Making a heat recoverable article

Details Making a heat recoverable article Making a heat recoverable article

1990-09-10

1995-08-01

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

156 84, 156 86, 15624414, 264173, 264174, 264230, B29C 6108

Patent

active

054378273

ABSTRACT:
A polymeric tube is extruded; one or more strands are wrapped around the tube, the strands having a polymeric core and a high strength helical fiber cover; a second tube extruded thereon; at least one of the tubes is cross linked; subsequently the composite tube wall is heated, expanded and cooled in the expanded state; the tube may be cut longitudinally before or after the heating/cooling.

REFERENCES:
patent: 3253618 (1966-05-01), Cook
patent: 3253619 (1966-05-01), Cook et al.
patent: 3448182 (1969-06-01), Derbyshire et al.
patent: 3526683 (1970-09-01), Heslop et al.
patent: 4219522 (1980-08-01), Oyama
patent: 4304616 (1981-12-01), Richardson
patent: 4631098 (1986-12-01), Pithouse et al.
patent: 4741873 (1988-05-01), Fischer et al.
patent: 4836872 (1989-06-01), Landry et al.

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