Frictional forced power transmission belt and belt drive system with the same
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United States of America Patent
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Aug 21, 2007
Grant Date -
Oct 28, 2004
app pub date -
Mar 31, 2004
filing date -
Apr 25, 2003
priority date (Note) -
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Abstract
A frictional forced power transmission belt transmits power to a pulley with its belt body wound around and in contact with the pulley. At least a contact part of the belt body with a pulley is formed of a rubber composition which contains ethylene-.alpha.-olefin elastomer as a rubber component but contains substantially no short fibers and which has a rubber hardness of not less than 80 but less than 95 when measured with a type A durometer in conformity with JIS K6253.
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