Process for producing a polyurethane foam insole

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United States of America Patent

PATENT NO 11787897
APP PUB NO 20210139638A1
SERIAL NO

16771750

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Described herein is a method for producing a PU foam insole, including the following steps of: (1) pouring the raw materials used to form a PU foam into a mould, reacting to obtain a PU sheet, where the height of the mould cavity is from about 1.0 to about 1.6 times of the total thickness of two finished insoles; (2) splitting the PU sheet into two halves in the horizontal direction to obtain two pieces of PU insole material, where one surface of the material has open pores, and the other surface of the material has a skin; and (3) attaching a piece of fabric onto the surface having open pores of the material obtained in step (2). Also described herein is a PU foam insole produced by the method.

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Patent Owner(s)

  • BASF SE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liang, Zhen Peng Guangzhou, CN 3 0
Zhong, Yun Bang Guangzhou, CN 2 0

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