Sequential injection molding machine

Details Sequential injection molding machine Sequential injection molding machine

1990-08-15

1991-10-01

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With product ejector

2643288, 26432811, 425572, 425574, 425575, 425581, 425589, B29C 4540

Patent

active

050529153

ABSTRACT:
An injection molding machine and method of operation is disclosed having a plurality of accessory arrangements for molding a plurality of piece parts in efficient overlapping time cycle using primary and secondary molten plastic injection units, primary and secondary clamping units, a plurality of injection units in various arrays including molding piece parts in reverse or uniform orientation. Means are provided for sequentially and selectively injecting molten plastic to the injection molds in an overlapping cycle.

REFERENCES:
patent: Re28721 (1976-02-01), Farrell
patent: 3417433 (1968-12-01), Teraoka
patent: 3707342 (1972-12-01), Lohmann
patent: 3723040 (1973-03-01), Rees
patent: 3898030 (1975-08-01), Bishop
patent: 3973892 (1976-08-01), Rees
patent: 4146600 (1979-03-01), Elly et al.
patent: 4400341 (1983-08-01), Sorensen
patent: 4753592 (1988-06-01), Kaaden
patent: 4781571 (1988-11-01), Heindl et al.

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