Casting of molten ferrous metal and moulds for use therein

Details Casting of molten ferrous metal and moulds for use therein Casting of molten ferrous metal and moulds for use therein

1987-02-18

1987-09-01

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164349, 164358, B22D 2700

Patent

active

046901965

ABSTRACT:
A mould for use in the casting of molten ferrous metal is described comprising a mould cavity and a runner system comprising a sprue, a sprue well and a runner, and having located in the runner a ceramic filter having an open-cell foam structure. A sealed plastics container containing particles of a treatment agent, such as an inoculant for the molten ferrous metal is located in a chamber in the runner system on that side of the filter which is further from the mould cavity such that part of the container is in the sprue well.

REFERENCES:
patent: 4210195 (1980-07-01), Mepherson
"Use of Filter Materials in Gating Systems" by T. J. Casteledine-Foundry Trade Journal, Jan. 17, 1985.
"Filtration of Irons with Cellular Ceramic Filters", by P. Day and H. Kind-Modern Casting, Apr., 1984.

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