Extrusion press with method and apparatus for removing unused metal from extruder piston
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United States of America Patent
Stats
-
Feb 23, 1982
Grant Date -
N/A
app pub date -
Jun 24, 1980
filing date -
Jun 29, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and method for removing a metal collar from the lower portion of the piston of a metal extrusion press which may be attached to the press. A pivotally mounted frame has a portion which can be moved toward and away from the piston while it is retracted from the metal container and the frame carries two cutting knives and two divaricating members disposed alternately around the piston axis. Each knife and each divaricating means is movable parallel to the axis of the piston and radially outwardly of the piston by a pair of pivotally interconnected fluid-actuable, cylinder and piston assemblies. The frame may also carry apparatus for loading container sealing discs on the press metal container and may be in the form of a cage with an openable side.
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