Molding machines using rotary screws

Details Molding machines using rotary screws Molding machines using rotary screws

1989-07-07

1990-10-30

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

Within pressurizing chamber

264349, 366 79, 425209, 425522, 425542, B29C 4764

Patent

active

049665405

ABSTRACT:
In a molding machine, the front end of a rotary screw is provided with at least one slot communicated with a metering section so as to make uniform the temperature of plasticized resin in a space in front of the rotary screw.

REFERENCES:
patent: 1604799 (1926-10-01), Barton
patent: 3239882 (1966-03-01), Yokana
patent: 3664790 (1972-05-01), Hollander
patent: 3730492 (1973-05-01), Maddock
patent: 3942774 (1976-03-01), Sokolow

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