Inclined insulated runner multicavity injection molding

Details Inclined insulated runner multicavity injection molding Inclined insulated runner multicavity injection molding

1982-12-03

1984-01-24

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

2643288, 26432814, 26432816, 425DIG51, B29F 108

Patent

active

044276184

ABSTRACT:
A system and a method of multicavity injection molding of a product, where the gate cannot be placed, as traditionally, at the top of the product, but must be placed at the side of the product; this is accomplished by using inclined secondary runners; the process is exceedingly fast since the secondary runners are not heated in their basic form; disclosed is also the method and means for employing polystyrene as the injection molding material.

REFERENCES:
patent: 3021568 (1962-02-01), Scott
patent: 3776676 (1973-12-01), Kessler
patent: 3847526 (1974-11-01), Fries

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