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US 2011/0300981 A1Published application
Friction drive belt
AssigneeBando Chemical Industries, Ltd.
InventorsShinji Takahashi, Kenichiro Furuta, Hiroyuki Shiriike, Tomoyuki Yamada, Hiroyuki Tachibana
Life of this patent
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Abstract
A friction drive belt (B) includes a belt body (10) that is wrapped around pulleys in contact therewith to transmit power. At least a pulley contact portion (15) of the belt main body (10) is made of a rubber composition containing 30-80 parts by mass of at least one layered silicate selected from a smectite group and a vermiculite group, per 100 parts by mass of raw rubber containing an ethylene-α-olefin elastomer.
Claims20
A friction drive belt, comprising:
- a belt body that is wrapped around pulleys in contact therewith to transmit power, wherein
- at least a pulley contact portion of the belt main body is made of a rubber composition containing 30-80 parts by mass of at least one layered silicate selected from a smectite group and a vermiculite group, per 100 parts by mass of raw rubber containing an ethylene-α-olefin elastomer.
Dependencies are inferred from the claim text.