Molten metal injection device for die casting machine

Details Molten metal injection device for die casting machine Molten metal injection device for die casting machine

1979-01-26

1980-09-23

Baldwin, Robert D.

Metal founding

Means lubricating relatively moving and contacting apparatus...

164158, 164314, 425107, 15405, B22D 1710

Patent

active

042237181

ABSTRACT:
A molten metal injecting device for a cold chamber type die casting machine wherein a cavity is provided in which a metal cast body is formed between a movable die and a stationary die. Molten metal in an injection sleeve is injected into the cavity by a piston through a narrow gate. The sleeve has a feeding port for introducing the molten metal. An opening is provided in the sleeve in which the piston on the end of the plunger is exposed partially between the feeding port of the sleeve and the inserting end of the plunger. Lubricant spraying nozzles and compressed air blowing nozzles are arranged towards the opening, and a mechanism is provided for rotating the piston.

REFERENCES:
patent: 1957439 (1934-05-01), Bednash
patent: 2066521 (1937-01-01), Dailey
patent: 2272686 (1942-02-01), McGibbon
patent: 2814083 (1957-11-01), Beyer
patent: 3172174 (1965-03-01), Johnson
patent: 3209416 (1965-10-01), Morton
patent: 3349835 (1967-10-01), Muller
patent: 3544355 (1970-12-01), Ott
patent: 3767012 (1973-10-01), Jimi et al.

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