Method of molding plastics material

Details Method of molding plastics material Method of molding plastics material

1975-11-17

1977-06-07

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264 451, 264 453, 264210R, 264293, B29F 310, B29D 906, B29D 2700

Patent

active

040284484

ABSTRACT:
A method of molding plastics material which comprises the steps of feeding plastics material into an extruder for softening and mixing; extruding the mixed mass in the form of a rod having a diameter of at least 15 mm through an extruder die; charging the extruded mass into a metal mold whose inner walls are provided with grooves to attain the smooth movement of plasticized resin; and compression molding the extruded mass while being plasticized to form a molded product.

REFERENCES:
patent: 2516065 (1950-07-01), McElligott
patent: 3000052 (1961-09-01), Soubier
patent: 3079642 (1963-03-01), Needham
patent: 3485908 (1969-12-01), Burger
patent: 3883624 (1975-05-01), McKenzie

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