Flexible hose and method of making same

B - Operations – Transporting – 65 – H

Patent

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87/2, 154/53.03

B65H 81/00 (2006.01) B29D 23/00 (2006.01) F16L 11/08 (2006.01) F16L 11/10 (2006.01)

Patent

CA 1247998

ABSTRACT A flexible hose having a thermoplastic core tube, a reinforcing layer surrounding the core tube, an elastomeric sheath surrounding and bonded to the reinforcing layer, and a plastic fiber protection layer surrounding and adhering to the sheath. The hose can be made by applying a layer of viscous cement to the reinforcing layer applied around the core tube, wrapping the viscous cement layer, with an overlapping seam, with a calendered layer stock of elastomeric material, and applying an abrasion protection layer around the elastomeric material. The thus-manufactured hose is self-curing at ambient temperature and can be made on conventional hose manufacturing equipment.

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