Method for controlled processing of blown plastic articles

Details Method for controlled processing of blown plastic articles Method for controlled processing of blown plastic articles

1975-12-17

1978-09-19

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264 94, 264 97, B29C 1707

Patent

active

041154940

ABSTRACT:
A method and apparatus for forming hollow objects of moldable organic plastic material by providing a parison on a blow core, locating said blow core bearing said parison in a blow mold, expanding said parison within said blow mold, separating said expanded parison from said core while the parison remains in said blow mold and transferring said expanded parison from said blow core within said blow mold to another core and/or blow mold. In a preferred embodiment, a plurality of cores and molds are employed to provide an extended cooling sequence for the final article.

REFERENCES:
patent: 2359216 (1944-09-01), Hofmann et al.
patent: 3325862 (1967-06-01), Mehnert
patent: 3364521 (1968-01-01), Valyi
patent: 3776991 (1973-12-01), Marcus
patent: 3819314 (1974-06-01), Marcus
patent: 3873660 (1975-03-01), Reilly et al.
patent: 3944643 (1976-03-01), Sato et al.

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