Patent ID: 8329282
Filing Date: 2012-12-11
Classification: F16G,Y10T

Abstract:
1. A power transmission belt comprising: a body with a length, a width between laterally spaced sides, an inside and an outside, the body comprising rubber in which at least one load carrying member is embedded and extends lengthwise of the body, the rubber comprising ethylene-α-olefin rubber, the at least one load carrying member having an outer surface; and first, second and third films formed on the outer surface of the at least one load carrying member, the first film comprising at least one of an isocyanate compound and an epoxy compound, the second film comprising resorcinol-formaldehyde-latex with latex comprising at least polybutadiene, the third film comprising an ethylene-propylene-diene terpolymer, wherein the third film comprises an ethylene-propylene-diene terpolymer having a diene content of 5 to 12.5 wt %, wherein said films enhance adherence of the rubber and the at least one load carrying member to each other, and wherein said second film and said third film do not comprise halogen-containing compositions.