JPH0824002A - Shoes - Google Patents

Abstract

PURPOSE:To provide shoes with which manufacture of inner members is easy and which are highly resistant to breakage and have good waterproofness as the shoes having bag-shaped inner members consisting of waterproof and moisture permeable sheets. CONSTITUTION:The waterproof and moisture permeable sheet is disposed only forward of the heel part in the base part of the inner member 1 and the heel part is formed as an aperture 5. As a result, the waterproof and moisture permeable sheet is not disposed over the entire part of the base and, therefore, even if the shoes receive iterative flexing motion at the time of walking, the tensile force in the aperture is absorbed and breaking of stitched parts (joined parts) does not arise. The motion of the feet is not restricted by the inner members to make walking easy. The stitching or joining operation is easy and wrinkling does not arise. The amt. of the relatively costly waterproof and moisture permeable sheets to be used is decreased by as much as the aperture, by which the workability is simplified and the manufacturing cost is reduced. Since the heel parts are formed tall, the waterproofness of the shoes is not affected even it the waterproof and moisture permeable sheets do not exist in the heel parts of the bases.

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 bag-shaped inner member made of a waterproof and moisture-permeable sheet.

[0002]

2. Description of the Related Art Conventionally, there has been provided a shoe which is provided with waterproofness while suppressing foot stuffiness by arranging a waterproof and moisture-permeable sheet having waterproofness and water vapor permeability as an inner member.

Of these waterproof shoes, the one in which the waterproof and moisture-permeable sheet is provided only on the instep portion is naturally inferior in waterproofness, and water easily gets in from the tip of the shoe.

Therefore, a shoe has been proposed in which a waterproof and moisture-permeable sheet is sewn or joined in a bag shape to form an inner member, and the inner member is arranged so as to be entirely covered from the instep part to the bottom part. (JP-A-58-118702, 60)
-103902, JP-A-6-70804).

[0005]

However, shoes provided with an inner member in which a waterproof and moisture-permeable sheet is formed in a bag shape have the following problems.

[0006] It is extremely difficult to form a completely bag-shaped inner member from the upper part to the bottom part by sewing or the like, and the sheet is likely to wrinkle. In order to completely eliminate wrinkles, the work requires considerable attention and skill, and the manufacturing cost is high.

The waterproof moisture-permeable sheet disposed on the bottom portion is sewn (or joined) with the waterproof moisture-permeable sheet of the upper part, the heel part, and other parts all around the circumference, so that the shoes are repeated during walking. , The portion of the suture (or joint) that is particularly susceptible to bending receives an excessive tensile force, and is likely to be frayed or broken at that location. In this case, the waterproofness of the shoe is impaired at this portion. In addition, in the case of an inner member that is stitched (or joined) with a high-strength waterproof and moisture-permeable sheet so as not to cause fraying or breakage, the inner member is difficult to follow the movement of the foot during walking, and it is difficult to walk. Difficult shoes.

The present invention solves the above-mentioned conventional problems and is a shoe having a bag-shaped inner member made of a waterproof and moisture-permeable sheet, wherein the inner member is easy to manufacture, is not easily damaged, and has a good waterproof property. Intended to provide shoes.

[0009]

According to a first aspect of the present invention, there is provided a shoe having a bag-shaped inner member made of a waterproof and moisture-permeable sheet, wherein the bottom portion of the inner member is provided with the sheet only in front of a heel portion. It is characterized in that the heel portion is an opening.

A shoe according to a second aspect of the present invention is characterized in that, in the first aspect, a tongue piece portion extends rearward from a rear edge portion of the sheet on the bottom surface portion of the inner member facing the opening. And

[0011]

In the shoe of claim 1, the waterproof / moisture permeable sheet is provided only in front of the heel portion on the bottom surface portion of the inner member, the heel portion is provided as an opening, and the waterproof / moisture permeable sheet is provided on the entire bottom surface. Since it is not provided, the tensile force is absorbed in the opening and the sutured portion (joint) is not frayed or broken even when subjected to repeated bending motions during walking. Moreover, since the movement of the legs is not restricted by the inner member, it is easy to walk.

Moreover, since there is an opening in the heel portion and there are few portions to be sewn (or joined) in a bag shape, the work of stitching or joining is easy, and wrinkles are prevented from occurring during stitching.

Further, the amount of the relatively expensive waterproof and moisture-permeable sheet to be used can be reduced by the amount corresponding to the opening, and the manufacturing cost can be reduced in combination with the simplification of the workability.

The inner member is provided so as to cover the instep cover other than the heel portion of the bottom surface, the front portion of the bottom surface, the side surface, the rear surface, etc., so that the waterproofness of the shoe is sufficiently ensured. That is, shoes
In a normal case, since the heel portion is higher, even if the waterproof permeable sheet does not exist on the heel portion on the bottom surface, the waterproofness of the shoe is hardly affected.

In the shoe of the second aspect, the opening area of the bottom surface can be reduced by the amount of the tongue piece. The peripheral portion of the tongue piece does not need to be sewn or joined. Therefore, providing the tongue piece does not complicate the sewing or joining work.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings.

FIG. 1 is a view showing an embodiment of an inner member used in the shoe of the present invention, FIG. 1 (a) is a plan view,
1B is a side view, FIG. 1C is a bottom view, and FIG.
FIG. 2 is a sectional view taken along line DD of FIG. 2 is a plan view showing each component of the inner member shown in FIG.
FIG. 4 is a perspective view from below of an inner member.

In this specification, the front of the shoe or the inner member refers to the tip of the shoe, that is, the toe side, and the rear refers to the heel side of the shoe.

Inner member 1 used in shoes of embodiment
2 is a waterproof / moisture permeable sheet for instep (hereinafter referred to as "instep sheet") 2 which mainly constitutes the upper front half portion including the instep portion of the inner member as shown in FIG. 2 (a), and FIG. As shown in FIG. 2 (b), a waterproof and moisture-permeable sheet for heel (hereinafter, referred to as “sheet for heel”) 3 which mainly constitutes the rear half of the side including the heel portion of the inner member as shown in (c). A waterproof and moisture-permeable sheet for bottom surface (hereinafter referred to as "sheet for bottom surface") 4 which mainly constitutes the bottom half of the bottom surface of the inner member is sewn together, and as shown in FIG. The bottom sheet 4 is provided only in front of the heel portion, and the heel portion is the opening 5.

As shown in FIG. 3, the inner member 1 is formed by sewing the notches 2a and 2b of the toe cover sheet 2, and the side peripheral portions 2A and 2B of the upper cover sheet 2 to the side peripheral portion 4 of the bottom sheet 4.
A and 4B, respectively, are sewn to form a bag. Further, the notch 3a of the heel portion of the heel sheet 3 is sewn, and the front sides 3A, 3
B is sewn to the rear side edges 2E and 2F of the instep cover sheet 2, and the side edge portions 3C and 3D of the heel sheet 3 are sewn to the rear end side portions 2C and 2D of the instep cover sheet 2, respectively. It is manufactured by In addition, it is preferable to attach a waterproof tape to each sewn portion of the inner member 1 for sealing.

With such an inner member 1, since the bag-like stitched portion is smaller than the conventional inner member,
The sheet can be easily sewn without wrinkling or cramping. In addition, the amount of the waterproof and moisture-permeable sheet used is reduced only in the opening 5 on the bottom surface, so that not only suturing costs but also material costs are reduced.

Since the heel portion of the bottom surface of the inner member 1 is the opening 5, the inner member 1 as a whole can freely expand and contract in the front-back direction even if the inner member 1 undergoes repeated bending motions during walking. Therefore, the sutured portion is not excessively stressed. Therefore, the stitched portion does not fray or break. Further, since the movement of the foot is not restricted by the inner member, it is easy to walk.

In this manner, the opening 5 is formed in the heel portion of the bottom surface.
Even when the inner member 1 has the heel portion of the shoe, the heel portion of the shoe is higher at the heel of the shoe, and the waterproofness of the shoe is hardly impaired by the opening 5.

However, it is preferable that the opening is as small as possible from the viewpoint of ensuring waterproofness, as long as the number of the bag-shaped stitching portions is not increased.

For this reason, in the present embodiment, from the rear edge portion facing the opening 5 of the bottom sheet 4 of the inner member 1,
The tongue piece 6 extends rearward. This tongue piece 6
Is not sewn on the side periphery with the upper cover sheet 2 and is in the form of a free piece.

The extension length S of the tongue piece 6 depends on the size of the shoe, but it is preferable to extend the tongue piece 6 in order to improve waterproofness and shoe making. Specifically, S is preferably set to 40 mm or less, particularly preferably about 2 to 30 mm.

The size of the opening 5 on the bottom surface of the inner member 1 is usually such that the length L from the tip of the tongue piece 6 to the rear edge of the opening 5 is the size of the shoe (total length in the front-rear direction). 2)
It is preferable to make it about 0 to 50%, more preferably 25 to 35%.

The inner member 1 is inserted into the outer skin of the shoe, and the rear part of the upper surface of the upper sheet 2 is sewn to the upper tongue to complete the shoe. In this shoe, an insole (not shown) is usually laid.

In the present invention, the waterproof / moisture permeable sheet forming the inner member is not particularly limited, and those conventionally used as the waterproof / moisture permeable sheet of the inner member can be used. Specifically, porous polytetrafluoroethylene sheet, other non-hydrophilic porous layer coating cloth (for example, coating material such as non-hydrophilic polyacrylic resin), water vapor permeable non-porous film laminating cloth (for example, , A film laminated material made of hydrophilic polyurethane resin or hydrophilic fluororesin), a water vapor permeable non-porous layer coated cloth (for example, a porous layer coating material made of hydrophilic polyurethane or hydrophilic fluororesin), and other high density Fiber cloth or the like can be used. The waterproof pressure of the waterproof and moisture-permeable sheet is 1000.
It is preferable that it is 10000 mm / cm ² .

In the present invention, the thickness of the waterproof and moisture-permeable sheet is 5 to 50 μm, particularly 1 to 50 μm, in view of its strength and waterproofness.
It is preferably about 0 to 40 μm, and its moisture permeability is 5 mg / cm ² · h or more, particularly 8 to ²⁰ mg / c.
It is preferably m ² · h.

The waterproof / moisture permeable sheet is preferably stretchable. As the stretchable waterproof / moisture permeable sheet, a stretchable waterproof / moisture permeable polyurethane resin sheet such as polyether-based or polyester-based can be used,
The extension rate is preferably 3 to 100%.

These waterproof and moisture-permeable sheets can be used by laminating them with other sheets in order to improve durability, heat retention and tactile sensation. Sheets to be laminated include taffeta, twill, lip, satin weave, circular knit, warp knit, sheet knit, tricot knit, tricot half knit, urethane-based artificial leather, natural leather, Stretchable fiber knits and the like can be mentioned.

In the above description, the case where the inner member is manufactured by suturing the waterproof and moisture-permeable sheet has been exemplified. However, the inner member is not only stitched but also formed into a bag shape by other means such as fusion or bonding with an adhesive. Needless to say, it may be formed.

[0034]

As described in detail above, according to the shoe of the present invention, there is provided a waterproof shoe which is easy to manufacture and can be manufactured at low cost, and which is easy to walk without the problem of damage to the inner member.

According to the shoe of claim 2, the waterproof property of the shoe is further enhanced.

The shoes of the present invention can be applied to various shoes, but are particularly suitable as golf shoes.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of an inner member used for shoes of the present invention, wherein FIG. 1 (a) is a plan view and FIG. 1 (b).
1 is a side view, FIG. 1C is a bottom view, and FIG.
It is sectional drawing which follows the DD line | wire of (a).

FIG. 2 is a plan view showing each component of the inner member shown in FIG.

FIG. 3 is a perspective view of the inner member of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner member 2 Instep cover sheet 3 Heel sheet 4 Bottom sheet 5 Opening 6 Tongue piece

Claims (2)

[Claims] 1. A shoe having a bag-shaped inner member made of a waterproof and moisture-permeable sheet, wherein the sheet is disposed only in front of a heel portion on a bottom portion of the inner member, and the heel portion is an opening. A shoe characterized by that. 2. The shoe according to claim 1, wherein a tongue piece portion extends rearward from a rear edge portion of the sheet of the bottom surface portion of the inner member facing the opening.