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Sneaker sole

A technology for sports shoes and soles, applied in the field of sports shoes, can solve the problems of wear resistance, low mechanical strength, poor thermal stability, etc.

Inactive Publication Date: 2018-04-06
QIAODAN SPORTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, EVA (vinyl acetate copolymer) has low mechanical strength, poor thermal stability, and no wear resistance, which limits its further application.

Method used

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  • Sneaker sole
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Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment one: if figure 1 As shown, a sports shoe sole of the present invention includes a support member 1 , a midsole 2 and an outsole 3 . The support part 1 is located above the midsole 2 and is made of hard EVA material. The midsole 2 is located at the heel between the support part 1 and the outsole 3 and extends to two-thirds of the sole of the foot. . The surface of the middle side wall of the sole is embossed with diamond grain particles of different sizes. The midsole of the shoe is made of a blended material containing olefin block copolymer and ethylene-vinyl acetate copolymer. There are two material formulations, one: the midsole material of the shoe contains olefin block copolymer, , talcum powder, zinc oxide, stearic acid, zinc stearate, polyethylene wax, titanium dioxide, foaming agent, crosslinking agent; the material ratio is: olefin block copolymer 75%, vinyl acetate copolymer 25% %, talc powder 8%, zinc oxide 1.5%, stearic acid 0.5%, zinc stearate...

Embodiment 2

[0023] Embodiment two: if figure 2 As shown, on the basis of Embodiment 1, the shoe midsole 2 is applied to the sole of the foot, and the support member 1 is located at the middle waist of the shoe on the upper surface of the shoe midsole, increasing the area and thickness of the shoe midsole, and strengthening the height of the sole. Resilience performance. At the same time, the support part 1 at the middle waist of the shoe is made of nylon material with relatively high hardness. During the wearing process of the shoe, on the one hand, the rebound performance of the sole is enhanced to save the wearer's movement energy. , hard nylon support components, strengthen the support stability and anti-torsion effect of the sole.

[0024] On the basis of Embodiments 1 and 2, according to different design requirements, the midsole of the shoe can be set as a half-foot shape, which is only located at the heel. The embossing of the side wall of the midsole of the shoe can also be desi...

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Abstract

The invention discloses a sports shoe sole, which comprises a shoe midsole, a supporting part and an outsole. The shoe midsole is made of a blended material containing an olefin block copolymer and an ethylene-vinyl acetate copolymer, and the olefin block copolymer is The material has the characteristics of high crystallization temperature, fast processing speed, low material density and high resilience. In the original formula of vinyl acetate copolymer sole, a certain proportion of olefin block copolymer is added to improve the rebound rate of the sole and reduce the elasticity of the sole. The thermal shrinkage rate and compression deformation degree of the shoe can enhance the physical and mechanical properties of the sole, help the wearer save exercise energy and improve exercise performance.

Description

technical field [0001] The invention belongs to the field of sports shoes, in particular to a sports shoe sole with high resilience performance. Background technique [0002] The energy return of running shoes is an important factor to measure its quality. The better the energy return, the less extra work the human body consumes when wearing the shoes, which also shows that wearing the shoes saves effort. According to research by experts in the field of sports and shoemaking, there are two factors that affect the energy return of running shoes. One is the structural design of the sole, and the other is the hardness and resilience of the sole material itself. In terms of the structural design of the sole, the shoemaking field adopts sole structures such as rings and hollows. In terms of sole materials, most of the shoemaking industry currently adopts EVA (vinyl acetate copolymer) foaming technology. EVA (vinyl acetate copolymer) is a non-toxic, odorless, transparent thermopl...

Claims

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Application Information

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IPC IPC(8): A43B13/04A43B13/12A43B13/14C08L53/00C08L23/08C08K13/02C08K3/34C08K3/22C08K5/09C08K5/098
CPCA43B13/04A43B13/125A43B13/14C08L53/00C08L2203/14C08L2205/03C08L23/0869C08K13/02C08K3/34C08K2003/2296C08K5/09C08K5/098
Inventor 戴惠恋阮果清杨建国吴世东
Owner QIAODAN SPORTS CO LTD
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