Patent ID: 6942590
Filing Date: 2005-09-13
Classification: F16G

Abstract:
1. A high load power transmission V-belt, which comprises (a) an endless tensile band including a tensile band main body formed of a rubber composition and top and bottom fabrics provided on upper and lower surfaces of said tensile band main body, respectively, and (b) a plurality of blocks disposed side by side at intervals in the longitudinal direction of said tensile band each block being brought into engagement with said tensile band on which said top and bottom fabrics are in contact with each said block, for transmitting power by friction of said plurality of blocks against pulleys, wherein at least one of said top and bottom fabrics is made of a fabric subjected to a dipping treatment with a rubber solution prepared by dissolving a non cross-linked hydrogenated nitrile rubber composition, mixed with a polyethylene powder having a molecular weight in excess of 1 million and an organic peroxide as a cross-linking agent, in a solvent in order to increase abrasion resistance while reducing noise generation and heat generation between said fabric and said blocks at said contact such that the life of said blocks is substantially increased.