Cold chamber die casting casting machine and method

Details Cold chamber die casting casting machine and method Cold chamber die casting casting machine and method

1997-11-04

1998-08-04

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164312, B22D 1708

Patent

active

057879621

ABSTRACT:
A top filling injection unit for a cold chamber die casting machine, the cold chamber die casting machine having a fixed platen, a moving platen, a fixed die half and a moving die half, the fixed die half is mounted on the fixed platen and the moving die half is mounted on the moving platen, a part line on which the moving die half and fixed die half meet, the top filling injection unit comprised of an open upwardly inclined injection sleeve, an injection plunger, an injection plunger piston, an injection cylinder and an injection piston, an aperture in the fixed die half defining an opening, the injection sleeve is secured in the opening in the fixed die half, with the top of the injection sleeve proximate the part line, the injection plunger having a retractable filling position and an upper injection position, the injection plunger is lowered to a selected filling position, the upper injection position of the injection plunger being proximate the part line.

REFERENCES:
patent: 3208113 (1965-09-01), Bennett
patent: 3672440 (1972-06-01), Miura et al.
patent: 4178983 (1979-12-01), Mochizuki et al.

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