Injection apparatus for die cast machines

Details Injection apparatus for die cast machines Injection apparatus for die cast machines

1975-02-07

1977-04-26

Shore, Ronald J.

Metal founding

Control means responsive to or actuated by means sensing or...

Control of feed material enroute to shaping area

164 4, 164314, B22D 1732

Patent

active

040195619

ABSTRACT:
In injection apparatus of the type wherein molten metal is injected into the metal mold of a die casting machine by an injection plunger and the fluid pressure acting upon the injection pressure is increased by a booster piston at or near the end of the forward stroke of the injection piston by means of a booster cylinder, a limit switch is mounted along the path of the forward stroke of the injection piston to be operated thereby as so to operate the booster piston at any desired point of the forward stroke.

REFERENCES:
patent: 3601180 (1971-08-01), Nef et al.
patent: 3731727 (1973-05-01), Mitamura et al.

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