Patent ID: 7985152
Filing Date: 2011-07-26
Classification: B29C,B29K,C08K,C08L,C09D,F16G

Abstract:
1. A process for fabrication of a toothed belt, comprising: forming an elongate belt body of a first elastomeric material, the belt having a first, planar side and a second side opposite the first side; forming teeth along the second side; coating the teeth with a fabric of a polymeric material; treating the fabric with a liquid solution of RFL to impregnate fibres of the fabric; coating the treated fabric with a resistant layer comprising a fluorinated plastomer and a second elastomeric material, the fluorinated plastomer being present in the resistant layer in an amount between 101 and 150 parts by weight of an amount of the elastomeric material and containing more than 50% of particles of a size smaller than 10 μm; and directly adhering the resistant layer to the fabric coated over the teeth, wherein the resistant layer is applied directly to the fabric via spreading a weight of the fluorinated plastomer and second elastomeric material between 50 and 80 g/m