Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1983-10-31
1986-01-28
Smith, William F.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
1623601, 34114, 34116, 34117, D21F 304
Patent
active
045669465
ABSTRACT:
In a paper making machine, transfer apparatus for guiding a paper web from the press section to the drying section includes a smoothing press including upper and lower smoothing press rolls wherein the web is passed from the press section to the smoothing nip either directly or guided by a guide roll. The lower smoothing press roll of the smoothing press is substantially situated at a position which is normally occupied by a so-called baby or lead-in cylinder of a conventional drying section and the drying wire of the drying section is guided over a sector of the lower smoothing roll which is of a size sufficiently large that the web is transferred onto the drying wire which then carries the web as a closed draw onto the first drying cylinder of the drying section and, preferably, to the subsequent drying cylinders as a so-called single-fabric draw.
REFERENCES:
patent: 2448295 (1948-08-01), Bratton
patent: 2618205 (1952-11-01), Heys
patent: 3250019 (1966-05-01), Beachler
patent: 3733711 (1973-05-01), Haythornwaite
patent: 4014740 (1977-03-01), Koponen
patent: 4086131 (1978-04-01), Rempel et al.
patent: 4172007 (1979-10-01), Kankaanpaa162359
Koponen Martti
Tapio Olli
Smith William F.
Valmet Oy
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