Polymeric hose and method of making same

Details Polymeric hose and method of making same Polymeric hose and method of making same

F - Mech Eng,Light,Heat,Weapons

16

L

189/33, 154/53,

F16L 11/04 (2006.01)

Patent

CA 1134761

ABSTRACT OF THE DISCLOSURE A polymeric hose and method of making same are provided herein. The hose comprises an inner base tube, a reinforcing braid made of aramid yarn disposed concentrically around the base tube, the aramid yarn having great affinity for water, a polymeric cover tube, an adhesive layer dis- posed between the braid and and the cover tube, the polymeric cover being disposed concentrically around the reinforcing braid and adhesive layer, the improvement comprising: a moisture-impervious tubular film disposed between the braid and the adhesive layer, the tubular film being bonded against the braid and in the interstices between individual yarns of the braid, the film isolating the aramid yarn and resulting in a tubular zone surrounding the braid and the tubular zone being surrounded by the adhesive layer and cover tube, the tubular zone being free of water moisture created bubbles.

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