Metal founding – Means to shape metallic material – Pressure shaping means
Patent
1994-12-08
1997-05-20
Batten, Jr., J. Reed
Metal founding
Means to shape metallic material
Pressure shaping means
164314, B22D 1708, B22D 1732
Patent
active
056304633
ABSTRACT:
A variable volume metal delivery system for a die casting machine. The system includes a shot sleeve having a plunger propelled by a shot cylinder. A stroke adjustment rod operated by a second cylinder extends into the shot cylinder to define the backward stroke limit of the shot cylinder and consequently that of the plunger. The stroke adjustment rod is movable by means of the second cylinder between a high-volume position, permitting a relatively long stroke, and a low-volume position, providing a relatively short stroke. Accordingly, the volume of the shot sleeve can be changed easily, for example, to accommodate the manufacture of articles either with or without structural inserts.
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Batten, Jr. J. Reed
Nelson Metal Products Corporation
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