WO2019044507A1

WO2019044507A1 - Shoe sole and shoe

Info

Publication number: WO2019044507A1
Application number: PCT/JP2018/030352
Authority: WO
Inventors: 智之福谷
Original assignee: 株式会社キビラ
Priority date: 2017-09-01
Filing date: 2018-08-15
Publication date: 2019-03-07
Also published as: JP2019042143A; JP6344631B1

Abstract

A shoe sole is provided with which it is possible to prevent warping of the shoe sole and reduce the load on the foot without providing a shank, and with which it is possible to eliminate manufacturing steps for the shoe. The shoe sole (1) has: an insole (30) that supports the sole of the foot from the toe toward the heel through the shank; an outer sole (70) provided on the front portion of the bottom surface of the insole (30); a rib part (52) that supports the entire surface of the portion of the insole (30) from the shank to the heel, the top surface of the rib part (52) being formed as a flat surface; and a heel part (51) that supports the rear end of the rib part (52) against the ground contact surface, and is formed integrally with the rib part (52) of a hard synthetic resin, the rib part (52) projecting downward, and the outer shape of the lateral cross section thereof along the left-right direction being formed with a curved surface.

Description

Sole and shoes

The present invention relates to a shoe sole provided with a heel that is a high heel shoe, and in particular, a shoe sole that can prevent distortion of the sole and reduce burden on the foot without providing a shank and can reduce the manufacturing process of the shoe It relates to shoes.

The soles with heels, such as conventional pumps and slingbacks, have a sole in contact with the sole extending from the toe to the heel rear, a heel, and an outer bottom of the sole in contact with the floor (out Sole). A metal shank is provided on the insole from the heel to the arch to prevent distortion of the sole by the load of weight and to reduce the burden on the foot. The heel of the heel portion is aligned with the heel portion of the insole, and a heel nail is inserted into the heel portion through the shank to fix the heel portion to the insole (Patent Document 1).

JP 2012-235892

In the sole with the conventional heel, when the shank provided at the insole loosens in the insole, the function of the shank is reduced and the load on the foot is increased. Since the insole and heel portion are fixed with a heel nail, the number of steps for manufacturing the shoe is increased, and the heel portion may be detached from the insole.

Therefore, the present invention has been made focusing on such unsolved problems of the prior art, and it is possible to prevent the strain on the sole and to reduce the burden on the foot without providing a shank. It is an object of the present invention to provide a shoe sole and shoes that can reduce the number of manufacturing processes.

[Invention 1] In order to achieve the above object, the sole of invention 1 comprises an insole for supporting the sole from the toe to the arch through the arch and an outsole provided on the lower front of the insole. A rib portion having a flat upper surface for supporting the entire surface of a portion extending from the arch to the heel portion of the insole, and a rear portion supporting the rear end portion of the rib portion, and a heel portion integrally formed with the rib portion The rib portion protrudes downward, and the outer shape of the cross section along the left-right direction is formed to be a curved surface.

[Invention 2] Furthermore, in the sole of invention 2, the insole is a member that does not contribute to the bending rigidity and the torsional rigidity with respect to the sole.

[Invention 3] Further, in the sole according to the invention 1 according to any one of the inventions 1 and 2, an opening is formed in the toe portion of the insole.

[Invention 4] Further, in the sole according to the invention 1 according to any one of the inventions 1 to 3, the sole of the invention is arranged such that the inner sole is superimposed on the insole.

[Invention 5] Further, in the shoe sole according to Invention 5, in the shoe sole according to any one of Inventions 1 to 4, the high resilience cushioning material is disposed corresponding to the heel portion of the lower surface of the inner sole, and corresponds to the toe portion. The soft type cushioning material is arranged.

[Invention 6] On the other hand, in order to achieve the above object, the shoe of the invention 6 includes the sole of any one of the inventions 1 to 5.

As described above, according to the sole of the invention 1, since the rib portion has high bending rigidity and torsional rigidity and is integrally formed with the heel portion, the rigidity of the root portion of the rib portion is high and distortion of the sole is generated. To reduce the burden on the foot.

Furthermore, according to the sole of the second aspect, since the rigidity of the insole is unnecessary, the insole can be formed of various materials, and the number of manufacturing steps can be reduced.

Furthermore, according to the sole of the third aspect, the opening can impart great flexibility to the toe portion of the insole, and excellent walking performance can be obtained.

Furthermore, according to the sole of invention 4, the inner sole can be stacked on the insole to provide a cushioned good sole.

Furthermore, according to the sole of the fifth aspect, the sole can be protected.
On the other hand, according to the shoe according to the sixth aspect of the invention, the sole is not bent at the time of walking and does not twist, so that the foot is less tired and excellent walking stability is obtained.

1 is an exploded perspective view of a first embodiment of a shoe sole according to the present invention; It is a right view of the heel part which comprises the shoe sole shown in FIG. It is a rear view of the heel part which comprises the shoe sole shown in FIG. (A) A bottom view of the shoe sole shown in FIG. 1, (b) is a sectional view taken along the line AA of (a). It is an external appearance perspective view of the shoe sole shown in FIG. It is a top view of the outer surface side of the outsole of the sole shown in FIG. It is a right side view of pumps which shows 2nd Embodiment which applied the sole of FIG. 1 to pumps. It is a left view of the pumps shown in FIG. It is a front view of the pumps shown in FIG. It is a rear view of the pumps shown in FIG. It is a top view of the pump shown in FIG. It is a bottom view of pumps shown in FIG.

Hereinafter, the present invention will be described in detail based on the embodiments shown in the drawings.
First Embodiment
FIG. 1 is an exploded perspective view showing a first embodiment of a sole according to the present invention, and FIGS. 2 to 5 are a right side view, a rear view, a bottom view and a bottom view of the stabilizer heel 50 of the sole shown in FIG. FIG. 2 is a cross-sectional view taken along the line AA and an external perspective view.

First, the structure of the sole 1 will be described.
In FIG. 1, the sole 1 has an inner sole 10 which is an insole, an insole (insole) 30, a stabilizer heel 50, and an outsole 70 which is a sole or a surface. The inner sole 10 and the in sole 30 are formed to have the same contour shape, and are superposed and bonded by an adhesive. Between the inner sole 10 and the insole 30, a heel cushion material 11 is disposed corresponding to the heel portion, and a first toe cushion material 12 is disposed corresponding to the toe portion. The outsole 70 is adhered to the lower surface of the toe portion 31 of the insole 30 by an adhesive, and the heel portion 32 of the insole 30 is adhered to the upper surface of the hybrid heel 50 by an adhesive. A superimposed second toe cushion 33 and a third toe cushion 34 are disposed between the insole 30 and the outsole 70.

Next, the configuration of the inner sole 10 will be described.
The inner sole 10 is formed in a three-dimensional three-dimensional structure adapted to the shape of the sole, and, for example, the upper fabric 13 is adhered to the upper surface of the main body portion 14. The heel cushion material 11 and the first toe cushion material 12 of the inner sole 10 are bonded to the lower surface of the main body 14 of the inner sole 10 in advance. The heel cushion 11 is made of a high resilience cushion material to reduce the impact applied to the heel. The first toe cushion material 12 is a soft cushion material having a good touch. The first toe cushion 12 has high shock absorption to reduce foot fatigue, breathability to prevent stuffiness, hygroscopicity to maintain low humidity and provide comfort, pressure resistance to stagnation, maintain cleanliness Have antibacterial properties.

Next, the configuration of the insole 30 will be described.
The insole 30 is composed of, for example, an insole main body portion 35 formed in a three-dimensional three-dimensional configuration with a cardboard or the like, and an insole cushion portion 36 adhered to the heel portion 32 on the lower surface of the insole main body portion 35. In the insole 30, an opening 37 having a substantially rectangular shape is formed in the toe portion 31. The opening 37 can provide the toe portion 31 of the insole 30 with great flexibility. The second toe cushion material 33 and the third toe cushion material 34 are formed in an outer shape conforming to the opening shape of the opening 37 and tightly fitted in the opening 37. The second toe cushion material 33 and the third toe cushion material 34 are formed of a hard type cushion material, and like the first toe cushion material 12, have high impact absorbability to reduce foot fatigue and breathability to prevent stuffiness Has hygroscopicity, provides pressure resistance, maintains low humidity, anti-shrinkage, anti-bacterial property of maintaining cleanliness. The insole 30 is a member that does not contribute to the rigidity with respect to the sole 1 because the shank, which has been disposed in the conventional example, is not disposed in the insole 30 and the material is also not rigid. Although a plate-like correction plate (not shown) for maintaining the inclination angle is fixed to the back side of the inclined arch portion of the insole 30, it differs from the conventional shank in bending rigidity and It does not contribute to torsional rigidity.

Next, the configuration of the stabilizer heel 50 will be described.
The stabilizer heel 50 has a heel portion 51, a rib portion 52, and a top lift 53. As shown in FIGS. 2 to 5, the heel portion 51 and the rib portion 52 are integrally formed by integral molding of a hard synthetic resin. The heel portion 51 supports the rear end portion of the rib portion 52 with respect to the ground contact surface, and is formed in a leg shape in which externals gradually increase from the heel lower end 51 a of the heel portion 51 upward. A top lift 53 is fixed to the heel lower end 51a of the heel portion 51 for preventing wear and damage of the heel lower end 51a.

As shown in FIGS. 2 and 5, the rib portion 52 extends obliquely downward from the heel upper end 51 b of the heel portion 51 to the tip 55 of the arch 54. As shown in FIG. 5, the upper surface 56 of the rib portion 52 is formed in a substantially rectangular planar shape, and the cross-sectional area on the heel side is formed large. Therefore, the torsional rigidity of the rib 52 at the root of the heel 51 is high, and almost no twisting occurs.

As shown in FIG. 4, the rib portion 52 is formed in a convex shape in which the upper surface 56 is a flat surface and the lower surface 57 is curved downward. The rib portion 52 is required to have an aesthetic appearance because the lower surface 57 can be seen directly from the left and right side surfaces and the rear surface. The external shape of the lower surface 57 of the sole 1 is an important aesthetic factor particularly in shoes with a heel such as pumps. On the other hand, in the conventional sole, the shank prevents bending and twisting of the sole. On the other hand, in the sole 1 of the present embodiment, the rib 52 functions to prevent bending and twisting of the sole. The conventional shank has a width smaller than that of the insole and a lower height (thickness). On the other hand, the rib part 52 of this embodiment is the same width as the insole 30, and as shown in FIG. 4 (b), the height is also high. Therefore, the rigidity of the rib portion 52 in the present embodiment is very high relative to the rigidity of the insole provided with the shank as in the prior art. As a result, the distortion of the sole 1 is dramatically reduced, and the fatigue of the foot can be greatly reduced.

On the back surface of the distal end portion of the rib portion 52, a hollow portion 58 having a substantially V-shaped planar shape is formed in accordance with the outer shape of the rear end edge 71 of the outsole 70. In the present embodiment, as shown in FIG. 8, the curved rear end edge 71 of the outsole 70 reaches the arch of the insole 30. For this reason, as shown in FIG. 5, the rear end of the outsole 70 is fitted into the recess 58 formed on the back surface side of the tip of the rib 52, and between the outsole 70 and the rib 52 We try to avoid steps as much as possible.

Next, the configuration of the outsole 70 will be described.
As shown in FIG. 6, the outsole 70 is formed in an outer shape that matches the outer shape of the toe portion 31 of the insole 30. On the lower surface 72 of the outsole 70, three

non-slip portions

73, 74, 75 are formed to form a recess along the front-rear direction. In each of the

non-slip portions

73, 74, 75, a convex portion 76 of the honeycomb pattern is provided so as to protrude with a predetermined gap 77. A plurality of dot portions 78 are formed on the top surface of the convex portion 76. The inside of the projection 76 is hollow, and as shown in FIG. 1, an opening 79 of the projection 76 is formed on the upper surface 70 a of the outsole 70.

The sole 1 described above can be applied to shoes with heels such as pumps, mules, sandals and the like.

According to the sole 1 according to the first embodiment, the bending rigidity and the torsional rigidity of the sole 1 can be increased without using a shank.

Second Embodiment
FIGS. 7 to 12 show a second embodiment in which the sole 1 of the first embodiment is applied to the pump 100. FIG. 7 is a right side view of the pump, FIG. 2 is a left side view of the pump shown in FIG. 7, FIG. 9 is a front view of the pump shown in FIG. 7, FIG. 11 is a rear view of the pump shown in FIG. 7 is a top view of the pump shown in FIG. 7, and FIG. 12 is a bottom view of the pump shown in FIG. The pumps 100 shown in FIGS. 7 to 12 are for the right foot. Pumps for the left foot are formed symmetrically with respect to the pump 100 for the right foot.

The pump 100 of the present embodiment is bonded by an adhesive between the lower edge of the upper 101 between the insole 30 and the upper surface 56 of the hybrid heel 50 of the sole 1 and the upper surface of the outer sole 70. Then, the inner sole 10 is disposed on the inner side of the upper 101 and adhered by an adhesive. As shown in FIGS. 7 and 8, a curve along the front-rear direction of the lower end 57a of the lower surface 57 of the hybrid heel 50 and a curve along the front-rear direction of the upper edge 101a of the upper 101 above it are formed in parallel. The side design of the pump 100 can be enhanced.

DESCRIPTION OF SYMBOLS 1 ... shoe sole, 10 ... inner sole, 11 ... 踵 cushion material, 12 ... 1st toe cushion material, 13 ... upper fabric, 14 ... main-body part, 30 ... insole (insole), 31 ... toe part, 32 ... 踵The part 33, the second toe cushion material 34, the third toe cushion material 35, the insole main body part 36, the insole cushion part 37, the opening 50, the stabilizer heel 51, the heel part 52, the rib part 53, ... top lift, 51 a ... heel lower end, 51 b ... heel upper end, 54 ... arch, 55 ... top end, 56 ... top surface, 57 ... bottom surface, 58 ... dent portion, 70 ... outsole, 70 a ... top surface, 71 ... rear end edge, 72: lower surface, 73, 74, 75: non-slip portion, 76: convex portion, 77: gap, 78: dot , 79 ... opening, 100 ... pumps, 101 ... upper, 101a ... upper edge

Claims

An insole that does not contribute to the flexural rigidity and torsional rigidity to the sole, and supports the sole from the toe through the arch and cross over the heel;
An outsole provided on the lower front of the insole;
A rib having a flat upper surface supporting the entire surface of a portion extending from the arch to the buttocks of the insole;
And supporting a rear end portion of the rib portion, the heel portion integrally formed with the rib portion;
The shoe sole is characterized in that the rib portion protrudes downward, and the outer shape of the cross section along the left-right direction is a curved surface.
In claim 1,
An sole is characterized in that an opening is formed in a toe portion of the insole.
In any one of claims 1 and 2,
A shoe sole characterized in that an inner sole is placed over the insole.
In any one of claims 1 to 3,
A shoe sole characterized in that a high resilience cushioning material is disposed corresponding to a heel portion of a lower surface of the inner sole, and a soft type cushioning material is disposed corresponding to a toe portion.
A shoe comprising the sole according to any one of claims 1 to 4.