Method for producing heat resistant synthetic resin tubes

Details Method for producing heat resistant synthetic resin tubes Method for producing heat resistant synthetic resin tubes

1974-05-15

1977-09-27

Van Horn, Charles E.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

264214, 264313, 156246, 156247, 156296, 264166, 264213, 264216, 428398, B29C 112

Patent

active

040512843

ABSTRACT:
A method of manufacturing of a novel very fine seamless heat resistant synthetic resin tube having a wall thickness of not more than 0.3 mm, by applying a specific heat resistant synthetic resin varnish as defined in the specification on a metal wire and curing said resin varnish to form the synthetic resin layer on the metal wire, drawing the heat resistant synthetic resin coated wire above the yield point of the metal wire and separating the resulting synthetic resin tube from the metal wire.
The method of the present invention may produce a composite heat resistant synthetic resin tube in which a plurality of the above-described tubes are made to adhere tightly parallel with each other in the longitudinal direction or a double layer resin tube, one layer of which is a thermally adhesive synthetic resin and the other layer of which is the heat resistant resin.

REFERENCES:
patent: 2526483 (1950-10-01), Ingmanson
patent: 2561569 (1951-07-01), Flynn
patent: 3329588 (1967-07-01), Mears
patent: 3564661 (1971-02-01), Atwell
patent: 3642531 (1972-02-01), Peterson
patent: 3666596 (1972-05-01), Morton
patent: 3676814 (1972-07-01), Trunzo et al.
patent: 3684602 (1972-08-01), Ball
patent: 3726712 (1973-04-01), Rieck et al.

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