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TPU foaming sole manufacturing process and finished product thereof

A technology of forming agglomerates and bubbles, applied in the field of TPU foamed sole manufacturing process and its finished products, can solve problems such as affecting the price of shoes

Inactive Publication Date: 2021-04-16
GIA JIU ENTERPRISE MFG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the materials used for the above-mentioned soles are not perfect. Each material has its advantages and disadvantages, which also affects the overall price of the shoe. Therefore, consumers must also pay attention to the selection of materials when purchasing shoes. Conducive to follow-up maintenance and cleaning

Method used

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  • TPU foaming sole manufacturing process and finished product thereof
  • TPU foaming sole manufacturing process and finished product thereof
  • TPU foaming sole manufacturing process and finished product thereof

Examples

Experimental program
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Embodiment Construction

[0033] In order to make the above objects, features and features of the present invention more comprehensible, the relevant embodiments of the present invention are described in detail as follows in conjunction with the following figures.

[0034] see figure 1 As shown, the TPU foam sole manufacturing process of the present invention includes a kneading step, a tableting step, a crushing step, a drying step and a foaming step. The following describes the technical characteristics of each step, and please refer to Figure 2 to Figure 6 shown.

[0035] In the kneading step, the thermoplastic polyurethane elastomer 10, the nucleating agent 11, the slip agent 12, the antioxidant 13, and the ultraviolet absorber 14 are put into the kneading machine 21, and the agglomerated rubber compound 31 is obtained through heating and kneading;

[0036] In the tableting step, the aforementioned agglomerated rubber material 31 is put into the tablet press machine 22, and foaming agent 15, cha...

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PUM

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Abstract

The invention relates to a TPU (Thermoplastic Polyurethane) foaming sole manufacturing process which comprises a mixing step, a sheet discharging step, a crushing step, a drying step and a foaming step, is completed by adopting a foaming agent through mixing, sheeting and in-mold pressure relief expansion, and is different from a common method for foaming by using high-pressure gas, a TPU foaming sole containing a plurality of bubble holes is manufactured, the bubble holes comprise closed hole structures and open hole structures, the open hole structures account for less than 10% of the whole quantity of the bubble holes, and the open hole structures are communicated with one another.

Description

technical field [0001] The present invention relates to a foamed shoe sole manufacturing process and its finished product, in particular to a TPU foamed shoe sole manufacturing process and its finished product. Background technique [0002] Shoes are one of the indispensable daily necessities in human life. They protect the wearer's feet from being directly exposed, stepping on hot or freezing environments, or moderately protect the soles of the feet from accidental collisions and injuries due to external forces. Shoemaking technology With the development of technology and materials, people's choice and requirements for shoes are also constantly improving, especially for different occasions and types of activities to choose shoes with appropriate functions. [0003] From the composition of shoes, there are roughly two parts: the upper and the sole, and the materials used for the sole are rubber, EVA (ethylene vinyl acetate copolymer), PU (polyurethane), and TPE (thermoplasti...

Claims

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Application Information

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IPC IPC(8): B29C44/02B29B9/04A43B13/04C08L75/06C08L75/08C08L77/00C08K3/36C08K3/34C08J9/08C08J9/10
Inventor 郭志雄
Owner GIA JIU ENTERPRISE MFG CORP
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