US 7,485,060 B2
Rubber composition and power transmission belt incorporating the rubber composition
Yorifumi Hineno, Hyogo (Japan); Takeshi Nishiyama, Hyogo (Japan); Toshimichi Takada, Hyogo (Japan); Hiroki Takechi, Hyogo (Japan); and Kazuhiro Takeda, Hyogo (Japan)
Assigned to Mitsuboshi Belting Ltd., (Japan)
Filed on May 26, 2004, as Appl. No. 10/854,418.
Claims priority of application No. 2003-154023 (JP), filed on May 30, 2003; and application No. 2004-116138 (JP), filed on Apr. 09, 2004.
Prior Publication US 2005/0037882 A1, Feb. 17, 2005
Int. Cl. F16G 1/00 (2006.01); F16G 5/00 (2006.01); B32B 25/02 (2006.01); B32B 27/12 (2006.01)
U.S. Cl. 474—263  [474/260; 428/295.1; 428/375; 428/395] 33 Claims
OG exemplary drawing
 
11. A power transmission belt comprising:
a body having a length, a tension section and a compression section,
the compression section comprising a rubber composition, the rubber composition comprising:
(a) 10-50 parts by mass of polyamide short fiber per 100 parts by mass of a rubber; and
(b) 10-100 parts by mass of a solid lubricant per 100 parts by mass of the rubber, wherein the polyamide short fibers have a length of 1-8 mm and denier of 5-10.