Extended-nip roll press for dewatering a fibrous web
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United States of America Patent
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-
Aug 31, 2004
Grant Date -
Apr 3, 2003
app pub date -
Sep 4, 2002
filing date -
Sep 7, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Extended-nip roll press for dewatering a material web comprises a rotating mating roll and an extended-nip press roll. The extended-nip press roll has a stationary support and a flexible roll cover which rotates about the support. A press shoe is arranged on the support, and the roll cover has end sections which are clamped firmly on rotatable end walls on the support. End wall clamping rings respond to a first actuating device and clamp a resilient spreader ring radially against an outer ring that can be connected firmly to the end walls. A sealing ring is arranged on each end wall adjacent the clamping ring and can be deformed radially against the outer ring by means of a second actuating device.
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