Gating system

Details Gating system Gating system

1976-04-06

1979-05-15

Spruill, Robert Louis

Metal founding

Means to shape metallic material

United particle type shaping surface

164134, 164362, 164399, B22C 908

Patent

active

041542894

ABSTRACT:
A gating system of general application for pouring foundry molds by gravity, based on a distinct prefabricated casting skin-strainer, located along and following the casting surface, structurally constructed and mold supported to withstand the impact of falling molten metal and the consequent metalistatic pressure, all while the cavity is filled through a skin-strainer aperture and with the skin-strainer retaining its original position and shape. The skin-strainer is able, when necessary, to allow the feeding of the casting once the mold is full and before it is solidified. Depending on the casting to be poured the system may include an overhead melt distributor, and techniques for mold casting cavity venting and sprue-feeder extraction.

REFERENCES:
patent: 481295 (1892-08-01), BLack
patent: 974218 (1910-11-01), Wells
patent: 1188938 (1916-06-01), Horner
patent: 2835007 (1958-05-01), Hoefer
patent: 3080628 (1963-03-01), Sundin
patent: 3433293 (1969-03-01), Ponzar
patent: 3572421 (1971-03-01), Mezey et al.
patent: 3682435 (1972-08-01), Lofberg et al.

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