Friction transmission belt

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8979692
APP PUB NO 20120021858A1
SERIAL NO

13258817

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A belt body (10) of a friction transmission belt (B) includes a pulley contacting portion (13) made of a rubber composition. The rubber composition forming the pulley contacting portion (13) includes an ethylene-α-olefin elastomer as a rubber component, and in the rubber composition, 10-50 parts by mass of calcium carbonate relative to 100 parts by mass of the rubber component, and carbon black whose DBP oil absorption amount measured according to the method A specified in Japanese Industrial Standards (JIS) K 6217-4 is 300 cm3/100 g or more are mixed.

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Patent Owner(s)

  • BANDO CHEMICAL INDUSTRIES, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuda, Hisashi Hyogo, JP 55 461
Takahashi, Shinji Hyogo, JP 119 1841

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