Apparatus for forming an extended nip
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United States of America Patent
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Issued Date -
Jan 26, 2006
app pub date -
Jul 12, 2005
filing date -
Jul 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus for forming an extended nip between a mating roll and a shoe roll for treating a product web, in particular a paper web, the shoe roll having a stationary support and a flexible roll cover which can rotate around the beam and which, in the region of the extended nip, is supported on a pressure shoe arranged on the support and whose ends are fixed on both sides in antifriction-mounted rim discs which are mounted via axially displaceable bearing rings on bearing sleeves fixed to the supporting element, bearing sleeve and bearing rings in each case forming an axially and double-acting cylinder/piston unit, whose pressure chambers are connected to pressure lines for an ability to move the bearing rings axially when pressure medium is applied.
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