Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Reexamination Certificate
2005-08-09
2005-08-09
Hug, Eric (Department: 1731)
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
C162S205000, C162S206000, C162S358500, C100S118000, C100S121000, C100S153000, C100S327000
Reexamination Certificate
active
06926805
ABSTRACT:
The press device for a paper web, such as a calendar, contains a flexible moving element (1a) forming an endless structure, said element forming the shell (1) of a roll, the press device including further a counter roll. Inside the moving element (1a) there is a shoe element (3) that is arranged to support the shell (1a) against the counter roll to form a nip (N). The width and/or the surface contour of the supporting surface of the shoe element (3) guiding the shell of the roll in the nip contact varies in the machine direction and the shoe element is positionable in the machine direction to adjust the nip width and/or length.
REFERENCES:
patent: 3269893 (1966-08-01), Rojecki
patent: 3293121 (1966-12-01), Martin
patent: 4287021 (1981-09-01), Justus et al.
patent: 4431045 (1984-02-01), Josefsson
patent: 4705602 (1987-11-01), Dahl
patent: 5614064 (1997-03-01), Nykopp
patent: 5753084 (1998-05-01), Bubik et al.
patent: 1 369 526 (2003-12-01), None
Metso Paper Inc.
Steinberg & Raskin, P.C.
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