Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1983-06-02
1984-10-02
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
B28B 124
Patent
active
044747241
ABSTRACT:
A plunger injection molding machine for utilizing a liquid composition and in addition to the other usual features, a valve for allowing liquid composition to enter a barrel means; sealing means on the plunger which operates on the barrel of the machine so as not to allow the liquid composition to leak pass the sealing means out of the rear of the barrel means; and stop means to regulate or control the rear work movement of the plunger means out of the barrel means which results in accurate control of the amount of liquid composition forced into the mold. A preferable composition for use with this type of machine is a silicone composition and more specifically a SiH olefin platinum catalyst silicone composition.
REFERENCES:
patent: 3436446 (1969-04-01), Angell
General Electric Company
Pavelko Thomas P.
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