Sand fill apparatus for lost foam casting

Details Sand fill apparatus for lost foam casting Sand fill apparatus for lost foam casting

1987-09-03

1988-09-06

Levy, Stuart S.

Fluent material handling, with receiver or receiver coacting mea

Fluent charge impelled or fluid current conveyed into receiver

141 74, 141249, 164 20, 164 34, 164349, B65B 106, B65B 3702, B22C 902, B22C 904

Patent

active

047685670

ABSTRACT:
An apparatus for filling an open-top foundry flask with discrete refractory particles by pluviation to embed an expendable pattern to form a lost foam casting mold comprises conduits for directing pressurized gas toward the prepositioned pattern within the flask to deflect pluviating particles and thereby promote uniform packing of the particles about the pattern. The conduits comprise compressed air conduits vertically insertable into the flask through the open top thereof for disposition about the pattern and having multiple orifices for directing pressurized air laterally toward the pattern to achieve the desired uniform packing.

REFERENCES:
patent: 3581802 (1971-06-01), Krzyzanowski
patent: 3678989 (1972-07-01), Krzyzanowski
patent: 3861447 (1975-01-01), Hondo
patent: 4197899 (1980-04-01), Ernest
patent: 4454906 (1984-06-01), Musschoot

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