Method for producing fiber-reinforced resin molding material, and apparatus for producing fiber-reinforced resin molding material

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United States of America Patent

PATENT NO 12023876
APP PUB NO 20210017670A1
SERIAL NO

17036333

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Abstract

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What is provided is a method for stably producing a fiber-reinforced resin molding material by splitting a fiber bundle such that a split portion becomes long while anon-split portion is shortened. A method for producing a fiber-reinforced resin molding material in which a cut fiber bundle is impregnated with a resin, the method comprising a splitting step of splitting the fiber bundle with a splitting machine at intervals in a longitudinal direction and a cutting step of cutting the fiber bundle at intervals in the longitudinal direction after the splitting step, in which the splitting machine comprises a rotary blade having a releasing section and a spacer member adjacent to the rotary blade.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI CHEMICAL CORPORATION1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 100-8251

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanehagi, Junji Tokyo, JP 16 20
Mizutori, Yukihiro Tokyo, JP 24 35
Samejima, Tadao Tokyo, JP 28 61

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