Process for the production of blow molded articles

Details Process for the production of blow molded articles Process for the production of blow molded articles

1981-04-30

1983-01-04

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264526, 264528, B29C 1707, B29C 2500

Patent

active

043671870

ABSTRACT:
In a blow molding process in which a parison is blown to form an article which is then cooled and recovered, a liquified gas is introduced into the interior of partially blown article where it becomes vaporized and causes the completion of the blowing step as well as to cool the article. A mixture of the blowing gas and vaporized liquified gas is recovered and recycled for use as the blowing gas in a subsequent blow molding step.

REFERENCES:
patent: Re28497 (1975-07-01), Gabmire

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