Metal founding – Means to shape a forming surface – Including means for compacting particulate fluent mold...
Patent
1977-02-02
1978-09-19
Spicer, Robert L.
Metal founding
Means to shape a forming surface
Including means for compacting particulate fluent mold...
164212, 164383, B22C 1502
Patent
active
041146786
ABSTRACT:
In mold forming apparatus wherein molding sand contained in a mold flask is subjected to compressive forces, bracer devices acting in opposed relationship against the mold flasks are provided in order to supprt the sides of the flasks against the forces generated therein during compression of the molding sand. The bracer devices act against structural parts of the molding apparatus or machine which are located to be fixed in position relative to the mold flasks during the compression of the sand and the bracer devices are arranged to consist of bracer bolts which are adapted to be brought into engagement against the sides of the mold flasks by wedge devices sliding relative to the fixed structural parts and actuated preferably by fluid pressure means.
REFERENCES:
patent: 1784995 (1930-12-01), Morris et al.
patent: 3695339 (1972-10-01), Toccone
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