Blind feeder sleeves

Details Blind feeder sleeves Blind feeder sleeves

1982-03-26

1984-08-28

Lin, Kuang Y.

Metal founding

Means to shape metallic material

United particle type shaping surface

164359, B22C 908

Patent

active

044678584

ABSTRACT:
A blind feeder sleeve for use in the casting of metals comprises a sleeve body and a cover having a Williams core, and optionally an opening for ventilation, the Williams core being formed integrally with the feeder sleeve and comprising a rib extending across the inner surface of the cover and projecting downwardly from that surface in a wedge like shape. Preferably the rib is formed integrally with the inner surface of the cover at each end of the rib, and when the feeder sleeve is circular in cross-section the rib preferably extends across a diameter of the sleeve.

REFERENCES:
patent: 2205327 (1940-06-01), Williams
patent: 3513904 (1970-05-01), Lane

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