JPH04107608U - upper of shoe - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] To provide a shoe that maintains its appearance well over a long period of time without causing wrinkles or crushing of the upper surface of the upper surface of the shoe near the toe. do. [Structure] A front upper part 3a of the upper part of the upper surface near the toe of the upper, which is approximately the center in the width direction, a front outer end part 3b, which is the outer end of the front upper part 3a in the width direction, and a rear heel of the front outer end part 3b. The approximately triangular outer surface leather connecting the rear outer end 3c corresponding to the leaning part is formed of a synthetic resin molded body such as urethane elastomer with high bending elasticity, and is joined to other leather upper parts.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea concerns the upper of shoes, where the part of the upper near the toe has collapsed due to long-term wear. To provide shoes that do not cause wrinkles or wrinkles on the surface.

0002

[Conventional technology]

Shoes that use natural or artificial leather for the upper such as nail leather, face leather, and waist leather are outdated. However, conventional shoes have a toe leather part and a face leather part, or a face leather part and a The waist leather part, or the claw leather, face leather and waist leather parts are made of one piece of leather, or Although the shape and color of the instep parts such as the nail leather may be changed, the The barrel part, that is, the part of the upper surface near the toe, is not made of materials other than leather. , as well as other parts, were made of natural or artificial leather.

0003

[Problem that the idea aims to solve]

In conventional leather shoes, the entire upper part is made of natural or artificial leather. , these leathers have poor bending elasticity and relatively weak elastic recovery, so they cannot be used for long periods of time. Bend the part of the instep that corresponds to the top of the toe, that is, the part of the top of the instep near the toe. There is a problem that wrinkles may occur or this area may become flattened, resulting in a deterioration of the appearance. Ta.

0004 This idea involves replacing part of the leather upper with a highly elastic synthetic resin sheet. As a result, bending wrinkles may occur on the upper surface of the upper surface near the toe, or this area may become stiff. It does not shake, maintains a good appearance for a long time, and is comfortable to wear. is what provides good shoes.

[0005]

[Means to solve the problem]

The upper of the shoe according to this invention is located approximately at the center of the upper surface of the upper near the toe in the width direction. The upper part of the front side of the upper, the outer edge of the front side corresponding to the outer edge in the width direction of the upper part of the front side of the upper part, and this A roughly triangular outer edge connecting the front outer edge of the front edge and the rear outer edge of the The face leather is made of a molded synthetic resin with high bending elasticity, and is made of natural or artificial leather. It is characterized by being joined to other upper parts made of leather.

[0006] In this invention, the synthetic resin with high bending elasticity used for the above-mentioned outer leather is one that bends easily when walking and quickly recovers from the bending, that is, has a bending elastic modulus (ASTM). D790) is 200 to 1000 kg/cm ² and compression set (ASTM D395) is 50% or less under the conditions of pressure 95 kg/cm ² and temperature 70°C for 22 hours. Examples thereof include urethane elastomers, and urethane elastomers are particularly preferred. Further, the thickness of the outer surface leather is preferably 2 to 3 mm.

[0007] The position of the upper part of the front side of the carapace in this design is approximately the center in the width direction of the upper surface of the carapace near the toe. In other words, at the top of the second, third or fourth toe of the wearer's foot. This is the corresponding position, and is the same as the vamp in general shoes that have a vamp and a vamp as the upper. The vicinity of the midpoint on the joining line of the face leather is preferable. Also, the position of the front outer end is on the front side of the carapace. It is the outer edge in the width direction of the upper part, and is the joining line of the toe leather and face leather in the general shoes mentioned above. A position where it hits the sole leather is preferable. Also, the position of the rear outer edge is the same as the front outer edge above. From the position corresponding to the rear heel part, that is, the front outer edge, along the joining line of the upper and sole leather. This is a position lowered towards the back of the heel, which corresponds to the area near the tail of the wearer's fifth metatarsal bone. The preferred position is Note that the shape of the line connecting the upper front part of the carapace and the outer edge of the front part, The shape of the line connecting the front upper part of the carapace and the rear outer edge is not limited to a straight line or an arc. It can be modified in various ways from a design standpoint.

[0008]

[Effect]

The outer leather is made of a molded synthetic resin with high bending elasticity, so the upper surface of the upper When bending stress is applied to the area near the toes due to walking, etc., distortion due to this bending stress disappears immediately without being fixed on the outer leather. Also, this outer surface leather The distortion of the upper surface of the leather upper near the toe, which is adjacent to the upper front side of the upper, is due to the distortion on the outer surface of It disappears thanks to the elastic recovery power of the leather. Therefore, when wearing shoes for a long period of time, As a result, wrinkles appear in the part of the above-mentioned instep near the toe, or this part becomes crushed. Never.

[0009] In addition, if you move the upper part of the front side of the upper to the outside in the width direction, or move the outer edge of the back side to the front. If the area of the outer leather is made too small, the purpose of this invention may not be achieved. stomach. On the other hand, if the upper part of the upper part of the upper part of the upper part of the outer part of the leather is moved inward in the width direction, or If the area of the outer leather is made too large by receding the edges, it may cause wrinkles or Although the crushing is further reduced, the wearing comfort deteriorates, which is undesirable.

0010

【Example】

In Figure 1, 1 is the sole leather, 2 is the nail leather, 3 is the outer surface leather, 4 is the waist leather, 5 is the eyelet leather, 6 is the tongue leather, and 7 is the heel leather. The sole leather 1 mentioned above is made of rubber, and the claw leather 2, waist leather 4, eyelet leather 5, tongue leather 6, and heel leather 7 are each made of natural leather, and the outer surface leather 3 has a bending elastic modulus of 550 kg. It is a 2.5 mm thick sheet-like molded body made of urethane elastomer with a compression set of 37 ^% /cm 2 and a compression set (95 kg/cm ² , 70° C., 22 hours).

[0011] The above nail strap 2 is made in a shape that extends from the tip of the toe to the inner side in the width direction and toward the arch side. It is being In addition, the outer leather 3 includes a front upper part 3a of the upper, a front outer end 3b, and a rear It is formed into a substantially triangular shape connecting the side outer end portion 3c, and is formed within the width direction of the upper front side upper portion 3a. A corner portion 3d extending inwardly rearward along the inner rear edge 2a of the nail strap 2 is integrally provided on the side. and a large number of decorative grooves 3e are provided in the width direction on the surface of the outer leather 3. It is being

0012 In this embodiment, the position of the upper part 3a on the front side of the carapace is the third toe of the foot (not shown). The front outer end portion 3b is located at the upper front side of the upper part 3. a, and the rear outer end 3c is located at the front outer end 3. The fifth metatarsal bone (not shown in the figure) is located downward from b to the joint with sole leather 1. It is located near the caudal part of the bone, in other words, on the outer part of the arch.

[0013] Therefore, the above-mentioned outer surface leather 3 is molded into the curved shape shown in FIGS. 2 and 3. and a front seam allowance of 3f along the front edge, and a side seam allowance of 3g along the side edge. The front seam allowance 3f is placed on the underside of the outer rear edge 2b (see Fig. 1) of the nail strap 2. The side seam allowance 3g is on the upper surface of the outer edge of the sole leather 1, and the rear edge 3h of the outer side leather 3 is on the waist leather 4. are overlapped and sewn onto the upper surface of the front edge. Moreover, in this example, FIG. As shown by the chain line, the outer surface rises forming an obtuse angle with respect to the side seam allowance of 3g. Leather 3 is curved at a right angle or an acute angle as shown by the solid line and sewn. This gives the outer surface leather 3 a further tendency to swell.

[0014] The above embodiment has a corner 3d on the inside of the front upper part 3a, and is molded. At this time, the outer surface leather 3 is made into a curved shape, and the outer surface leather 3 is made at an obtuse angle with respect to the side seam allowance 3g. The outer leather 3 is molded to form a shape, and the outer leather 3 is curved against its elasticity during sewing. Therefore, the occurrence of wrinkles and crushing in the toe portion of the upper surface of the carapace is further reduced.

[0015]

[Effect of the idea]

As mentioned above, this idea is based on the upper part of the front side of the upper, which is part of the conventional leather upper. The approximately triangular part connecting the outer side edge and the outer edge of the rear side is made of highly elastic synthetic resin. Because it was replaced with a toe-shaped molded product, wrinkles appear on the upper surface of the upper near the toe. This part will not be crushed or crushed, and its external shape will remain good for a long time. It is kept in good condition and does not impair comfort.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the invention.

FIG. 2 is a plan view of essential parts of the above embodiment.

FIG. 3 is a sectional view taken along line AA in FIG. 3;

[Explanation of symbols]

1: Sole leather 2: Nail leather 3: Outer leather 3a: Front upper part of carapace 3b: Front outer end 3c: Rear outer end 4: Waist leather

Claims (1)

[Scope of utility model registration request] Claim 1: The front upper part of the upper surface of the upper surface near the toe, which is approximately at the center in the width direction; the front outer end part, which is the outer end of the front upper part of the upper part in the width direction; and the rear heel of this front outer end part. The almost triangular outer leather that connects the rear outer edge, which corresponds to the leaning part, is made of a molded synthetic resin with high bending elasticity, and is joined to the other upper part made of natural or artificial leather. The upper of a shoe is characterized by a