Metal founding – Process – Shaping a forming surface
Patent
1977-07-14
1979-05-29
McQuade, John
Metal founding
Process
Shaping a forming surface
164181, 164363, 164365, B22C 920, B22C 1104
Patent
active
041564502
ABSTRACT:
A machine for forming foundry moulds includes a turret supporting spaced mould frames, each of the latter having a mould portion formed therein by rotation of the turret toward a sand filling and compacting station and away therefrom. The completed mould portion may be moved to a position where a core can be set thereon and then moved to a position where the mould portions are positioned one atop another to make a stack of finished and cored moulds. When the moulds are not cored, a pair of said filling and compacting stations are provided, the turret oscillating or rotating unidirectionally from a loading position to a delivery position. Where a pair of filling and compacting stations are provided for forming cope and drag mould portions, the turret oscillates to place the two mould portions in proper position to form a mould comprised of cope and drag portions. The machine makes foundry moulds capable of being placed one atop another, a pair of moulds defining a pouring lip connected to a pouring channel in turn connected to runners and mould cavities.
REFERENCES:
patent: 652129 (1900-06-01), Michaelsen
patent: 2804664 (1957-09-01), Brennan
patent: 2940142 (1960-06-01), Wells et al.
patent: 3672434 (1972-06-01), Grolla
patent: 3695339 (1972-10-01), Taccone
patent: 3786857 (1974-01-01), Sutherland
patent: 3817314 (1974-06-01), Deve
patent: 3955614 (1976-05-01), Geiger
Heatherwill Company
Lindberg Richard C.
McQuade John
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