Co-extruded tube

Details Co-extruded tube Co-extruded tube

1987-02-13

1988-12-20

Schroeder, Werner H.

Pipes and tubular conduits

Distinct layers

Coated

138137, F16L 914

Patent

active

047919655

ABSTRACT:
A tube having an elongated core composed of a flexible narrow molecular weight distribution first polymeric composition, a sheath composed of a broader molecular weight second polymeric composition co-extruded over the outer core surface, and a liner composed of a broader molecular weight distribution second polymeric composition co-extruded over the inner core surface. The core may be composed of a composition exhibiting relative poor processability, and the sheath and liner of a composition exhibiting better processability.

REFERENCES:
patent: 3271477 (1966-09-01), Kresge
patent: 3411981 (1968-11-01), Thomas
patent: 3561493 (1971-02-01), Maillard
patent: 3718161 (1973-02-01), Woodson
patent: 3741253 (1973-06-01), Brax et al.
patent: 3904111 (1975-09-01), Petersson
patent: 4018250 (1977-04-01), Waters
patent: 4097569 (1978-06-01), Waters
patent: 4101699 (1978-07-01), Stine et al.
patent: 4243074 (1981-01-01), Strutzel et al.
patent: 4348349 (1982-09-01), Kurtz
patent: 4364981 (1982-12-01), Horner et al.
patent: 4523970 (1985-06-01), Toy
patent: 4705829 (1987-11-01), Kwack et al.

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