Plunger-cylinder assembly
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United States of America Patent
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Jan 27, 2009
Grant Date -
Sep 4, 2008
app pub date -
Jul 11, 2006
filing date -
Jul 11, 2005
priority date (Note) -
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Abstract
A plunger-cylinder assembly for a press including a plunger which is accommodated at least in part in a cylinder while separating the interior of the cylinder into two partial chambers along the cylinder axis. A relieving device which counteracts an increase in pressure of a fluid accommodated in the first partial chamber is disposed in at least one first partial chamber the increase in pressure being caused by a movement of the plunger along the cylinder axis in the direction of the first partial chamber. A hydraulic press encompassing such a plunger-cylinder assembly is also described.
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