Friction drive belt and automotive accessory drive belt transmission system using the same

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United States of America Patent

PATENT NO 9169897
APP PUB NO 20100203994A1
SERIAL NO

12671018

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Abstract

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A friction drive belt (B) includes short fibers (14) and carbon black (18) both scattered so as to be exposed at a surface of at least a contact part (13) of a rubber belt body (10) with a pulley. The short fibers (14) include short, high modulus fibers made of polymers having a main chain which does not contain an aromatic compound and having an initial tensile resistance, measured according to JIS L 1013, of equal to or greater than 100 cN/dtex, and the carbon black (18) contain large-particle-diameter carbon black having an iodine absorption, measured according to JIS K 6217-1, of equal to or less than 40 g/Kg, and/or a specific surface area, measured by nitrogen adsorption according to JIS K 6217-2, of equal to or less than 40 m2/g.

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Patent Owner(s)

Patent OwnerAddress
BANDO CHEMICAL INDUSTRIES LTD6-6 MINATOJIMA MINAMIMACHI 4-CHOME CHUO-KU KOBE-SHI HYOGO 650-0047

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujikawa, Tomoyuki Kobe, JP 7 22
Nakashima, Eijiro Kobe, JP 10 82
Okuno, Shigeki Kobe, JP 12 153

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