Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1994-11-21
1997-10-28
Hastings, Karen M.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
1623583, 1623603, 162306, D21F 302
Patent
active
056814313
ABSTRACT:
The invention concerns a press section for a paper machine with at least two presses which are successively passed by a web to be dewatered, the web alternately making contact with a press felt and a closed shell surface of a press roll. The first press is fashioned as a single-felted shoe press and configured such that the one web side will make contact with a first smooth press element. The second press is fashioned single-felted as well and configured such that the other web side makes contact with a second, smooth press element. A web transport system is provided between each two adjacent presses. The invention is characterized in that the web transport system features a guide roll with smooth shell surface serving to pick up the web, at least during normal operation, directly from the smooth press element of the first press.
REFERENCES:
patent: 4192711 (1980-03-01), Tapio et al.
patent: 4285766 (1981-08-01), Kankaanpaa
patent: 4406739 (1983-09-01), Kankaanpaa
patent: 4483745 (1984-11-01), Wicks et al.
patent: 4657634 (1987-04-01), Autio
patent: 4976820 (1990-12-01), Laapotti
patent: 5037509 (1991-08-01), Wedel
patent: 5120399 (1992-06-01), Filzen
patent: 5178732 (1993-01-01), Steiner et al.
Hastings Karen M.
J.M. Voith & GmbH
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