JP2024008443A - Inner sole and shoes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inner sole and shoes capable of maintaining flexibility and improving fitting properties.

SOLUTION: An inner sole comprises: a front part provided on a front side of a shoe; and a rear part provided on a rear side of the shoe. The front part has: a front foot mounting part on which the foot of a wearer is mounted; and a protrusion part protruded outward of the front foot mounting part. The rear part has a rear foot mounting region on which the foot of the wearer is mounted, and has no region corresponding to the protrusion part on an outside of the rear foot mounting region. Shoes of the invention have: a front bottom; the inner sole of the invention; and an instep member, and on a lower side of a rear part of the inner sole, an inserted bottom having an inserted bottom protrusion part, is provided. The instep member has: a front material; and a rear material having an inward folding drawn part. The inward folding drawn part is drawn to a lower side of the inner sole. On the front material, a part overlapped to the protrusion part is sewn to the front bottom with the inner sole, and a part overlapped to the inserted bottom protrusion part is sewn to the front bottom with the inserted bottom.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to an insole and a shoe equipped with the insole.

The stitch down manufacturing method is known as one of the shoe manufacturing methods. Shoes manufactured using the stitch-down manufacturing method (hereinafter referred to as "stitch-down shoes") have superior flexibility compared to shoes manufactured using other manufacturing methods, but have weaker holding power and inferior fitting properties.

The applicant of the present invention has developed a shoe (Patent Document 1) as an improved version of the stitch down shoe (hereinafter referred to as "improved shoe") that has an insole having a length from the toe part to the vicinity of the non-stepping part. In this improved shoe, only the part of the lining leather that corresponds to the midsole is hung inward, and the part that does not correspond to the midsole and the entire periphery of the upper leather is hung outside against the midsole or outsole. It is embedded.

Japanese Patent Application Publication No. 10-75806

In the improved shoe of Patent Document 1, the part of the lining leather of the upper member that corresponds to the midsole is pulled inward, which improves the fitting, but the original flexibility of stitched down shoes is impaired. There was room for improvement in this point.

The present invention was made in view of the above circumstances, and the problem to be solved is to provide an insole that can improve fitting while maintaining the flexibility of conventional stitched down shoes, and to provide an insole using the insole. It's about providing shoes.

[Insole]
The insole of the present invention includes a front part located on the front side of the shoe and a rear part located on the rear side of the shoe, and the front part is located on the outside of the front foot rest part on which the wearer's foot rests and the front foot rest part. It has an overhanging part, the rear part has a rear foot rest area on which the wearer's feet rest, and no area corresponding to the overhang part is provided outside the rear foot rest area.

[shoes]
The shoe of the present invention includes an outsole, an insole and an instep member of the invention, and an insert sole is provided below the rear part of the insole. The insole has a protruding part of the insole that extends to the outside of the rear part of the insole when overlapped with the insole, and the instep member is provided in the inner and rear area of the outer material and the outer material. A backing material is provided, and the backing material is provided with an inward folding part that is folded back inward. The inner folded part of the lining material is hung under the inner sole, and the part of the outer material that overlaps the overhanging part of the inner sole is sewn to the outer sole together with the inner sole. The part that overlaps the overhanging part of the inner sole is sewn to the outer sole together with the inner sole.

According to the present invention, it is possible to improve the fitting performance while maintaining the flexibility of conventional stitch down shoes.

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view which shows an example of the shoe of this invention. FIG. 2 is an exploded explanatory diagram of the shoe shown in FIG. 1; FIG. 2 is a longitudinal cross-sectional view of the shoe of FIG. 1; (a) is a perspective view showing an example of the insole of the present invention, and (b) is a detailed explanatory view of (a) divided into a front part and a rear part. (a) is a front view showing an example of the insole before being shaped, (b) is a rear view of (a), (c) is a left side view of (a), and (d) is a view of (a). A right side view, (e) a top view of (a), and (f) a bottom view of (a). (a) is a front view showing an example of the insole after being shaped, (b) is a rear view of (a), (c) is a left side view of (a), and (d) is the same as (a). (e) is a top view of (a), (f) is a bottom view of (a), and (g) is a sectional view taken along line AA of (e). (a) is a cross-sectional view of the toe side of the shoe of FIG. 1 in a transverse direction, and (b) is a cross-sectional view of the heel side of the shoe of FIG. 1. (a) is a longitudinal sectional view of a shoe using an upper member provided with a toe lining material, and (b) is an exploded explanatory view of the upper member provided with a toe lining material. FIG. 8(a) is a cross-sectional view of the toe side of the shoe shown in FIG. 8(a).

(Embodiment)
An example of an insole 20 and a shoe according to the present invention will be described with reference to the drawings. As an example, the shoes shown in FIGS. 1 to 3 include an outsole 10, an insole 20, and an upper member 30 as main components.

The outsole 10 is a part that comes into contact with the ground. The outsole 10 of this embodiment is a gourd-shaped member that is long in the front-rear direction of the shoe. The outsole 10 can be made of various materials, such as leather, EVA sponge, polyurethane (PU), thermoplastic rubber (TPR), and rubber.

A heel 11 is provided at a heel side position on the bottom side of the outsole 10. The heel 11 can be made of various materials such as leather, EVA sponge, PU, TPR, and ABS (reinforced plastic).

Although the illustrated outsole 10 has a flat thin plate shape on both the back side and the inner side, a unit sole with a heel portion protruding toward the back side can also be used for the outsole 10. In this case, the heel 11 can also be omitted.

An insole 20 is provided above the outsole 10 and has the function of supporting the foot. The insole 20 of this embodiment includes a front part located on the front side of the shoe and a rear part located on the rear side of the shoe, and the front part is composed of a front part 21 and the rear part is composed of a rear part 22. has been done.

As shown in FIGS. 4(a) and 4(b), the front part 21 includes a region 21a on which the wearer's foot rests (supports the foot) (hereinafter referred to as "front footrest"), and a front footrest 21a. It includes an area 21b extending outward (hereinafter referred to as an "overhanging part") and a front connecting part 21c connected to the rear part 22.

The front footrest part 21a and the overhanging part 21b have the same shape as the front part on the upper surface side of the outsole 10 so as to overlap with the outsole 10 without protruding beyond the periphery of the outsole 10. However, the protruding portion 21b may be made to protrude outward from the periphery of the outsole 10, and the protruding portion may be removed afterwards.

The front connecting portion 21c is provided so as to protrude toward the rear side of the front footrest portion 21a. As shown in FIG. 4(b), the bottom surface of the front connecting portion 21c is provided with an inclined surface that slopes (becomes thinner) toward the rear from the front footrest portion 21a.

As shown in FIGS. 4A and 4B, the rear part 22 includes a rear footrest area 22a on which the wearer's feet rest, and a rear connecting part 22b connected to the front part 21. The rear part 22 is not provided with an area that extends outside the rear footrest area 22a (an area corresponding to the overhang part 21b), and is configured to be narrower than the front part 21.

In other words, the width of the rear part 22 is such that when the rear part 22 is stacked on top of the inner sole 23, a part of the inner sole 23 is placed outside the rear footrest area 22a. In this case, an area 23c (FIG. 2) that protrudes to the outside of an area 23b (hereinafter referred to as the ``arrangement area'') where the rear part 22 and the insert 24 (described later) are arranged is exposed. The width is set to

The rear part 22 is smaller than the outside of the outer sole 10 and the insert sole 23 described later, and when stacked on top of the insert sole 23, the periphery of the rear part 22 protrudes from the insert sole 23. It is arranged so that it does not overlap with the portion 23c.

In this embodiment, when the rear part 22 and the insert sole 23 are overlapped, the overhanging portion 21b and the insert sole extending portion 23c become a continuous ring-shaped overhang, and in this portion, the instep member 30, which will be described later, is attached. The overlapped portions (hereinafter referred to as "front material outer folded portions 31a") are arranged to be overlapped.

The rear connecting portion 22b is provided on the front side of the rear footrest area 22a. As shown in FIG. 4(b), the upper surface of the front connecting portion 21c is provided with an inclined surface that is inclined (thinned) toward the front from the tip end side of the rear footrest area 22a.

The front part 21 and the rear part 22 are overlapped with each other with the inclined surfaces of the thin front connecting part 21c and the rear connecting part 22b facing each other, and are connected with an adhesive. The thin inclined surfaces of the front connecting part 21c and the rear connecting part 22b overlap each other, so that when they are connected, they have the same or approximately the same thickness as the front part 21 and the rear connecting part 22b. be.

The front part 21 and the rear part 22 can be made of the same material or different materials. As the material, for example, natural leather, synthetic leather, leather board, pulp board, etc. can be used. If necessary, it is also possible to use a material in which a nonwoven fabric, cheesecloth, or the like is attached to each of these materials.

In this embodiment, the case where the midsole 20 is constructed from two parts is taken as an example, but the midsole 20 may be constructed from one part or by connecting three or more parts. When constructed from one part, the front connecting portion 21c and the rear connecting portion 22b are unnecessary. When it is composed of three or more parts, each part can be made of different materials or the same material.

FIGS. 5(a) to 5(f) show the appearance of the midsole 20 of this embodiment, and show the appearance of the midsole 20 before being shaped. 5(a) is a front view of the inner sole 20 of this embodiment, FIG. 5(b) is a rear view of FIG. 5(a), FIG. 5(c) is a left side view of FIG. 5(a), and FIG. 5(c) is a left side view of FIG. (d) is a right side view of the same figure (a), the same figure (e) is a top view of the same figure (a), and the same figure (f) is a bottom view of the same figure (a).

FIGS. 6(a) to 6(g) show the appearance of the midsole 20 of this embodiment, and show the appearance of the midsole 20 after being shaped. 6(a) is a front view of the inner sole 20 of this embodiment, FIG. 6(b) is a rear view of FIG. 6(a), FIG. 6(c) is a left side view of FIG. 6(a), and FIG. 6(c) is a left side view of FIG. (d) is a right side view of (a), (e) is a plan view of (a), (f) is a bottom view of (a), and (g) is a bottom view of (a). It is a sectional view taken along the line AA in FIG.

As shown in FIG. 2, an insert sole 23 for height adjustment is arranged between the outer sole 10 and the inner sole 20 and below the rear part 22 of the inner sole 20. The insert sole 23 of this embodiment is a rectangular member with an arcuate end on the heel side.

An inclined surface 23a that slopes from the rear toward the front is provided on the tip side of the insert sole 23, and is made to be thinner than other portions. On the rear side of the inclined surface 23a, there are provided an arrangement part 23b where the rear part 22 and a midsole 24 to be described later are arranged, and an insert bottom extension part 23c that projects outside of the arrangement part 23b.

For example, the insert sole 23 may be made of the same material as the front part 21 of the inner sole 20, or may be made of a different material. The insert bottom 23 may be provided as necessary, and can be omitted if unnecessary.

An insert 24 and a counter 25 are provided above the insert bottom 23. In addition to playing a role as a cushioning material that receives a load, the middle material 24 is also used for the purpose of eliminating (flattening) differences in level, filling gaps, and the like. In this embodiment, a thick mesh material is used as the insert 24. As the mesh material, for example, Cubic Eye (registered trademark) manufactured by Unitika Technos Co., Ltd., BREATHAIR (registered trademark) manufactured by Toyobo Co., Ltd., FUSION (registered trademark) manufactured by Asahi Kasei Corporation, etc. can be used.

The middle material 24 can be made of various elastic materials with a cushioning effect, such as cork or felt, in addition to mesh material. The size and shape of the insert 24 can be designed as appropriate. The insert 24 may be provided as necessary, and may be omitted if unnecessary.

The counter 25 is a member that is disposed at the heel of the shoe and maintains the shape of the heel of the shoe. The counter 25 can be an existing one or a new one. In the counter 25 of this embodiment, as shown in FIG. 7(b), a space is secured at the bottom surface of the counter 25 so that the middle item 24 can fit therein.

A shank 26 is provided on the upper side of the midsole 24 to support the load of the foot arch of the foot and maintain its shape. The shank 26 may be made of iron, wood, leather, plastic, or any other new or existing material.

The shank 26 can also be provided on the upper side of the midsole 20. Further, the shank 26 can be crimped to the top or bottom surface of the midsole 20 in advance. Note that the shank 26 may be provided as necessary, and can be omitted if unnecessary.

A gourd-shaped insole 27 that is long in the front-back direction is provided on the upper side of the midsole 20. The insole 27 is a member disposed on the upper surface side of the insole 20, and is generally referred to as an insole. The insole 27 may be attached in advance with an adhesive or the like, or may be a separate piece that can be taken in and out.

The insole 27 may be in the form of a flat sheet or may be formed into a cup shape on the heel side (a so-called cup insole). The insole 27 may be a full-line type that covers the entire surface of the insole 20, or a half-line type that covers about half of the heel side of the insole 20. The insole 27 can be an existing one or a new one. The heel side of the insole 27 is arranged inside the counter 25. Note that, if unnecessary, the insole 27 can be omitted.

An instep member 30 that covers the instep side of the foot is provided on the upper side of the midsole 20. The upper member 30 of this embodiment includes a front material 31 and a backing material 32 provided inside the front material 31. The backing material 32 is provided in about a half area on the rear side of the facing material 31. The front material 31 and the back material 32 are sewn together at their upper edges so as to be integral.

The outer material 31 includes an area 30a that covers the instep and front side of the foot (hereinafter referred to as "first covering area"), an area 30b that covers the side surface of the foot (hereinafter referred to as "second covering area"), and a heel side of the foot. (hereinafter referred to as the "third covered area") 30c, and a opening 34 for the wearer to put his/her foot in and out is provided in a portion surrounded by these areas.

In other words, the first covering region 30a is provided on the front side of the shoe opening 34, the second covering region 30b is provided on both widthwise outer sides of the shoe opening 34, and the third covering region 30c is provided on the rear side of the shoe opening 34. It is being The cover material 31 can be composed of one or more parts.

As shown in FIGS. 7(a) and 7(b), at a position near the periphery of the cover material 31, there is an outer fold of the cover material that overlaps the overhanging part 21b of the front part 21 and the inserting bottom protruding part 23c of the inserting bottom 23. A portion 31a is provided.

The outside folded part 31a of the outer material here is a relative concept specified by the relationship between the overhanging part 21b and the inside sole overhanging part 23c, and in the finished shoe, the outside folding part 31a of the outer material is a relative concept specified by the relationship between the overhanging part 21b and the inside sole overhanging part 23c. It means the overlapping part.

The backing material 32 is provided with a hanging part (hereinafter referred to as "inner folding hanging part") 32a that is woven into and hung under the rear footrest area 22a of the rear part 22. The inward fold-in part 32a here is a relative concept specified in relation to the rear footrest area 22a, and refers to a portion that is woven below the rear footrest area 22a.

Although the illustrated upper member 30 is of an outer blade type, the upper member 30 may be of an inner blade type. Further, the instep member 30 is not limited to a laced shoe, but may be a belt (monk) type or a slip-on type.

A toe cap 33 that maintains the shape of the toe portion is provided at a position on the toe side of the covering material 31. An existing or new toecap 33 can be used. In the toecap 33, an overlapped portion (hereinafter referred to as "toecap outer folded portion") 33a (FIG. 7(a)) that overlaps with the overhanging portion 21b is provided at a position overlapping with the front material outer folded portion 31a. The toecap 33 is attached to the inner surface of the outer material 31 with an adhesive, and is sewn together with the outer material 31 to the inner sole 20 and the outer sole 10 (sewn out).

FIG. 7(a) is a cross-sectional view of the toe side of the shoe of this embodiment in the transverse direction. As shown in FIG. 7(a), the front part 21 is stacked on the upper surface of the outsole 10, and the toecap outer folded part 33a of the toecap 33 and the toecap outer folded part 33a of the toecap 33 and The facing material 31 is stacked with the facing material outer folded portion 31a spread outward.

The overlaid outer sole 10, front part 21, toecap 33, and outer material 31 are sewn together using sewing thread 35. At this time, a thin strip material 36 (for example, thin leather) may be placed above the cover material 31 (outer folded portion 31a of the outer cover material), and stitched together with the thin strip material 36. The thin strip material 36 may be provided as necessary, and can be omitted if unnecessary.

FIG. 7(b) is a cross-sectional view of the heel side of the shoe of this embodiment in the transverse direction. As shown in FIG. 7(b), the insert sole 23 is stacked on the upper surface of the outer sole 10, and the insert 24 and the counter 25 are arranged above the insert sole 23.

A backing material 32 is stacked above (inside) the counter 25, and the rear part 22 is stacked further above it. The inwardly folded hanging portion 32a of the backing material 32 located below the rear part 22 is hung onto the bottom side of the rear part 22.

On the other hand, the outer folding part 31a of the outer cover material 31 is stacked on the inner inner bottom protruding part 23c of the inner inner sole 23 with the outer folded part 31a of the outer outer folded part 31a being spread outward. The material 31 is sewn out using the sewing thread 35. At this time, if necessary, the thin strip material 36 can be placed above the facing material 31 (outer folded portion 31a of the facing material) and stitched together with the thin strip material 36.

Like the shoes of this embodiment, the outer material 31 is spread outward and stitched, and the lining material 32 is folded inward and inserted into the midsole 20, thereby improving the flexibility of conventional stitch down shoes. It provides a higher holding power (fitting ability) than traditional stitch down shoes.

(Other embodiments)
In the embodiment described above, an example is given in which the upper member 30 is used in which the backing material 32 is provided in about half of the area on the rear side of the front material 31, but other materials may be used for the upper member 30. . The instep member 30 shown in FIGS. 8(a) and 8(b) has a toe lining material 37 provided on the inner toe side of the outer material 31.

An overlapping part (hereinafter referred to as "front material outer folded part") 37a that overlaps with the overhanging part 21b is provided at a position of the front lining material 37 that overlaps with the front material outer folded part 31a. A toe cap 33 is arranged between the front material 31 and the toe lining material 37. The front material 31, the toe cap 33, and the toe lining material 37 are integrated in advance with various adhesive means such as glue or double-sided tape.

FIG. 9 is a cross-sectional view of the toe side of the shoe shown in FIG. 8(a) in the transverse direction. As shown in this figure, the overhanging portion 21b of the front part 21 is stacked on the upper surface of the outsole 10, and the upper surface of the overhanging portion 21b includes a toe lining outer folded portion 37a, a toe core outer folded portion 33a, and The outer folded portions 31a of the outer facing materials are stacked in a state in which they are spread outward.

The overlaid outer sole 10, front part 21, toe lining material 37, toe core 33, and outer material 31 are sewn together using sewing thread 35. At this time, the thin strip material 36 may be placed above the facing material 31 (the outer folded portion 31a of the facing material), and the thin strip material 36 may be sewn together with the thin strip material 36. The thin strip material 36 may be provided as necessary, and can be omitted if unnecessary.

The configurations of the midsole and shoe described in each of the embodiments are merely examples, and the configuration of the midsole 20 and shoe of the present invention is not limited to the configurations of these embodiments. The insole 20 and shoes of the present invention can be modified, such as adding, omitting, or replacing the structure, without changing the gist thereof.

The insole 20 of the present invention can be used as the insole 20 of men's shoes, women's shoes, and children's shoes. Furthermore, the insole 20 of the present invention can be used not only for formal shoes but also as the insole 20 for casual shoes. In terms of shoe types, the insole 20 of the present invention can be used for shoes for various purposes, such as work boots, side gore boots, mountain boots, chukka boots, desert boots, country boots, engineer boots, lineman boots, and trekking shoes. It can be used as the midsole 20 of. The shoes of the present invention can be used as shoes for the various uses mentioned above.

10 Outer sole 11 Heel 20 Insole 21 Front part 21a Front footrest part 21b Overhang part 21c Front connection part 22 Rear part 22a Rear footrest area 22b Rear connection part 23 Insole sole 23a Slanted surface 23b Arrangement part 23c Insert Bottom overhang 24 Insole 25 Counter 26 Shank 27 Insole 30 Instep member 30a First covering area 30b Second covering area 30c Third covering area 31 Outer material 31a Layered portion (Outer folded portion of outer material)
32 Backing material 32a Inward folding part 33 Toecap 33a Overlapping part (outer folding part of toecap)
34 Shoe opening 35 Sewing thread 36 Thin strip material 37 Tip lining material 37a Overlapping part (outer folded part of tip lining material)

Claims (7)

In the insole of the shoe,
comprising a front part located on the front side of the shoe and a rear part located on the rear side of the shoe,
The front part includes a front footrest on which the wearer's feet rest, and an overhanging part that projects outward from the front footrest,
The rear part includes a rear footrest area on which the wearer's feet rest, and an area corresponding to the overhang part is not provided outside the rear footrest area.
The midsole is characterized by: In the midsole according to claim 1,
Equipped with a front part that makes up the front part and a rear part that makes up the rear part,
The front part and the rear part are integrally connected,
The midsole is characterized by: In the midsole according to claim 2,
The front part has a front connection part that is connected to the rear part,
The rear part has a rear connecting part that is connected to the front part.
The midsole is characterized by: In the midsole according to claim 3,
The front connection part is thinner than the other parts of the front part,
The rear connecting part is thinner than the other parts of the rear part,
The midsole is characterized by: In the midsole according to claim 2,
The front part and the rear part are made of different materials,
The midsole is characterized by: In shoes equipped with an outsole, an insole, and an instep,
The midsole is the midsole according to any one of claims 1 to 5,
An insole is provided below the rear part of the insole,
The inner sole includes an inner sole protruding portion that extends to the outside of the rear portion of the inner sole when overlapped with the inner sole,
The upper member includes a front material and a backing material provided in an area on the inside and rear side of the front material,
The backing material includes an inward folding part that is folded back inward,
Of the backing material, an inward folding part is hung under the inner sole,
A portion of the outer material that overlaps the overhanging portion of the inner sole is sewn to the outer sole together with the inner sole,
The part of the outer material that overlaps the overhanging part of the inner sole is sewn to the outer sole together with the inner sole.
Shoes characterized by: The shoe according to claim 6,
A toe lining material is provided on the inside of the facing material and in a region on the toe side of the facing material,
The tip lining material is spread outward and overlapped with the overhanging part, and is sewn to the inner sole and the outer sole.
Shoes characterized by:

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