Flexible tube, used for transporting liquids or fluidized solids, comprises flexible thermoplastic polymeric core reinforced with rigid helical structure and surrounded with knitted reinforcing sleeve

摘要

A flexible tube has a flexible thermoplastic polymeric core reinforced with a rigid helical structure and surrounded with a knitted reinforcing sleeve. The sleeve may be covered with a thermoplastic protective layer. The reinforcing sleeve is made from textile fibers.