A (ja) * 2008-03-18 2009-10-01 Japan Gore Tex Inc ランニングシューズ
CN108433199A (zh) * 2018-02-09 2018-08-24 青岛即发集团股份有限公司 三层无缝复合防水袜的制作方法

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CN110613204B (zh) 2021-11-26
JPWO2020170474A1 (ja) 2021-10-14

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