REINFORCEMENT CORDS AND FABRICS FOR HOSES AND PIPES

摘要

The invention provides a cord or cord fabric, comprising a polyester yarn, which is coated with adhesion promoter and/or tackifier, and has an elongation of 3.5 % or less at a load of 2.35 g/dtex in the direction of the polyester yarn. The cord fabric has a woven, knitted, laid, stitched, or interlaced construction or a construction of a combination of two or more of these fabrication ways. The invention also provides methods of preparing a hose or pipe comprising the steps of: (a) forming a pre-form of said hose or pipe, and (b) applying the fabric of the present invention directly tothe hose or pipe pre-form by wrapping a fabric strip around the pre-form or braiding, wrapping or spiralling the cord of the present invention on the outer surface of the pre-form; and a hose or pipe obtainable by any of these methods.