Fiber reinforced resin screw

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10533596
APP PUB NO 20170241465A1
SERIAL NO

15519706

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Abstract

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The present invention is relates to a fiber reinforced resin screw 10, 20 shaped using a resin composition containing reinforcing fiber in a resin. A pitch of threads has a length of 1.5 to 2 times of a standard pitch corresponding to an outer diameter of the threads prescribed in standards of a metric coarse screw, a unified coarse screw and a unified fine screw. An average fiber length of the reinforcing fiber is 1 to 1/3 times of the pitch of the threads in the fiber reinforced resin screw. A content rate of the reinforcing fiber is in a range of 20 to 80%. In this way, the fiber reinforced resin screw to have improved is provided in the strength of the thread.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTD2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 100-8332

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horie, Naohiro Tokyo, JP 2 3
Ikada, Akira Tokyo, JP 15 21

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