Papermaking press section and transfer arrangement to dryer sect

Details Papermaking press section and transfer arrangement to dryer sect Papermaking press section and transfer arrangement to dryer sect

1988-10-04

1989-10-17

Hastings, Kim

Paper making and fiber liberation

Apparatus

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

34117, 162193, 162286, 162306, 162359, B21F 304

Patent

active

048744700

ABSTRACT:
A press apparatus is disclosed for pressing water from a web which extends from a forming section to the press apparatus and subsequently from the press apparatus to a drying section. The apparatus includes a pick-up roll which is disposed closely adjacent to the forming section for picking up the formed web from the forming section. A downstream roll couple defines therebetween a first nip for pressing a first portion of water from the formed web. A transfer felt cooperates with the pick-up roll and the first roll couple for transferring the web from the pick-up roll to the first nip. A press roll is disposed downstream relative to the first nip and a first backing roll cooperates with the press roll for defining therebetween a second nip. A second backing roll is disposed downstream relative to the second nip with the second backing roll cooperating with the press roll for defining therebetween a third nip. A guide felt is disposed downstream relative to the third nip for guiding the web away from the press roll subsequent to the passage of the web through the third nip. A further press roll is disposed downstream relative to the third nip with the guide felt guiding the web from the third nip to the further press roll. A further backing roll cooperates with the further press roll for defining therebetween a fourth nip and a lead-in felt is disposed closely adjacent to the further press roll and downstream relative to the fourth nip for leading the web from the further press roll to the drying section.

REFERENCES:
patent: 3096233 (1963-07-01), Rappaport et al.
patent: 4075056 (1978-02-01), Ely et al.
patent: 4086131 (1978-04-01), Rempel et al.
patent: 4257844 (1981-03-01), Schmitt et al.
patent: 4285766 (1981-08-01), Kankaanpaa
patent: 4483745 (1984-11-01), Wicks et al.
patent: 4608125 (1986-08-01), Autio
patent: 4648942 (1987-03-01), Wanke et al.

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