Power transmission belt
First Claim
Patent Images
1. A power transmission belt comprising:
- a body with an inside and outside and laterally oppositely facing side surfaces, the body having at least one surface that engages a pulley to frictionally transmit forces between the power transmission belt and pulley, the body comprising rubber defining at least a part of the at least one surface that is a composition comprising a blend of;
a) 100 parts by weight of an ethylene/α
-olefin elastomer;
b) 10 to 25 parts by weight of a plasticizer having a solubility parameter of from 8.3 to 10.7 (cal/cm3)1/2; and
c) 60 to 110 parts by weight of an inorganic filler.
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Abstract
A power transmission belt having a body with an inside, an outside, and laterally oppositely facing side surfaces. The body has at least one surface that engages a pulley to frictionally transmit forces between the power transmission belt and pulley. The body includes rubber defining at least a part of the at least one surface. The rubber is a composition made up of a blend of at least: a) 100 parts by weight of an ethylene/α-olefin elastomer; b) 10 to 25 parts by weight of a plasticizer having a solubility parameter of from 8.3 to 10.7 (cal/cm3)1/2; and c) 60 to 110 parts by weight of an inorganic filler.
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Citations
45 Claims
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1. A power transmission belt comprising:
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a body with an inside and outside and laterally oppositely facing side surfaces, the body having at least one surface that engages a pulley to frictionally transmit forces between the power transmission belt and pulley, the body comprising rubber defining at least a part of the at least one surface that is a composition comprising a blend of;
a) 100 parts by weight of an ethylene/α
-olefin elastomer;
b) 10 to 25 parts by weight of a plasticizer having a solubility parameter of from 8.3 to 10.7 (cal/cm3)1/2; and
c) 60 to 110 parts by weight of an inorganic filler. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification