Injection molding process for molten plastic

Details Injection molding process for molten plastic Injection molding process for molten plastic

1988-06-28

1989-11-21

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 405, 2643287, 26432812, 26432816, 425149, 425150, B29C 4570

Patent

active

048821179

ABSTRACT:
An injection molding process in which an injection of a molten resin into a cavity is performed under such a condition that an internal resin pressure upon filling of the cavity with the molten resin is lower than a maximum internal resin pressure required upon pressure holding after the filling.

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patent: 4366110 (1982-12-01), Morita et al.
patent: 4609516 (1986-09-01), Krishnakumar et al.
Caoutchoucs et Plastiques, No. 634, Oct. 1963--Injection Molding Measuring the Pressure inside the Mold.

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