Apparatus for making a hollow polyethylene terephthalate blow mo

Details Apparatus for making a hollow polyethylene terephthalate blow mo Apparatus for making a hollow polyethylene terephthalate blow mo

1988-07-21

1991-02-19

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to form or reshape preform

264513, 4251291, 425525, 425532, B29C 4904, B29C 4920

Patent

active

049939319

ABSTRACT:
An apparatus for making a hollow polyethylene terephthalate (PET) blow molded article with an integral external projection such as handle. The method includes blow molding the hollow article and then injection molding the integral projection. The apparatus includes a combination blow mold and injection mold, a mechanism for opening and closing the combination mold, a mechanism for inserting an unblown preform into the mold, a blow gas injection mechanism for blowing the preform, and an injection nozzle for injection molding the integral projection.

REFERENCES:
patent: Re3116 (1968-09-01), Atterbury
patent: 3917789 (1975-11-01), Heisler
patent: 4727997 (1988-03-01), Nakamura et al.

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