F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/37
F16L 9/00 (2006.01) F16L 11/08 (2006.01)
Patent
CA 1236033
ABSTRACT OF THE INVENTION Disclosed are embodiments (30, 40, 50) of a flexible reinforced hose that is provided with substantial improvement in flex fatigue resistance by incorporating at least one pair of oppositely helically wound layers of fiberous reinforcement about core tube (1) having a singular wall or a core tube having a composite wall (15, 16) of fibers (3) having a tenacity of about 12 to about 25 grams for denier and an elongation at break of about 2% to about 8% that are disposed in alternating contiguous relationship to fibers (4) having a tenacity of from about 7 to 11 grams per denier and an elongation at break of about 9% to about 17%. The hose may include other helically covered and/or braided layers of reinforcement, preferably includes a protective covering jacket (8) and may or may not inlcude means such as an adhesive for bonding one or more of the reinforcement layers or the entire construction together.
489625
Keister Bernard
Searfoss Jerry R.
Borden Ladner Gervais Llp
Corporation Eaton
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