Metal founding – Means to shape metallic material – Including means to assemble mold parts
Patent
1978-12-11
1980-06-10
Baldwin, Robert D.
Metal founding
Means to shape metallic material
Including means to assemble mold parts
164343, 164347, 4254519, 425468, 425556, 425577, 425595, B22D 1726
Patent
active
042067995
ABSTRACT:
A die member in an ejector die assembly is movable obliquely with respect to the axis of movement of the ejector die assembly. Backup plate means is connected to the ejector die assembly by a lost motion connection. The backup plate means locks the die member by direct engagement with the die member in the machine closed position and is moved away from the ejector die assembly in the machine open position to permit withdrawal of the die member from the die cavity.
REFERENCES:
patent: 3165796 (1965-01-01), McDonald
patent: 3339242 (1967-09-01), Lamb
patent: 3433292 (1969-03-01), McDonald
patent: 3596708 (1971-08-01), Lapin
Baldwin Robert D.
Batten, Jr. J. Reed
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