Placement of particulates onto refractory filters for liquid met

Details Placement of particulates onto refractory filters for liquid met Placement of particulates onto refractory filters for liquid met

1989-05-15

1990-09-11

Seidel, Richard K.

Metal founding

Means to shape metallic material

United particle type shaping surface

164349, 164134, 210490, 210507, B22C 908

Patent

active

049554271

ABSTRACT:
A filter for molten metal with a particulate coating for simultaneously metallurgically treating and filtering is disclosed. A layer of particulates such as ferroalloy, deoxidizer, grain refiner, inoculant or master alloy is placed on the surface of a hard-fired ceramic or refractory cloth filter for treating liquid metal. The particles are held in place by a coating of carbonaceous resin which is applied to the surface of the filter and which also protects the filter and particles against abrasion and moisture. The placement of the particulate additives on the filter allows the molten metal to be metallurgically treated and filtered simultaneously.

REFERENCES:
patent: 4798615 (1989-01-01), Fukuta et al.

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