F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/40, 189/50
F16L 11/08 (2006.01) A47L 9/24 (2006.01)
Patent
CA 1147276
ABSTRACT OF THE DISCLOSURE An improved flexible reinforced hose (14) for use in the conveyance of fluids under pressure. The hose has a core tube (1) and an outer protective sheath (7). Disposed between the core tube and the sheath is a plur- ality of layers of reinforcement of which at least two of the layers comprise synthetic fibers having a tenacity of from about 12 to about 25 grams per denier and an elonga- tion at break of from about 2% to about 8%. The hose is provided with improved resistance to pressure pulsation and flexing fatigue as a result of the said synthetic fiber layers being positioned in prescribed helically wound and/ or braided combinations in conjunction with a prescribed twisted relationship that features the fibers closest to the core tube as a plurality of the same or different deniers of the fiber in the form of a plurality of cords having a twist of more than about 1,5 turns per inch and the fibers outwardly adjacent thereto as a plurality of the same or different deniers of the fiber having a twist of about 1.5 turns per inch or less.
355871
Borden Ladner Gervais Llp
Corporation Eaton
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