Automatic shut off nozzle for plastic extruder

Details Automatic shut off nozzle for plastic extruder Automatic shut off nozzle for plastic extruder

1985-11-04

1987-07-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

With means between charger and mold to cut off flow of...

425563, 425565, 425DIG226, B29C 4522

Patent

active

046784276

ABSTRACT:
An apparatus for purging an injection molding machine utilizing a three stage or three position nozzle assembly.

REFERENCES:
patent: 3374502 (1968-03-01), Lazzara
patent: 3401426 (1968-09-01), Evans
patent: 3679341 (1972-07-01), Graybill et al.
patent: 3719310 (1973-03-01), Hunten
patent: 4010903 (1977-03-01), Sakuri et al.
patent: 4386903 (1983-06-01), Wybenga

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