Synthetic resinous tube

Details Synthetic resinous tube Synthetic resinous tube

1973-11-23

1978-07-18

Ansher, Harold

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138141, 138177, 138DIG7, 264 22, 264 25, 264173, 264230, 264DIG45, 264DIG71, 428212, 428517, 428521, 428523, B29F 310, B32B 3130, B32B 2732

Patent

active

041016998

ABSTRACT:
A synthetic resinous tube having a plurality of bonded coaxial layers with at least one layer being thermoplastic and another substantially non-thermoplastic is formed by the simultaneous coaxial extrusion of thermoplastic tubes and electron irradiation of one of the layers of the tube to convert it from a thermoplastic resin.

REFERENCES:
patent: 3033238 (1962-05-01), Kosewicz
patent: 3253619 (1966-05-01), Cook et al.
patent: 3387065 (1968-06-01), Derbyshire et al.
patent: 3396460 (1968-08-01), Wetmore
patent: 3448182 (1969-06-01), Derbyshire et al.
patent: 3597372 (1971-08-01), Cook
patent: 3819792 (1974-06-01), Ono et al.

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