Injection molding machine

Details Injection molding machine Injection molding machine

2006-10-31

2006-10-31

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

C425S145000, C425S588000, C425S810000

Reexamination Certificate

active

07128550

ABSTRACT:
An injection molding machine using a two-disk forming mold, in which two disk substrates molded simultaneously are made uniform without unbalance in weight. The injection molding machine uses a two-disk forming mold. The mold includes two disk molding cavities independent of each other, and resin inlets provided correspondingly to the cavities respectively. In the injection molding machine, molten resin is simultaneously injected and charged into the two cavities respectively by two plasticizing/injecting units independent of each other. The operations of the two plasticizing/injecting units are controlled to make the molten resin uniform to be charged into the two cavities.

REFERENCES:
patent: 4634366 (1987-01-01), Brun et al.
patent: 4726751 (1988-02-01), Shibata et al.
patent: 5736169 (1998-04-01), Brams et al.
patent: 5849344 (1998-12-01), Eto et al.
patent: 6051896 (2000-04-01), Shibuya et al.
patent: 4239776 (1994-06-01), None
patent: 1100080 (2001-05-01), None
patent: 2001232666 (2001-08-01), None
Computer translation of JP 2001-232666.
English Abstract for DE 42 39 776.

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