Patent ID: 7909719
Filing Date: 2011-03-22
Classification: B65G

Abstract:
1. A belt assembly for use as an endless belt traveling relative to a frame structure, the belt assembly comprising: a first fabric layer having an inner surface and an outer surface that at least partially forms an upper surface of the belt, a composition comprising a polyvinyl chloride plastisol primer, the composition adhered to the inner surface of the first fabric layer such that the composition at least partially forms the inner surface of the first fabric layer; a second fabric layer having an inner surface and an outer surface that at least partially forms a bottom surface of the belt, a composition comprising polyurethane, the composition adhered to the inner surface of the second fabric layer such that the composition at least partially forms the inner surface of the second fabric layer; a composition comprising a flexible polyvinyl chloride plastisol disposed between the inner surface of the first fabric layer and the inner surface of the second fabric layer for joining the first fabric layer and the second fabric layer; and an at least substantially solid lubricant composition impregnated in the second fabric layer and at least partially forming the bottom surface of the belt.