Method for controlling the temperature of a cellulosic web...

Paper making and fiber liberation – Processes and products – With measuring – inspecting and/or testing

Reexamination Certificate

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Details

C162S207000, C034S338000, C034S348000, C034S349000

Reexamination Certificate

active

07419571

ABSTRACT:
The invention relates to a method for controlling the temperature of a web, which is formed from cellulosic pulp and is to be passed to a dryer, by way of applying temperature-controlled liquid to the web. According to the invention, the thus formed web is passed into a closed space defined by two wires and side deckles, wherein temperature-controlled liquid is applied at controlled pressure and flow rate through the wire to the web.

REFERENCES:
patent: 1881404 (1932-10-01), Hadley
patent: 2838982 (1958-06-01), Dupasquier
patent: 3089252 (1963-05-01), Daane et al.
patent: 3795578 (1974-03-01), Dupasquier
patent: 3945881 (1976-03-01), Speidel
patent: 4331510 (1982-05-01), Wells
patent: 4977687 (1990-12-01), Boissevain
patent: 5736007 (1998-04-01), Duffy
patent: 6076279 (2000-06-01), Saalasti
patent: 6085437 (2000-07-01), Stipp
patent: 6365004 (2002-04-01), Hamstrom et al.
patent: 2002/0162243 (2002-11-01), Runge et al.
patent: 2006/0162891 (2006-07-01), Sakari
patent: 2 293 300 (1999-11-01), None
patent: WO 99/55958 (1999-11-01), None
patent: WO 2004/020735 (2004-03-01), None

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