Process for treating molten metal during a casting operation usi

Details Process for treating molten metal during a casting operation usi Process for treating molten metal during a casting operation usi

1997-01-08

1997-11-25

Lin, Kuang Y.

Metal founding

Means to shape metallic material

United particle type shaping surface

164 581, B22D 2720

Patent

active

056901615

ABSTRACT:
A filter for molten metal comprises a series of at least two refractory mineral material plates which define between them one or more cavities. The plates each comprise a series of holes through which the liquid metal passes and by which the liquid metal is filtered. At least one of the cavities contains a material for treating the metal, for example a material for inoculating the liquid metal. The filter is used among other things to filter and treat molten metals simultaneously and to improve the quality of the metal.

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patent: 3815661 (1974-06-01), Curran et al.
patent: 3881937 (1975-05-01), Teufel
patent: 3961663 (1976-06-01), Degois et al.
patent: 4330327 (1982-05-01), Pryor
patent: 4955427 (1990-09-01), Hitchings

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