Metal founding – Means to shape a forming surface – Including means for compacting particulate fluent mold...
Patent
1986-04-18
1987-10-13
Godici, Nicholas P.
Metal founding
Means to shape a forming surface
Including means for compacting particulate fluent mold...
164187, 164188, 164190, 164191, 164225, B22C 1528, B22C 1704, B22C 1706
Patent
active
046991999
ABSTRACT:
A system for making foundry molds comprising the combination of a platen assembly including a platen having a top surface for supporting a mold pattern, and a ram for raising and lowering the platen in response to a controllable pressurized fluid; a mold flask supported above the platen so that upward movement of the platen positions the mold pattern thereon within the flask and closes the bottom of the flask so that the flask can be filled with sand; a sand hopper located adjacent the mold flask, and a sand magazine mounted for lateral movement between a retracted position below the sand hopper where the magazine can be loaded with sand from the hopper, and an advanced position above the mold flask for filling the cavity defined by the flask and the platen assembly with sand from the magazine; a squeeze head located adjacent the mold flask and mounted for lateral movement so that the squeeze head can be positioned over the mold flask, after the flask has been filled with sand and the sand magazine has been returned to the sand hopper, for closing the top of the flask and the flask is squeezed between the platen assembly and the squeeze head; and mold removal means located adjacent the mold flask and mounted for lateral movement so that the mold removal means can be advanced to grip a mold formed by squeezing the sand in the flask, and then retracted to transfer the finished mold from the flask to a mold platform or a mold stack on the platform.
REFERENCES:
patent: 1403809 (1922-01-01), Nicholls
patent: 2908950 (1959-10-01), Miller et al.
patent: 3406738 (1968-10-01), Hunter
patent: 3424229 (1969-01-01), Gunnergaard-Poulsen
patent: 3744549 (1973-07-01), Buhler
Godici Nicholas P.
Heinrich Samuel M.
Hunter Automated Machinery Corporation
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