F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/50
F16L 11/08 (2006.01)
Patent
CA 1043717
COMPOSITE REINFORCED HOSE Abstract of the Disclosure A composite reinforced hose for conveying fluids under pressure is provided with a core tube simultaneously coextruded from at least two thermoplastic synthetic resins having different physical properties and melt fused together in layers relative to each other to provide maximum benefit from the more desirable properties of each of the resins, a fibrous reinforcing material about the core tube and a pro- tective synthetic resinous sheath over the fibrous material. Examples of thermoplastic synthetic resins suitable for making the inner layer of the core tube are a co-segmented polyester, a thermoplastic aromatic polyester or mixtures thereof, mix- tures of a segmented co-polyester and a thermoplastic poly- urethane, mixtures of an aromatic polyester and a polyurethane and mixtures of a polyacetal and a polyurethane. Examples of resins suitable for the outer layer are polyvinyl chloride, co-segmented polyester and thermoplastic polyurethane.
248990
Green Edward A.
Johansen Hans A.
Phillippi Larry R.
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