Method and apparatus for opening a nip in an extended-nip press

Details Method and apparatus for opening a nip in an extended-nip press Method and apparatus for opening a nip in an extended-nip press

1994-03-07

1996-03-05

Hastings, Karen M.

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

162272, 1623583, 1623585, D21F 302

Patent

active

054964423

ABSTRACT:
A method and apparatus for opening a nip in an extended-nip press in which a nip is formed by a pair of rolls. A loading shoe of the loading members of an extended-nip press roll in the nip is shifted to an open position and apart from the glide-belt mantle when the nip is opened. An inner end-flange part of the end flange is operatively coupled with bearing means of a glide-belt mantle and is rotated in a direction parallel to the face of a central axle of the extended-nip press roll, whereby the glide-belt mantle is removed from contact with a back-up roll since a central axis of the end-flange part is located at a distance from a central axis of the extended-nip press roll.

REFERENCES:
patent: 4707222 (1987-11-01), Mullner et al.
patent: 4856154 (1989-08-01), Nikulainen et al.
patent: 4909903 (1990-03-01), Mullner
patent: 4919761 (1990-04-01), Schiel et al.
patent: 5084137 (1992-01-01), Ilmarinen et al.
patent: 5098523 (1992-03-01), Ilmarinen et al.
patent: 5223100 (1993-06-01), Schiel et al.

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