Carbon-fiber chopped strand and manufacturing method of the same

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United States of America Patent

PATENT NO 9181640
APP PUB NO 20120326342A1
SERIAL NO

13583137

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Abstract

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Disclosed is a carbon-fiber chopped strand, and a manufacturing method of the same. The carbon-fiber chopped strand is composed of single filaments composed of 30,000-120,000 carbon fibers, and a sizing agent content 1-10% by weight that bundles the single filaments; the ratio of maximum diameter (Dmax) in the cross section and minimum diameter (Dmin) is 1.0-1.8, a length along a fiber direction is 3-10 mm, and a repose angle of 10-30°.

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Patent Owner(s)

Patent OwnerAddress
TOHO TENAX CO LTDTOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saeki, Takao Shizuoka, JP 31 707
Tsunekawa, Hiroshi Shizuoka, JP 5 7
Yoshida, Akio Shizuoka, JP 110 1369

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