Molding device for pre-shaped plastic films

Details Molding device for pre-shaped plastic films Molding device for pre-shaped plastic films

2011-03-08

2011-03-08

Ewald, Maria Veronica D (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

C425S34800S, C425S360000, C425S397000, C425S4360RM

Reexamination Certificate

active

07901197

ABSTRACT:
A molding device for pre-shaped plastic films has a body, a platform and a driving shaft. The body can be rotatably mounted in a pre-shape machine and has an annular side surface and a top opening. The platform is detachably mounted in the top opening of the body. The driving shaft is mounted longitudinally through the body, movably extends longitudinally relative to the body and has an end attached securely to the platform to selectively raise the platform to lift a pre-shaped plastic film from the body. Accordingly, the plastic films can easily be separated from the platform, and to manually separate the plastic film from the molding device is unnecessary to prevent the plastic films from being damaged.

REFERENCES:
patent: 3956516 (1976-05-01), Holt et al.
patent: 4640671 (1987-02-01), Wright
patent: 4755128 (1988-07-01), Alexander et al.
patent: 5980231 (1999-11-01), Arends et al.
patent: 6042363 (2000-03-01), Kikuchi
patent: 7140863 (2006-11-01), Koppenhofer
patent: 7419462 (2008-09-01), Zelinski

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