Patent ID: 8512186
Filing Date: 2013-08-20
Classification: F16G

Abstract:
1. A power transmission belt comprising: a body having a length, an inside and an outside, the body comprising teeth spaced along the length of the body, wherein the rubber composition in the teeth has a hardness of from 95 degree to 98 degree according to the JIS-A hardness standard, the body comprising rubber in which at least one load carrying member is embedded, the load carrying member extending lengthwise of the body, wherein the rubber in the body comprises: a) 3 to 7 parts by mass of short fiber blended relative to 100 parts by mass of a polymer comprising a hydrogenated nitrile rubber comprising unsaturated carboxylic acid metal salt formed by mixing the hydrogenated nitrile rubber and the unsaturated carboxylic acid metal salt at a mass ratio of from 100:100 to 100:180; and b) 0-10 parts by mass of a powdery inorganic filler blended relative to 100 parts by mass of the polymer.