Heat setting method

Details Heat setting method Heat setting method

1982-11-05

1984-03-27

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

264523, 264538, 425526, 425384, 425407, B29C 1707

Patent

active

044393946

ABSTRACT:
Disclosed is a method and apparatus for orientation blow molding and heat setting of a thermally crystallizable polymer wherein the orientation blow molding is effected in a relatively low mass blow mold which is enclosed within a heated, high mass mold for transferring heat to the hollow article for heat setting; thereafter the outer mold is opened and the blow mold is cooled in a variety of methods in order to cool the heat set hollow article.

REFERENCES:
patent: 2982992 (1961-05-01), Jacobi
patent: 4039641 (1977-08-01), Collins
patent: 4108937 (1978-08-01), Martineu et al.
patent: 4206171 (1980-06-01), Uhlig
patent: 4264558 (1981-04-01), Jacobsen
patent: 4385089 (1983-05-01), Bonnebat et al.

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