Method and apparatus for tightening a shoe press roll mantle and/or reducing its wear
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United States of America Patent
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May 10, 2005
Grant Date -
Feb 6, 2003
app pub date -
Jul 1, 2002
filing date -
Jul 5, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for tightening a shoe press roll mantle and/or reducing its wear, in which method the shoe press used comprises a press roll (1) and a backing roll, said press roll (1) comprising a rotating, liquid-impermeable roll mantle (2), a solid and preferably non-rotatable support beam (3) going axially through the roll mantle and having a stub shaft (4, 5) at each end of it, at least one press shoe supported by the support beam and having a concave surface part, elements for pressing the concave surface part against the roll mantle so that the mantle together with the backing roll can form a pressing zone, two roll mantle end pieces (6, 7) axially movable on each stub shaft, fastening elements for fastening the axial ends of the roll mantle to each roll mantle end piece, and at least one element for tightening the elastic roll mantle and/or moving it axially on each respective stub shaft. The roll mantle is tightened and/or displaced by means of a common actuator (8) functionally connected to both roll mantle end pieces, both roll mantle end pieces (6, 7) being moved simultaneously by said actuator.
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