Metal founding – Means to shape a forming surface – Including means for compacting particulate fluent mold...
Patent
1981-08-11
1984-03-20
Lin, Kuang Y.
Metal founding
Means to shape a forming surface
Including means for compacting particulate fluent mold...
164180, 164187, B22C 1508, B22C 2500
Patent
active
044375077
ABSTRACT:
A molding machine for producing molds. The machine includes a frame; a squeeze chamber assembly which is rotatably mounted in the frame and includes a squeeze chamber flask in which respective molds are produced; a first pattern mounting block associated with the squeeze chamber assembly and movable relative thereto and to the flask; a first pattern mounted on the first pattern mounting block and facing the flask; a mechanism associated with the squeeze chamber assembly for moving the first pattern mounting block relative to the flask and to the squeeze chamber assembly; a mechanism associated with the frame for rotating the squeeze chamber assembly relative to the frame; a second pattern mounting block operatively connected to the frame and movable relative thereto and into and out of the flask; a second pattern mounted on the second pattern mounting block and facing the flask; a mechanism associated with the frame and the second pattern mounting block for moving the second pattern mounting block relative to the frame and to the flask; and a sand blow chamber assembly having a blow chamber which is in communication with a source of sand and with the flask for supplying sand thereto.
REFERENCES:
patent: 3628592 (1971-12-01), Taccone
patent: 3709282 (1973-01-01), Taccone
patent: 3744551 (1973-07-01), Gunnergaard
patent: 3817314 (1974-06-01), Deve
patent: 3838731 (1974-10-01), Abraham et al.
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