Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1997-03-17
1999-01-19
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164113, 164256, 164258, B22D 2715, B22D 1710
Patent
active
058604685
ABSTRACT:
A system for die casting including a die having a die cavity. There is also a vacuum chamber and a device for creating a vacuum in the vacuum chamber. The die casting system further includes an injection device for introducing a fluidically based material, such as molten metal, into the die cavity from the vacuum chamber. The injection device is in fluidic communication with the die cavity and is at least partially disposed within the vacuum chamber. The die casting system also includes a device for providing the fluidically based material into the injection device. The providing device is separated from the injection device and is preferably disposed within the vacuum chamber. A method of die casting includes the step of providing, such as by pouring, fluidically based material into an injection device within the vacuum chamber. Then, there is the step of forcing the fluidically based material into the die cavity with the injection device.
REFERENCES:
patent: 3019495 (1962-02-01), Cornell
patent: 3208113 (1965-09-01), Bennett
patent: 4154286 (1979-05-01), Glazunov et al.
patent: 4340109 (1982-07-01), Roddy
patent: 4741384 (1988-05-01), Healey
patent: 5183096 (1993-02-01), Cook
Lin Kuang Y.
Schwartz Ansel M.
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