Melting and feeding method and apparatus of metallic...

Details Melting and feeding method and apparatus of metallic... Melting and feeding method and apparatus of metallic...

2007-01-23

2007-01-23

Kerns, Kevin (Department: 1725)

Metal founding

Means to shape metallic material

Pressure shaping means

C164S316000

Reexamination Certificate

active

10769092

ABSTRACT:
In a metal molding machine provided having a tilt to a clamping device with an injection unit which is constituted by a liquid metallic material reservoir in which a cylinder having a nozzle portion at the tip portion equipped with a heating device at the outer periphery and an injection plunger having advance or retreat freely in the inside, and the injection cylinder at the rear portion, the metallic material feeding to the above liquid metallic material reservoir is performed in liquid by melt to the temperature of above the liquidus temperature in a melting cylinder standing the liquid metallic material reservoir to liquid metallic material surface from a feeding pipe having a smaller diameter than the inner diameter of the cylinder. The melting and feeding of metallic material is performed at an atmosphere of an inert gas such as argon.

REFERENCES:
patent: 4225745 (1980-09-01), Harwell
patent: 4872907 (1989-10-01), Areaux
patent: 5501266 (1996-03-01), Wang et al.
patent: 5983976 (1999-11-01), Kono
patent: 6675867 (2004-01-01), Koda et al.
patent: 2001/0004930 (2001-06-01), Takizawa et al.

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