Method of making pressure hose

B - Operations – Transporting – 29 – D

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18/778

B29D 23/00 (2006.01) B29C 47/02 (2006.01) F16L 11/08 (2006.01)

Patent

CA 1204907

ABSTRACT OF THE DISCLOSURE METHOD OF MAKING PRESSURE HOSE In a method of manufacturing filamentary reinforced polymeric hose an uncured tubular structure (20) including one or more sub-units each having a radially inner tubular layer (21,25) of uncured elastomer and an outer tubular layer (22,26) of filamentary reinforcing elements (23,27) is subjected to fluid pressure in its bore (54). The fluid pressure forces uncured elastomer material into the interstices (28) of the filamentary layer (22,26) of each sub-unit and consolidates the uncured structure (20). A cover layer (17,58) of elastomer material is thereafter applied and the covered structure is cured into an integral hose.

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