Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent
1993-11-22
1996-02-20
Batten, Jr., J. Reed
Metal founding
Means to apply vacuum directly to work or to hold or...
Means applying vacuum or suction directly to molten casting...
164 63, 164119, 164136, 164306, B22D 1804, B22D 1806, B22D 2300
Patent
active
054921651
ABSTRACT:
The machine for filling moulds with metal to be cast, in which a casing is provided comprises a fixed body and a mobile body. The mobile body is driven by a cylinder. The casing can be provided with a vacuum chamber which when closed houses, with the ability to rotate, a sand mould clamped in a central turning body of a support which can be moved by another cylinder towards a lower injector which supplies the mould with the appropriate quantity of cast metal from a lower metering store. A pressure gas is inserted into the metering store through a connection. The metering store receives the cast metal from a larger tank with the assistance of a seal controlled by a level sensor. The machine also includes a metering ladle positioned between a filling plate and the mould itself. The metering ladle has heating elements.
REFERENCES:
patent: 4733714 (1988-03-01), Smith
patent: 4982777 (1991-01-01), Chandley
patent: 5146973 (1992-09-01), Chandley
patent: 5163500 (1992-11-01), Seaton et al.
patent: 5297611 (1994-03-01), Legge et al.
patent: 5303762 (1994-04-01), Chandley
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