Patent ID: 8449961
Filing Date: 2013-05-28
Classification: B32B,C08L,F02M,F16L,Y10T

Abstract:
1. A pipe usable for transporting air charged with oil in an air intake circuit for a motor vehicle engine, the pipe comprising at least: one inner elastomer layer, one outer elastomer layer, one intermediate elastomer layer provided to facilitate the adhesion between the inner and outer layers, and one reinforcing structure which is situated radially between the intermediate and outer layers and which comprises yarns based on an aliphatic polyester, such as a polyethylene terephthalate (PET), each of the intermediate and outer layers being formed from a composition based on at least one acrylate copolymer (ACM), characterized in that the composition of the intermediate layer and of the outer layer is crosslinked by means of a crosslinking system selected from the group consisting of systems based on at least one soap combined with sulfur, systems based on at least one soap combined with a urea derivative, and systems based on a thiadiazole.