Shoe press with stop

Details Shoe press with stop Shoe press with stop

1997-05-30

1999-07-20

Hastings, Karen M.

Paper making and fiber liberation

Processes and products

Running or indefinite length work forming and/or treating...

1623583, 162361, D21F 302

Patent

active

059252197

ABSTRACT:
Shoe press for treating a material web that may include a press shoe to be pressed against an opposing element, e.g., a counter roll, with a fluid permeable press jacket and a felt belt being positionable between the press shoe and the opposing element, and a plurality of support elements including cylinder devices and pistons supported on a carrier. The press shoe may have a concave-shaped press face forming a nip with the opposing element such that the nip has a predetermined longitudinal span. The press shoe may be movable on the plurality of support elements, and the pistons of the plurality of support elements may carry the press shoe to permit a tilting movement of the press shoe both in a web travel direction and lateral to the web travel direction. A stop may support the press shoe in the web travel direction and may absorb horizontal forces acting on the press shoe. A tilt axis of the press shoe and a stop face of the stop may be substantially positioned in one of a common plane and an imaginary cylinder face having a radius greater than 250 m, and a press plane may be disposed substantially perpendicular to one of the common plane and the imaginary cylinder face.

REFERENCES:
patent: 4530227 (1985-07-01), Schlatter et al.
patent: 4643802 (1987-02-01), Schiel
patent: 4917768 (1990-04-01), Ilmarinen
patent: 5262011 (1993-11-01), Ilmarinen
patent: 5650047 (1997-07-01), Meschenmoser
patent: 5676799 (1997-10-01), Meschenmoser et al.
European Search Report and Annex dated Oct. 30, 1997.

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