JPH0833508A - Shoes with flexible skin - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a shoe that retains shape retention of the skin even when the skin is manufactured from a highly flexible material and does not easily get tired when walking. [Structure] The shoe 1 includes a leather 2 and a shoe sole 3. A reinforcing cloth 4 is provided on the back surface of the scabbard 2 from the toe-equivalent portion 5 to the mouth edge portion 6. The skin 2 uses a thin, flexible synthetic leather 21 as a surface material. On the back side of the skin 2, a strip-shaped thick reinforcing cloth 4 is adhered with an adhesive from the toe-equivalent portion 5 to the mouth edge portion 6. The reinforcing cloth 4 is integrally sewn with a stitch thread 7.
Reference numeral 8 is a slit for expanding the skin, and 9 is a lace 1.
It is an eyelet that passes 0.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe having a flexible skin, and more specifically, a reinforcing cloth is stretched from the portion corresponding to the toes to the mouth edge portion, whereby the shape of the skin is lost. The present invention relates to shoes in which wrinkles are prevented from being generated on the skin and the skin.

[0002]

2. Description of the Related Art Thin and flexible synthetic leather has been developed. When this synthetic leather is used as a leather material for shoes, it is possible to provide a shoe which is excellent in wearing feeling due to its flexibility. However, on the other hand, the skin is flexible and easily loses its shape. Therefore, Japanese Utility Model Laid-Open No. 2-6510 discloses a shoe in which a reinforcing cloth made of a non-stretchable woven or non-woven fabric is laminated from the toe-equivalent portion of the skin material to the heel-equivalent portion and along the periphery of the shoe sole joining side. Is proposed. This shoe is effective in solving the above problems.

When a person walks, the foot bends at the base of the toe, unlike the stationary state. For this reason, shoes are difficult to walk unless the flexibility at the base of the toes is good. It is a daily experience that when you wear new leather shoes, you will feel uncomfortable until you feel comfortable with your feet, that is, until you bend easily.

In the shoe disclosed in Japanese Utility Model Laid-Open No. 2-6510, the reinforcing cloth is laminated along the side peripheral edge of the shoe, that is, along the rising portion of the side surface of the shoe. Are parallel to each other, that is, the reinforcing cloth is standing. Therefore, tensile stress is applied to the lower edge side of the reinforcing cloth, and compressive stress is applied to the upper edge side, but since the reinforcing cloth has a property of being difficult to stretch, the stress is added,
It has an essential problem that it causes walking resistance and tends to get tired.

Further, when the reinforcing cloth is cut into an arch shape and attached to the back surface of the scabbard, it takes time and effort to adhere the outer peripheral edge of the scabbard and the reinforcing cloth while superposing them.
Furthermore, the scabbard is hooked (installed) on the last (foot model) to mold the shoe sole, but the toe part is stretched greatly because the most force is applied when wearing it on the foot model. Therefore, when the mold is removed, the contraction is large. Therefore, there is a problem in that the toe portion is wrinkled or deformed due to expansion and contraction of the skin.

[0006]

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a shoe which retains its shape retention property and is less tired even when it is made of a highly flexible material.

[0007]

The structure of the invention taken to achieve the above object is as follows. According to a first aspect of the present invention, there is provided a shoe having a flexible skin, the shoe including a foamed sheet made of plastic or rubber having flexibility and stretchability in at least one layer thereof, and having a surface. A scabbard formed of a laminated body including thin flexible synthetic leather or cloth, and a shoe sole integrally joined to the lower edge of the scabbard by injection molding are provided. A shoe having a flexible leather skin, in which a reinforcing cloth is stretched from the toe-corresponding portion to the mouth edge portion on the back surface of the shoe.

According to a second aspect of the present invention, there is provided a shoe having a flexible skin, which comprises at least one layer of a flexible or stretchable plastic or rubber foam sheet. A scabbard formed of a laminated body having a thin and flexible synthetic leather or cloth on the surface thereof, and a shoe sole in which the lower edge of the scabbard is integrally joined by injection molding, Reinforcement cloth is attached to the back of the scabbard area from the area corresponding to the toe to the edge of the toe, and the area corresponding to the toe of the reinforcing cloth is formed with enlarged reinforcement parts on the left and right sides. The heel-side end of the shoe is a shoe having a flexible scabbard, which is near the base of the toes and does not substantially reach the bent portion during walking.

According to a third aspect of the present invention, there is provided a shoe having a flexible skin, which comprises a plastic or rubber foam sheet having flexibility and stretchability in at least one layer thereof. A stretchable knitted fabric attached to the foamed sheet, and a scabbard formed by a laminate having thin flexible synthetic leather or cloth on the surface, and the lower edge of the scabbard. And a sole that is integrally joined by injection molding, and a flexible cloth in which a reinforcing cloth is adhered from the part corresponding to the toe to the mouth edge part on the back side of the scabbard part. With shoes.

The manufacturing process of the shoe according to the present invention will be described.
The manufacturing process can be roughly divided into two steps. 1. Cleavage sewing process Thin synthetic leather, which is a crust, is made by lining (adhering with an adhesive) a base fabric (woven fabric or non-woven fabric) at the stage of the sheet on the back side of a single sheet of flexible polyurethane or vinyl chloride. Manufactured. Then, a foamed sheet made of plastic or rubber, for example, a urethane foam sheet, and an elastic knitted cloth, for example, a tricot sheet (tricot nylon sheet) are adhered in this order on the base fabric to obtain a sheet for scalp. This sheet is punched with a blade having a required shape to obtain a sword skin material. Separately, a reinforcing sheet made of a woven fabric or a non-woven fabric is punched with a blade having a required shape to obtain a reinforcing fabric. As the reinforcing cloth, cloth foil such as woven cloth, knitted cloth and non-woven cloth, or those obtained by laminating these are suitable, but leather or synthetic resin sheet having poor elasticity can also be used.

Next, a sewing process is started. As a preparatory process, a reinforcing cloth is attached to the tricot sheet side of the scabbard material with an adhesive or the like. Next, a sewing machine is used to perform a necessary sewing operation such as sewing a tape covering a cut surface such as a shoe opening or stitching, and obtaining a scabbard.

2. Shoe sole injection molding step After the scabbard obtained in the above step is fished into the last, the resin material for molding the shoe sole is injection-molded to form the sole and simultaneously join the scabbard.

Conventionally, in the shoe sole injection molding process, when the scabbard is pulled into the last, a large pulling force is applied to the scabbard, which causes the scabbard to stretch. I was formed and the value of the product was reduced. However, according to the present invention, the reinforcing cloth prevents stretching of the skin when the skin is covered with the last.

[0014]

The present invention will be described in more detail based on the embodiments shown in the drawings. FIG. 1 is a perspective view showing an embodiment of a shoe according to the present invention, and FIG. 2 is a plan view of the shoe shown in FIG. Reference numeral 1 indicates a shoe 1 according to the present invention. The shoe 1 includes a leather 2 and a sole 3. A reinforcing cloth 4 is provided on the back surface of the scabbard 2 from the toe-equivalent portion 5 to the mouth edge portion 6.

FIG. 3 is shown. FIG. 3 is a sectional view taken along the line AA of FIG. The skin 2 is a thin (about 0.5 mm thick in this embodiment) soft synthetic leather 21 as the surface material.
Are using. In this embodiment, urethane resin leather is used as the synthetic leather, but nylon cloth or cotton cloth may be used instead.

On the back side of the synthetic leather 21, a base cloth 22 made of cotton cloth is attached by an adhesive. A urethane foam 23, which is a foamed sheet, is attached to the back side of the base cloth 22 with an adhesive. Further, a tricot nylon sheet 24, which is a stretchable knitted fabric, is adhered to the back side thereof with an adhesive.

Further, on the back side thereof, a band-shaped thick reinforcing cloth 4 is adhered with an adhesive from the toe-corresponding portion 5 to the mouth edge portion 6. Then synthetic leather 21, base cloth 22,
Urethane foam 23, tricot nylon sheet 2
4. The reinforcing cloth 4 is integrally sewn with the stitch thread 7.

Reference numeral 8 is a slit for expanding the skin, and 9 is an eyelet through which the shoelace 10 is passed. The attachment portion of the eyelet 9 receives force when pulling the shoelace 10,
It is easily damaged and needs to be reinforced. In this embodiment, since the reinforcing cloth 4 is stretched up to the wearer's mouth edge portion 6, it is not necessary to provide any other reinforcing means, and the manufacturing process can be reduced correspondingly, improving the production efficiency and the production cost. It can be lowered.

Operation As described above, in the shoe according to this embodiment, the reinforcing cloth 4 is stretched from the toe-equivalent portion 5 to the mouth edge portion 6. That is, the surface direction of the reinforcing cloth 4 is arranged at right angles to the bending direction of the shoe. For this reason, the generation of stress that causes walking resistance is prevented, and shoes that are easy to walk can be provided.

Further, when fishing into the last to mold the shoe sole, the whole scabbard 2 is pulled, but since the reinforcing cloth 4 is provided from the toe-corresponding portion 5 to the mouth edge portion 6. It is possible to prevent elongation of the skin 2 during mounting and contraction during demolding, thus preventing wrinkles and deformation of the toe part.

FIG. 4 is a perspective view showing another embodiment of the shoe according to the present invention, and FIG. 5 is a plan view of the shoe shown in FIG. It should be noted that the same or equivalent parts as those in the above-mentioned embodiment are designated by the same reference numerals.
The reinforcing cloth 4 is provided with a main body 40 and enlarged reinforcing portions 41 and 42 that project laterally from the toe-equivalent portion 5 that is the tip of the main body 40. The heel side end portions of the enlarged reinforcing portions 41 and 42 are located near the base of the toes when wearing shoes, but are not arranged to reach the bending portion. Therefore, it does not hinder the flexibility of the shoe when walking. The shoe according to the present embodiment is excellent in shape retention of the toe portion due to the fact that the enlarged reinforcing portions 41 and 42 spread to the left and right. The present invention is not limited to the illustrated embodiment, and various modifications can be made within the scope of the claims.

[0022]

The present invention having the above-mentioned structure has the following effects. (1) A reinforcing cloth is stretched from the part corresponding to the toes to the edge part of the shoe. That is, the surface direction of the reinforcing cloth is arranged at right angles to the bending direction of the shoe. Therefore, the generation of stress that causes resistance to walking is prevented, and shoes that are easy to walk can be provided. (2) When molding the shoe sole, the entire scabbard is pulled when fishing the scabbard in the last, but because the reinforcing cloth is arranged from the part corresponding to the toe to the rim of the shoe, It is possible to prevent stretching of the skin and contraction at the time of demolding,
Therefore, it is possible to prevent wrinkles and deformation of the toe portion. (3) When the reinforcing cloth is provided with the enlarged reinforcing portion protruding leftward and rightward from the part corresponding to the toes, the shape retention of the toe portion of the scabbard is excellent because the enlarged reinforcing portion spreads leftward and rightward. Further, the heel side end of the enlarged reinforcing portion is located near the base of the toe when the shoe is put on, but does not reach the bending portion. Therefore, the flexibility of the shoe during walking is not hindered, and it is easy to walk.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a shoe according to the present invention.

FIG. 2 is a plan view of the shoe shown in FIG. 1 as viewed from the back side in a developed state of a scabbard portion.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a perspective view showing another embodiment of the shoe according to the present invention.

FIG. 5 is a plan view of the shoe shown in FIG. 4 with the scabbard portion unfolded as seen from the back side.

[Explanation of symbols]

 1 shoes 2 skin 3 shoe sole 4 reinforcement cloth 5 toe equivalent 6 wear lip

Claims (3)

[Claims] 1. A shoe having a flexible skin, which comprises a plastic or rubber foam sheet having flexibility and stretchability in at least one layer thereof, and has a thin flexible surface. A scabbard formed of a laminated body including synthetic leather or a cloth, and a shoe sole integrally joined to the lower edge of the scabbard by injection molding are provided. Is a shoe with a flexible lambskin, in which a reinforcing cloth is stretched from the part corresponding to the toe to the mouth edge. 2. A shoe having a flexible skin, which comprises at least one layer of a flexible or stretchable plastic or rubber foam sheet, the surface of which is thin and flexible. A scabbard formed of a laminated body including synthetic leather or a cloth, and a shoe sole integrally joined to the lower edge of the scabbard by injection molding are provided. Has a reinforcing cloth stretched from the toe-corresponding portion to the mouth edge portion, and further, an enlarged reinforcing portion is formed on the left and right of the reinforcing cloth-toe portion corresponding to the toe, and the heel side end of the enlarged reinforcing portion is A shoe with a flexible skin that is located in the vicinity of the base of the toes and does not substantially reach the bending portion when walking. 3. A shoe having a flexible skin, which comprises a foamed sheet made of plastic or rubber having flexibility and stretchability in at least one layer, and which is attached to the foamed sheet. Elastic knitted fabric, which is made of a laminated body having thin and flexible synthetic leather or cloth on the surface, and the lower edge of the scabbard are integrally joined by injection molding. A shoe having a flexible skin, in which a reinforcing cloth is stretched from the part corresponding to the toe to the edge of the mouth opening on the back surface of the skin of the skin.