Polyurethane sponge insole and shoe midsole product

Abstract

The invention provides a polyurethane sponge insole and a shoe midsole product. The polyurethane sponge insole comprises a leather cushion layer and a polyurethane sponge layer; the upper surface of the leather cushion layer is away from the shoe midsole; the forefoot part of the leather cushion layer is provided with a plurality of holes, and the portion, from the tail end of the forefoot part tothe heel part, of the lower surface of the rear outer peripheral edge part of the leather cushion layer is used for tightly fitting the midsole; the inner side of the middle of the leather cushion layer is provided with an arc-shaped bump for fitting and supporting the foot arch; the upper surface of the polyurethane sponge layer fits the lower surface of the leather cushion layer; the rear outerperipheral edge part of the leather cushion layer is removed, and the polyurethane sponge layer is a high-elastic sponge full-sheet part the shape of which is the same as the projection shape of theleather cushion layer. The polyurethane sponge insole has good comfort, helps to improve the air permeability inside shoes and solves the problem that the internal odor of the shoes is strong due to poor air ventilation in the traditional shoes accordingly.

Description

technical field [0001] The present application relates to the technical field of footwear products, in particular to a polyurethane sponge insole and shoe midsole products. Background technique [0002] Shoes have a long history of development. Footwear production is an important industry in my country's light industry and an integral part of the clothing industry. There are many ways to classify shoes. According to different wearing objects, there are men's shoes, women's shoes, children's shoes, elderly shoes, etc.; according to the style, the head shape has square toe, round toe, pointed toe, etc., and the heel type has flat heel. , high heels, wedges, etc. According to the main material, there are leather shoes, cloth shoes, plastic shoes and so on. Wherein, the composition structure of leather shoes generally comprises: parts such as upper of a shoe, shoe-pad, sole (outsole, midsole), heel. [0003] Due to the transformation of the social form, the society is becomin...

AI Technical Summary

Problems solved by technology

However, wearing shoes including the above-mentioned traditional sponge insoles for a long time has the problems of heavy odor inside the shoes and insufficient comfort of the shoes.

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