Metal founding – Means to shape metallic material – Including means to assemble mold parts
Patent
1979-10-12
1981-11-24
Baldwin, Robert D.
Metal founding
Means to shape metallic material
Including means to assemble mold parts
164342, 249162, B22D 3304
Patent
active
043018564
ABSTRACT:
A permanent mold for gravity casting of light alloy cylinder heads comprising a base, a pair of lower platens slidably mounted on the base for movement horizontally toward and away from one another cooperating to define a mold cavity when they are in position adjacent one another, and a tiltable upper platen hinged on each lower platen and movable from a position adjacent and overlying a portion of the platen to a position above the platen. A top core support is adapted to be moved into position on the mold when the lower platens are adjacent one another and the upper platens are pivoted downwardly onto the lower platens. A plurality of inserts are adjustably supported on the top core support and extend downwardly to form corresponding cylinder openings in the casting.
REFERENCES:
patent: 1019905 (1912-03-01), Schilling et al.
patent: 1318380 (1919-10-01), Hazelett
patent: 1695001 (1928-12-01), Wood
patent: 2287524 (1941-02-01), Jackson
patent: 2445995 (1948-07-01), Bourret et al.
Baldwin Robert D.
Lin K. Y.
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