Producing device and producing method for chopped fiber bundles, producing device and producing method for fiber-reinforced resin forming materials, cutting blade for carbon fiber bundles, and rotary cutter for carbon fiber bundles

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United States of America Patent

PATENT NO 10927479
APP PUB NO 20180209076A1
SERIAL NO

15925849

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Abstract

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One mode of the invention relates to a producing a device for chopped fiber bundles having a chopper unit including a cutting blade for cutting long fiber bundles, a guide for restricting the travel direction of the fiber bundles to be supplied to the cutting means, and a structure, provided between the chopper unit and the guide, that widens the fiber bundles. The invention also relates to method for producing chopped fiber bundles by widening fiber bundles while restricting the travel direction of the long fiber bundles to be supplied to chopper unit by a guide, and obtaining chopped fiber bundles by cutting the fiber bundles with the chopper unit.

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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
Ishikawa, Ryuichi Tokyo, JP 21 115
Iwata, Hiroshi Tokyo, JP 354 5885
Kamata, Masatoshi Tokyo, JP 14 76
Mizutori, Yukihiro Tokyo, JP 24 35
Okutsu, Hajime Tokyo, JP 12 27
Samejima, Tadao Tokyo, JP 28 61
Watanabe, Yasushi Tokyo, JP 204 2847

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