Apparatus in a cantilevered frame part of a paper machine

Details Apparatus in a cantilevered frame part of a paper machine Apparatus in a cantilevered frame part of a paper machine

1988-11-30

1989-08-29

Hastings, Karen

Paper making and fiber liberation

Apparatus

Apparatus repair, cleaning or conditioning

162199, 162358, D21F 302, D21F 124

Patent

active

048614319

ABSTRACT:
Method and apparatus in a cantilevered frame part of a press section and/or wire section of a paper machine in which a cantilevered beam extending between the side frames of the machine is pre-tensioned by applying a force on the cantilevered or projecting part of the beam. The pre-tensioning is produced by a power device, preferably a hydraulic power unit, which produces a downwardly directed pre-tensioning force on the projecting part of the cantilevered beam. The pre-tensioning is applied prior to the replacement of press fabrics or an equivalent operation, and is released after the fabric replacement has been carried out and the side frame at the service side of the machine has been closed or is closeable.

REFERENCES:
patent: 4140575 (1979-02-01), Wenzl
patent: 4452668 (1984-06-01), Vallius et al.
patent: 4560441 (1985-12-01), Kraft et al.

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