Method of blow molding and fluorinating plastic containers

Details Method of blow molding and fluorinating plastic containers Method of blow molding and fluorinating plastic containers

1986-05-29

1989-05-16

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 83, 264526, 264529, B29C 4918, B29C 4946

Patent

active

048308102

ABSTRACT:
A novel method of blow molding and fluorinating plastic containers carried out in essentially three steps, including blow molding of the container at a first predetermined pressure in a mechanically locked mold with an inert gas, testing the mold for pressure tightness at a second higher level of pressure with an inert gas, and thereafter introducing a fluorine containing gas into the mold at a third level of pressure.

REFERENCES:
patent: 2811468 (1957-10-01), Joffre
patent: 3728063 (1973-04-01), Langecker
patent: 3866841 (1975-01-01), Dixon et al.
patent: 4097565 (1978-06-01), Cole et al.
patent: 4162878 (1979-07-01), Puglisi et al.
patent: 4333905 (1982-06-01), Hestehave et al.
patent: 4394333 (1983-07-01), Fukushima et al.
patent: 4396567 (1983-08-01), Rainoille

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