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US 2011/0086735 A1Published application
Friction drive belt and belt transmission system using the same
AssigneeBando Chemical Industries, Ltd.
InventorsShinji Takahashi, Hisashi Matsuda
Life of this patent
Estimating the term…
Abstract
A friction drive belt (B) includes a pulley contacting portion (13) which is made of a rubber composition of an ethylene-α-olefin elastomer as raw rubber in which carbon black having an iodine adsorption number of 40 mg/g or lower, and 3-10 parts by mass of short aramid fiber (14) relative to 100 parts by mass of the raw rubber are blended.
Claims4
A friction drive belt comprising:
- a pulley contacting portion which is made of a rubber composition of an ethylene-α-olefin elastomer as raw rubber in which carbon black having an iodine adsorption number of 40 mg/g or lower, and 3-10 parts by mass of short aramid fiber relative to 100 parts by mass of the raw rubber are blended.
A belt transmission system comprising:
- a friction drive belt including a pulley contacting portion which is made of a rubber composition of an ethylene-α-olefin elastomer as raw rubber in which carbon black having an iodine adsorption number of 40 mg/g or lower, and 3-10 parts by mass of short aramid fiber relative to 100 parts by mass of the raw rubber are blended, wherein
- the friction drive belt is wrapped around a plurality of pulleys including a pulley having a diameter of 70 mm or smaller.
Dependencies are inferred from the claim text.