Flexible composite pipe for high-temperature fluids

Details Flexible composite pipe for high-temperature fluids Flexible composite pipe for high-temperature fluids

1986-11-26

1987-11-17

Recla, Henry J.

Pipes and tubular conduits

Flexible

Distinct layers

138129, F16L 1100

Patent

active

047067136

ABSTRACT:
A flexible composite pipe for transporting a high-temperature fluid of the invention has an inner pipe for passing a high-temperature, high-pressure fluid therethrough, a reinforcing layer formed around the inner pipe, and a protective sheath layer formed around the reinforcing layer. The inner pipe consists of a material which is selected from a polyvinylidene fluoride copolymer resin, a blend thereof with a polyvinylidene fluoride resin, or a composition based on the polyvinylidene fluoride copolymer resin and which has, when hot pressed into a sheet, an Izod impact strength of 10 kg-cm/cm or more and an apparent Young's modulus in tension of 90 kg/mm.sup.2 or less.

REFERENCES:
patent: 916136 (1909-03-01), Ford
patent: 3233024 (1966-02-01), Jackson et al.
patent: 3604461 (1971-09-01), Matthews
patent: 4041207 (1977-08-01), Takada et al.
patent: 4330017 (1982-05-01), Satoh et al.
patent: 4343333 (1982-08-01), Keister
patent: 4344462 (1982-08-01), Aubert et al.
patent: 4353763 (1982-10-01), Simons
patent: 4402346 (1983-09-01), Cheetham et al.

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