CN107232685A - Method for making moisture-permeable waterproof shoes - Google Patents

Abstract

A method for making a breathable waterproof shoe comprises the following steps: (A) applying a breathable waterproof resin on a release paper to form a coating, and drying and curing the coating to form a breathable waterproof membrane; (B) laminating an outer base fabric to the breathable waterproof membrane, then separating the release paper from the breathable waterproof membrane, and finally laminating an inner lining fabric to the surface of the outer base fabric opposite to the breathable waterproof membrane, thereby obtaining a breathable waterproof fabric; (C) sewing the breathable waterproof fabric pieces into a shoe upper, wherein the inner lining fabric of the shoe upper defines a wearing space for a foot to be inserted into; (D) performing waterproof treatment on the seams of the shoe upper; and (E) inserting a shoe last into the wearing space, then laminating the shoe upper with a sole, and then moving the shoe last out of the wearing space, thereby completing the manufacture of a breathable waterproof shoe.

Description

Method for making moisture-permeable waterproof shoes

technical field

The invention relates to a method for manufacturing shoes, in particular to a method for manufacturing moisture-permeable waterproof shoes.

Background technique

At present, shoes are a very mature technical field with many types, such as casual shoes, sports shoes, long and short boots and rain boots, etc. Among them, casual shoes, sports shoes and long and short shoes with uppers made of cloth, textiles or natural leather When wearing boots, etc., the advantage is that it can effectively discharge the sweat and moisture emitted by the feet. On the contrary, the disadvantage is that it cannot prevent the infiltration of external moisture.

However, when wearing and using synthetic leather casual shoes, sports shoes, long and short boots, etc., the advantage is that it can effectively prevent external water from penetrating. On the contrary, the disadvantage is that the sweat and moisture emitted from the upper feet cannot It is effectively discharged, so that the wearing experience of the feet is quite stuffy and uncomfortable. Moreover, waterproof strips or waterproof glue must be applied to the seams of the vamp to make the above-mentioned synthetic leather shoes and boots fully waterproof. Effect.

In addition, the rain boots are made of rubber (rubber) material and injection molded. Because the rubber itself has a waterproof function, and the rain boots are integrally molded without gaps, it can provide waterproof for the user's feet. function.

But the above-mentioned rain boots made of rubber have the following disadvantages in wearing and using: 1. Because the rubber material is relatively dense, the above-mentioned rubber rain boots are relatively stiff and heavy in weight. Large loads and bending resistance create discomfort. 2. Although the above-mentioned rubber rain boots are waterproof, they cannot drain moisture from the inside to the outside. Therefore, after wearing for a long time, the sweat and moisture discharged from the user's feet cannot be discharged and accumulate in the rain boots, thereby making the feet dry. The wearing experience is quite stuffy and uncomfortable.

Contents of the invention

The object of the present invention is to provide a method for manufacturing moisture-permeable and waterproof shoes that are light in weight and capable of achieving moisture-permeable and waterproof effects on the entire upper.

The method for making moisture-permeable waterproof shoes of the present invention comprises the following steps:

(A) coating the moisture-permeable waterproof resin on a release surface of a release paper to form a coating, and drying and curing the coating into a moisture-permeable waterproof film;

(B) Provide an outer base fabric and an inner lining cloth, attach the outer base fabric to the moisture-permeable waterproof membrane, then separate the release paper from the moisture-permeable waterproof membrane, and finally attach the inner fabric to the moisture-permeable waterproof membrane The outer base fabric is opposite to the surface of the moisture-permeable waterproof membrane, and the outer base fabric and the inner lining that are bonded together form a cloth substrate, and the cloth substrate and the moisture-permeable waterproof membrane that are bonded together are A moisture-permeable waterproof cloth;

(C) After the moisture-permeable and waterproof fabric is cut into a plurality of upper cut pieces, the upper cut pieces are sewn into a shoe upper, and the inner lining of the upper defines a shoe that can be worn by one foot. Enter the set-up space;

(D) Carry out waterproof treatment at the seams of the upper to prevent water from entering the wearing space from the seams of the upper; and

(E) Insert a shoe last into the wearing space provided on the shoe upper to fix the shape of the shoe upper and prevent the shoe upper from being deformed by external force, then attach the shoe upper to a sole, and then The shoe tree is moved out of the wearing space of the shoe upper, and the manufacture of a moisture-permeable and waterproof shoe is completed.

Preferably, the cloth base material also has a foam layer disposed between the inner lining and the outer base cloth, and the foam layer is attached and fixed to the inner lining and the outer base cloth.

Preferably, the waterproofness of the moisture-permeable waterproof membrane measured under the standard test method for waterproofness of JIS L1092B is a hydrostatic pressure greater than 2000 mm of water column.

Preferably, the moisture permeability measured by the moisture permeability waterproof membrane under the standard test method of moisture permeability of JIS L1099B1 is greater than 2000g/m ² /24hr.

Preferably, the moisture-permeable waterproof resin is polyurethane resin.

Preferably, the waterproof treatment in the step (D) is to paste a waterproof strip covering the seams of the upper on the surface of the moisture-permeable waterproof membrane of the upper opposite to the outer base fabric.

Preferably, the release surface of the release paper is formed with concave-convex lines, so that the surface of the moisture-permeable waterproof membrane contacting the release surface is formed with corresponding concave-convex lines.

Preferably, one of pattern and texture is formed on the surface of the outer base fabric of the cloth substrate opposite to the inner fabric.

Preferably, the appearance surface of the moisture-permeable waterproof membrane formed on the upper and dried and cured is one of a glossy surface and a matte surface.

Preferably, the moisture-permeable waterproof film formed on the upper and dried and cured has a thickness ranging from 25 μm to 50 μm.

The beneficial effect of the present invention is that: a moisture-permeable waterproof fabric is prepared by forming a membrane, and then the moisture-permeable waterproof fabric is sewn into a shoe upper, and finally the waterproof treatment is carried out at the seam of the shoe upper. This allows the prepared moisture-permeable waterproof shoes to achieve the effect of moisture-permeable and waterproof on the entire upper, that is to say, the moisture-permeable waterproof shoes have the advantages of moisture-permeable and waterproof compared with existing fabrics, textiles or natural leather shoes. Compared with the existing synthetic leather shoes and rubber rain boots, it has the advantage of moisture permeability. Moreover, the cloth base material adopts the two-layer structure of the outer base cloth and the inner cloth, which is better than the existing natural leather or synthetic leather. The weight of leather uppers and rubber uppers can be effectively and greatly reduced, and the obtained moisture-permeable waterproof shoes can achieve the effect of being soft and comfortable to wear with light weight. Finally, the present invention cuts the moisture-permeable waterproof fabric Then the upper is sewn into the shoe upper. Compared with the existing rain boots, which are integrally molded by injection molding, not only can the development and manufacture of the mold be eliminated, but also by cutting the moisture-permeable waterproof fabric into different shapes of shoe upper pieces, Moisture-permeable and waterproof shoes of different shoe types can be produced, such as casual shoes, sports shoes, and long and short shoes.

Description of drawings

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein:

Fig. 1 is a flow chart of an embodiment of the method for making moisture-permeable waterproof shoes of the present invention;

Fig. 2 is a schematic diagram illustrating a step (A) of this embodiment: coating a moisture-permeable waterproof resin on a release paper to form a coating, and making the coating dry and solidify into a moisture-permeable waterproof film;

Fig. 3 is a schematic diagram illustrating a sub-step of a step (B) of this embodiment: attaching an outer base fabric to the moisture-permeable waterproof membrane;

Fig. 4 is a schematic diagram illustrating the sub-step of the step (B) of the embodiment: separating the release paper from the moisture-permeable waterproof membrane;

Fig. 5 is a schematic diagram illustrating the sub-step of the step (B) of this embodiment: attaching a foam layer and an inner inner layer to the outer base cloth to obtain a moisture-permeable waterproof cloth;

Fig. 6 is a schematic diagram illustrating the sub-steps of a step (C) of this embodiment: the moisture-permeable waterproof cloth cuts out a plurality of upper cuts;

Fig. 7 is a schematic diagram illustrating the sub-steps of the step (C) and a step (D) of the embodiment: sewing the vamp pieces into a vamp, and attaching last waterproof strip;

Fig. 8 is a schematic diagram illustrating a sub-step of a step (E) of this embodiment: a shoe tree is inserted into the threading space provided on the shoe upper to fix the shape of the shoe upper, and then the shoe upper Fits a sole;

Fig. 9 is a schematic diagram illustrating the sub-step of the step (E) of the embodiment: moving the last out of the space where the upper is worn, to obtain a moisture-permeable waterproof shoe;

Fig. 10 is a perspective view illustrating the appearance of the moisture-permeable waterproof shoes produced in this embodiment;

Figure 11 is a perspective view illustrating another change in the appearance of the moisture-permeable waterproof shoes produced in this embodiment; and

Fig. 12 is a perspective view illustrating another change in the appearance of the moisture-permeable waterproof shoe produced in this embodiment.

detailed description

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

One embodiment of the method for making moisture-permeable waterproof shoes of the present invention comprises the following steps:

Referring to Fig. 1 and Fig. 2, step (A) 100: apply the moisture-permeable waterproof resin 1 on a release surface 21 of a release paper 2 to form a coating 11, then the release paper 2 and the coating Layer 11 is put into an oven (not shown in the figure) with a heating temperature and a heating time, and the coating 11 is heated, dried and cured to form a moisture-permeable waterproof film 12, and the thickness of the moisture-permeable waterproof film 12 after drying and curing is between From 25μm to 50μm. In this embodiment, the moisture-permeable waterproof resin 1 is polyurethane (Polyurethane, PU) resin, but not limited thereto. The above-mentioned heating temperature and heating time can be adjusted depending on the type of the moisture-permeable waterproof resin 1 and the thickness of the moisture-permeable waterproof membrane 12 , and are respectively between 50° C. and 180° C. and 1 minute to 30 minutes. Preferably, the release surface 21 of the release paper 2 is also formed with concave-convex lines, so that the surface of the moisture-permeable waterproof membrane 12 contacting the release surface 2 is formed with corresponding concave-convex lines.

Referring to Fig. 1, Fig. 3, Fig. 4 and Fig. 5, step (B) 200: provide an outer base cloth 311, a foam layer 312 and an inner lining cloth 313, and attach the outer base cloth 311 to the The moisture-permeable waterproof membrane 12, then separate the release paper 2 from the moisture-permeable waterproof membrane 12, then attach the foam layer 312 to the surface of the outer base fabric 311 opposite to the moisture-permeable waterproof membrane 12, and then The inner lining 313 is pasted on the surface of the foam layer 312 opposite to the outer base cloth 311, and the outer base cloth 311, the foam layer 312 and the inner lining 313 bonded together form a cloth base material 31 , the foam layer 312 is connected between the outer base fabric 311 and the inner lining fabric 313 , and the cloth substrate 31 and the moisture-permeable waterproof membrane 12 bonded together constitute a moisture-permeable waterproof fabric 30 .

Referring to Fig. 1 and Fig. 6, step (C) 300: After cutting out the moisture-permeable waterproof fabric 30 into a plurality of vamp parts 32, then refer to Fig. 7, and sew the vamp parts 32 into a shoe The upper surface 3, the inner cloth 313 of the upper 3 defines a wearing space 33 for a foot to be inserted.

Referring to Fig. 1 and Fig. 7, step (D) 400: perform waterproof treatment on the joint 34 of the vamp 3, that is, the surface of the moisture-permeable waterproof membrane 12 of the vamp 3 opposite to the outer base fabric 311 Paste a waterproof strip 5 covering the joint 34 of the upper 3 to prevent water from entering the space 33 through the joint 34 of the upper 3 . Preferably, the waterproof treatment of the seams 34 of the upper 3 is not limited to the above, and a cover covering the inner lining 313 of the upper 3 opposite to the outer base cloth 311 can also be pasted. The waterproof strip 5 at the seam 34 of the vamp 3 may be replaced with the above-mentioned waterproof strip 5 by applying waterproof glue.

Referring to Fig. 1 and Fig. 8, step (E) 500: insert a shoe last 6 into the threading space 33 provided on the shoe upper 3 to fix the shape of the shoe upper 3 and prevent the shoe upper 3 from being deformed by external force , and then the shoe upper 3 is bonded with a sole 7 using the adhesive 4, and then referring to FIG. 9, the shoe last 6 is moved out of the wearing space 33 of the shoe upper 3, and the production of a moisture-permeable waterproof shoe is completed. .

The moisture-permeable waterproof membrane 12 of the above-mentioned shoe upper 3 has different structural forms depending on the type of the moisture-permeable waterproof resin 1, and can be roughly divided into porous membrane (porous membrane) and non-porous membrane (non-porous membrane). -porous membrane) two kinds. The porous film has micropores whose openings are much smaller than the volume of water droplets, so it can block the penetration of water and achieve the effect of waterproofing. However, the openings of the micropores are much larger than water vapor molecules, allowing water vapor to pass through. , so as to achieve the effect of moisture permeability. The non-porous film itself does not have micropores and can achieve the effect of waterproofing. However, the moisture permeability of the non-porous film is through the hydrophilic functional groups on one side of the film. After absorbing water vapor, it diffuses to the other side through capillary phenomenon. Hydrophobic functional groups, and then the air will remove moisture in a convective manner.

In this embodiment, the waterproof degree of the moisture-permeable waterproof membrane 12 measured under the waterproof standard test method of Japanese standard JIS L1092B is a hydrostatic pressure greater than 2000mm water column height, and the moisture permeability standard of Japanese standard JIS L1099B1 The moisture permeability measured under the test method is greater than 2000g/m ² /24hr.

It is worth mentioning that, referring to Fig. 10 and Fig. 11, the vamp 3 of the moisture-permeable waterproof shoes prepared by the present invention can be formed by the outer base cloth 311 of the cloth base material 31 being opposite to the inner cloth 313. Whether the surface treatment of the surface is formed with cortical texture 314 or not, combined with the material change of the moisture-permeable waterproof membrane 12, can present a variety of appearances, such as the appearance of reflective glossy patent leather (see Figure 10) or the appearance of matte imitation leather ( See Figure 11). Furthermore, referring to Fig. 12, a pattern 315 can be formed by printing on the surface of the outer base cloth 311 of the cloth base cloth 31 opposite to the surface of the inner cloth 313, and the material of the moisture-permeable waterproof membrane 12 can be selected from a transparent material, Thereby, the appearance of the moisture-permeable waterproof shoes can be more diversified. Preferably, the color and style of the waterproof strip 5 covering the seams 34 of the upper 3 can also be changed according to the design requirements of the moisture-permeable waterproof shoes.

What is more worth mentioning is that the moisture-permeable waterproof resin 1 can also be mixed with at least one of additives such as pigments, ultraviolet absorbers and antibacterial agents, so that the moisture-permeable waterproof film 12 of the shoe upper 3 can also have corresponding additives. Efficacy, such as color enhancement, anti-ultraviolet, antibacterial and so on.

It is also worth mentioning that the cloth substrate 31 is designed through the structure of the foam layer 312, so that the moisture-permeable waterproof shoes made by the present invention can achieve the effect of being soft and comfortable to wear while being lightweight. Other design requirements of the moisture-permeable waterproof shoes omit the foam layer 312, and use a cloth base material 31 that only includes an outer base cloth 311 and an inner cloth 313 that are attached and fixed together.

In summary, the method for making moisture-permeable waterproof shoes of the present invention has the following effects and advantages, so it can indeed achieve the purpose of the present invention:

1. Prepare a moisture-permeable waterproof fabric 30 by forming a film, then sew the moisture-permeable waterproof fabric 30 into a vamp 3, and finally cover and set a waterproof strip at the seam 34 of the vamp 3 5, whereby the moisture-permeable waterproof membrane 12 located on the surface of the outer base fabric 311 of the shoe upper 1 cooperates with the waterproof strip 5 covering the seams 34 of the shoe upper 3, so that the prepared moisture-permeable Waterproof shoes achieve the effect of moisture permeability and waterproof of the whole upper, that is to say, the moisture permeable waterproof shoes have the advantages of moisture permeability and waterproof compared with existing fabrics, textiles or natural leather shoes, and compared with existing synthetic leather shoes. Footwear and existing rubber rain boots have the advantage of moisture permeability.

2. The cloth base material 31 adopts the three-layer structure of the outer base cloth 311, the foam layer 312 and the inner cloth 313. Compared with natural leather or synthetic leather uppers and rubber uppers, its weight can be significantly reduced. reduce, and make the prepared moisture-permeable waterproof shoes achieve the effect of soft and comfortable wearing under light weight.

3. The present invention cuts the moisture-permeable waterproof fabric 30 and then sews it into the shoe upper 3. Compared with the existing rain boots, which are integrally injection-molded with a mold, not only can the development and manufacture of the mold be avoided, but also by using the The moisture-permeable and waterproof fabric 30 is cut into vamp pieces 32 of different shapes to produce moisture-permeable and waterproof shoes of different shoe shapes, such as casual shoes, sports shoes, and long and short boots.

4. The moisture-permeable and waterproof shoes prepared by the present invention can be treated by forming cortical lines 314 or patterns 315 on the surface of the outer base cloth 311 of the cloth base material 31 opposite to the surface of the inner cloth 313, or by When the film is formed, the concave-convex pattern of the release paper 2 is transferred and formed on the surface of the moisture-permeable waterproof membrane 12, and combined with the material change of the moisture-permeable waterproof membrane 12, the appearance of the moisture-permeable waterproof shoes can be more Variation. Furthermore, by changing the color and style of the waterproof strip 5 covering the seams 34 of the upper 3 , the variety of appearance designs of the moisture-permeable waterproof shoes can also be increased.

The above is only an embodiment of the present invention, and should not limit the scope of the present invention with this, that is, all simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description are still within the scope of this invention. the scope of the invention.

Claims (10)

1. A method for making moisture-permeable waterproof shoes, characterized in that: comprising the following steps: (A) coating the moisture-permeable waterproof resin on a release surface of a release paper to form a coating, and drying and curing the coating into a moisture-permeable waterproof film; (B) Provide an outer base fabric and an inner lining cloth, attach the outer base fabric to the moisture-permeable waterproof membrane, then separate the release paper from the moisture-permeable waterproof membrane, and finally attach the inner fabric to the moisture-permeable waterproof membrane The outer base fabric is opposite to the surface of the moisture-permeable waterproof membrane, and the outer base fabric and the inner lining that are bonded together form a cloth substrate, and the cloth substrate and the moisture-permeable waterproof membrane that are bonded together are is a moisture-permeable waterproof fabric; (C) After the moisture-permeable and waterproof fabric is cut into a plurality of upper cut pieces, the upper cut pieces are sewn into a shoe upper, and the inner lining of the upper defines a shoe that can be worn by one foot. Enter the set-up space; (D) Carry out waterproof treatment at the seams of the upper to prevent water from entering the wearing space from the seams of the upper; and (E) Insert a shoe last into the wearing space provided on the shoe upper to fix the shape of the shoe upper and prevent the shoe upper from being deformed by external force, then attach the shoe upper to a sole, and then The shoe tree is moved out of the wearing space of the shoe upper, and the manufacture of a moisture-permeable and waterproof shoe is completed. 2. The method for making moisture-permeable waterproof shoes according to claim 1, characterized in that: the cloth base material also has a foam layer arranged between the inner lining cloth and the outer base cloth, the foam layer and the outer base cloth The inner lining and the outer base cloth are bonded and fixed together. 3. The method for making moisture-permeable waterproof shoes according to claim 2, characterized in that: the waterproofness of the moisture-permeable waterproof membrane measured under the waterproofness standard test method of JIS L1092B is greater than 2000mm water column height hydrostatic pressure. 4. The method for making moisture-permeable waterproof shoes according to claim 3, characterized in that: the moisture-permeable waterproof membrane measured under the moisture-permeable standard test method of JIS L1099B1 is greater than 2000g/m ² /24hr. 5. The method for making moisture-permeable waterproof shoes according to claim 1, characterized in that: the moisture-permeable waterproof resin is polyurethane resin. 6. The method for making moisture-permeable waterproof shoes according to claim 1, characterized in that: the waterproof treatment in the step (D) is to attach the moisture-permeable waterproof film on the upper to the surface of the outer base cloth. A waterproof strip covering the seams of the upper. 7. The method for making moisture-permeable waterproof shoes according to claim 1, characterized in that: the release surface of the release paper is formed with concave-convex lines, so that the moisture-permeable waterproof film contacts the surface of the release surface to form There are corresponding concave and convex lines. 8 . The method for manufacturing moisture-permeable waterproof shoes according to claim 1 , wherein the outer base fabric of the cloth base material is formed with one of patterns and textures on a surface opposite to the inner fabric. 9. The method for making moisture-permeable waterproof shoes according to claim 1, characterized in that: the appearance surface of the moisture-permeable waterproof membrane formed on the upper and dried and solidified is one of a bright surface and a matte surface By. 10 . The method for manufacturing moisture-permeable waterproof shoes according to claim 1 , wherein the thickness of the moisture-permeable waterproof film formed on the upper and dried and cured is between 25 μm and 50 μm. 11 .