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Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof

A technology of polyurethane and health-care shoes, which is applied to footwear, footwear, household appliances, etc., can solve the problems of poor air permeability, easy to produce odor, no ventilation and perspiration, etc.

Inactive Publication Date: 2008-10-08
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its compact structure and no bonding, it has poor air permeability and is prone to odor, which has become a major defect of even upper shoes.
And because the production process and structure of the upper injection molding shoes are very different from the existing various ordinary shoes, the existing structure and the ventilation and perspiration production process cannot be used at all, so all kinds of shoes currently on the market Even the injection molded shoes don’t have the function of ventilating and perspiration

Method used

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  • Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof
  • Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof
  • Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof

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Embodiment Construction

[0022] like figure 1 As shown, the polyurethane injection-molded health shoes with ventilation and perspiration function still include upper 1, inner bottom 2, midsole 3 and polyurethane outer bottom 4, upper 1 is made of leather or leather, inner bottom 2 It can also be made of leather, leather or fabric. The forefoot part is provided with a ventilating through hole 5, and the diameter of the venting through hole 5 is preferably 1-1.5mm; the midsole 3 is made of one of materials such as TPR, rubber PU, TPU or TR. The upper surface is provided with a dendritic air guide groove 6 from the heel to the sole of the foot, and at least the forefoot part of the upper surface is evenly provided with a ventilating groove 7 communicating with the air guide groove 6 to form a communicating air passage. There is a protruding pressing hole 8 for the air bag 10, the shape is preferably oval, similar to the air bag 10, the depth of the air guide groove 6 is generally 2-4 mm, the depth of the...

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Abstract

The invention relates to a polyurethane injection shoe with ventilate function and relative production, wherein it comprises upper of shoe, inner bottom, middle bottom and polyurethane outer bottom; it arranges air bubble, ventilate hole and ventilate one-way valve at the sole of polyurethane outer bottom; arranges connecting air tube and inlet one-way valve at the middle bottom to connect the air bubble; and the middle bottom, air bubble, upper of shoe and outer bottom are injected into one body.

Description

technical field [0001] The invention relates to shoes that people wear daily, in particular polyurethane PU upper injection-molded shoes with ventilation and perspiration functions and a manufacturing process thereof. Background technique [0002] The structure and production process of traditional shoes are to make soles and uppers separately, and then glue them together. In the 1990s, polyurethane upper injection shoes came out. The structure of polyurethane upper injection shoes generally includes upper, inner bottom, midsole and outer bottom. On the mold, the polyurethane PU foaming liquid material is injected into the mold and foamed. Because PU itself has very strong adhesiveness, there is no need to apply glue, which reduces the pollution of benzene. In addition, the polyurethane bottom is light, wear-resistant and resistant to twists and turns, and it is quickly favored by people. However, due to its compact structure and no bonding, it has poor air permeability an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A43B7/06B29D31/50B29K75/00B29D35/00
Inventor 管兴无
Owner 管兴无