Apparatus for thermoforming hollow articles

Details Apparatus for thermoforming hollow articles Apparatus for thermoforming hollow articles

1985-02-07

1990-06-12

Heitbrink, Jill L.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Serially arranged with preform reshaping means

264548, 264153, 264550, 425384, 425388, 4254031, B29C 5132

Patent

active

049328565

ABSTRACT:
An apparatus for thermoforming hollow articles including forming molds and die cutting molds disposed in spaced-apart relationship wherein the web or sheet of thermoplastic material is sequentially moved or indexed in an integrated operation whereby an article formed in the forming molds is advanced into proper alignment with respect to the die cutting molds and die cut, and subsequently withdrawn to an appropriate storage assembly. The forming molds and die cutting molds being positioned on upper and lower platens.

REFERENCES:
patent: 3340714 (1967-09-01), Pohl et al.
patent: 3785762 (1974-01-01), Butzko
patent: 4086045 (1978-04-01), Thiel et al.
patent: 4105736 (1978-08-01), Padovani
patent: 4317420 (1982-03-01), Sander
patent: 4384836 (1983-05-01), Winstead
patent: 4695422 (1987-09-01), Curro et al.

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