Patent ID: 9347521
Filing Date: 2016-05-24
CPC Classification: B29D,D02G,D10B,F16G

Claim Text:
1. A vulcanized rubber CVT belt for a variable-pitch drive in the form of an endless V-belt having a belt body comprising a top surface, a top width, a bottom surface, an overall thickness, angled sides, a tensile cord layer of helically spiraled tensile cord embedded in a rubber composition, an overcord rubber layer, an undercord rubber layer, a relief angle near the bottom on the angled sides, and a top cog profile on the top and a bottom cog profile on the bottom; with the tensile cord comprising a twisted, 12K or 18K, single-tow yarn of carbon fiber impregnated with adhesive treatment; and wherein the ratio of said top width to said overall thickness is in the range of from about 2.0 to about 3.0.