Reduction casting method

Details Reduction casting method Reduction casting method

2005-01-25

2005-01-25

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S067100, C164S072000

Reexamination Certificate

active

06845808

ABSTRACT:
A reduction casting method includes the steps of: allowing a metallic gas and a reactive gas to react with each other to generate a reducing compound; introducing the thus-generated reducing compound into a cavity of a molding die 11; and reducing an oxide film formed on a surface of a molten metal by the reducing compound to cast a cast product. The reduction casting method uses a non-reactive gas as a carrier gas when the metallic gas is introduced into the cavity, in which a flow quantity of the non-reactive gas is allowed to be from one sixth to twice that of the reactive gas.

REFERENCES:
patent: 2001-321918 (2001-11-01), None
patent: 2002-30356 (2002-01-01), None

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