JPH0568308U - Insole - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] The purpose is to improve the insole to improve the fit of the shoe at the heel and to improve the comfort and the life of the shoe. A shoe insole 10 is provided which is provided with sponge wing-shaped extensions 14 projecting toward the inner and outer heels on both sides of the heel.

Description

[Detailed description of the device]

BACKGROUND OF THE INVENTION AND PROBLEMS The present invention relates to the improvement of insoles inside shoes.

[0002] In the conventional shoe type, the heel width is usually designed with some margin from the expected actual ground contact heel width. As a result, when worn, a gap is created between the upper and the heel below the inner and outer malleolus of the wearer, which not only hinders the fit but also the relative distance between the inside and outside of the heel of the pedestrian and the shoes. The inner shoe material was often damaged by friction due to exercise.

Therefore, an object of the present invention is to improve the insole so as to improve the fit of the shoe at the heel portion, to improve the wearing comfort and the life of the shoe.

SUMMARY OF THE INVENTION Accordingly, the present invention provides a sock insole characterized in that it has sponge wing-like extensions projecting toward the inner and outer fruits on both sides of the heel.

DESCRIPTION OF SPECIFIC EMBODIMENTS Referring to FIG. 1, a perspective view of the insole of the present invention, generally indicated at 10, is seen. The insole 10 includes a main body 12 and wing-shaped extensions 14 and 14 projecting toward the inner fruit and the outer fruit on both sides of the heel portion.

FIG. 2 is a rear view of the insole 10 shown in FIG. The wing extensions 14, 14 are attached to the back surface of the body 12 by adhesion.

The main body 12 is preferably made of a composite material of cloth such as non-woven fabric, knit or woven fabric and foamed sheet such as latex sponge, EVA sponge or polyurethane foam. The wing extensions 14, 14 may be a composite material including a foam sheet similar to the body, or a sponge sheet alone. Further, it may be constituted by an air bag in which air is enclosed by blow molding, high frequency processing or the like. 4 is a plan view thereof and FIG. 5 is a sectional view thereof. Preferably, the outer edges of the wing extensions 14, 14 should be tapered to avoid forming abrupt steps. The shock absorbing material 16 is preferably made of a material such as latex sponge having a high cushioning property. In some cases, the corresponding portion of the main body 12 may be made thin, and a thick shock absorbing material may be used to enhance the cushioning property.

Although FIG. 1 and FIG. 2 show the insole 10 of one of the left foot, it goes without saying that the insole of the right foot is manufactured symmetrically.

FIG. 3 shows a back view of an insole 20 according to another embodiment of the present invention. The insole 20 of this example body has wing extensions 24, 24 integral with the body 22 and has the same structure as the embodiment shown in FIGS.

Yet another embodiment of the present invention includes a half insole in which the body 12 or 22 does not extend from the dashed line in FIGS. Also in this case, it is preferable that the toe side edge of the main body 12 or 22 is formed as a tapered surface so that no step is formed.

The insole of the present invention prevents the wing-shaped extension from forming a gap between the heel of the wearer and the shoe below the inner and outer malleolus, and enhances the fit of the shoe, and In that part, it has the effect of extending the life of the shoe by preventing damage to the inner material due to friction between the inner surface of the shoe and the heel of the wearer, and it is necessary to make significant changes to the conventional shoe manufacturing process. Have no profits.

Further, by mounting an impact absorbing material on the lower part of the calcaneus, the shock applied to the heel part at the time of landing can be softened, and a further insole effect can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of an insole of the present invention.

FIG. 2 is a rear view of the insole of FIG.

FIG. 3 is a rear view of an insole according to another embodiment of the present invention.

FIG. 4 is a plan view of an insole having an air bag type wing-like extension.

5 is a cross-sectional view taken along line 5-5 of FIG.

[Explanation of symbols]

 10,20 Insole 12,22 Main body 14,24 Wing-like extension 16,26 Shock absorber

Claims (1)

[Scope of utility model registration request] 1. An insole of a shoe, comprising wing-shaped extensions made of sponge which project toward the inner and outer fruits on both sides of the heel portion.