Apparatus for producing a composite material including...

Metal founding – Process – Shaping liquid metal against a forming surface

Reexamination Certificate

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C164S133000, C164S337000

Reexamination Certificate

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07011135

ABSTRACT:
An apparatus1for producing a composite material including ceramic hollow particles and one of aluminum and aluminum alloy pressurizes a gas feeding member20, a molten stock vessel30, a packing50, a forming mold60and an air-removal ceramic filter80by means of an upper pressure die11and a lower pressure die12and introduces an Ar gas thereby allowing molten aluminum40or molten aluminum alloy40to infiltrate in gaps between the plural ceramic hollow particles.

REFERENCES:
patent: 3615880 (1971-10-01), Barto et al.
patent: 4909300 (1990-03-01), Horie
patent: 5299619 (1994-04-01), Chandley et al.
patent: 5348071 (1994-09-01), Cook
patent: 5524697 (1996-06-01), Cook
patent: 2002/0179273 (2002-12-01), Ruhland

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