Apparatus for both single and double injection molding

Details Apparatus for both single and double injection molding Apparatus for both single and double injection molding

1992-09-28

1993-06-15

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

2643288, 425190, 425567, 425572, 425574, B29C 4522

Patent

active

052195864

ABSTRACT:
Single and double injection molding using a single molding machine is made possible by providing two injection units, each having an injection nozzle, and a stationary platen three insertion holes into which the nozzles can fit. For double injection, the injection units are moved transversely of the stationary platen so as to orient both injection nozzles with a respective one of the insertion holes. For single injection, the injection units again are moved transversely of the stationary platen so as to orient one of the injection nozzles with one of the insertion holes, with the other nozzle not being so oriented.

REFERENCES:
patent: 4588365 (1986-05-01), Holzschuh
patent: 5052915 (1991-10-01), Schad et al.

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