Core stabilization by sequential injections

Details Core stabilization by sequential injections Core stabilization by sequential injections

1983-03-04

1985-04-02

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264255, 264294, B29F 100

Patent

active

045086761

ABSTRACT:
A method for controlling the dimensions of a hollow plastics product injection molded within the cooling cavity of a mold having a core section and a cavity section defining the cooling cavity therebetween and separated by a parting line comprising stabilizing the core section in the cooling cavity and comprising the steps of:

REFERENCES:
patent: 3917789 (1975-11-01), Heisler
patent: 4381275 (1983-04-01), Sorensen

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