ATE337433T1 - METHOD FOR PRODUCING PAPER OR CARDBOARD - Google Patents

METHOD FOR PRODUCING PAPER OR CARDBOARD

Info

Publication number
ATE337433T1
ATE337433T1 AT02716874T AT02716874T ATE337433T1 AT E337433 T1 ATE337433 T1 AT E337433T1 AT 02716874 T AT02716874 T AT 02716874T AT 02716874 T AT02716874 T AT 02716874T AT E337433 T1 ATE337433 T1 AT E337433T1
Authority
AT
Austria
Prior art keywords
web
cardboard
press
producing paper
water
Prior art date
Application number
AT02716874T
Other languages
German (de)
Inventor
Jorma Laapotti
Original Assignee
Metso Paper Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metso Paper Inc filed Critical Metso Paper Inc
Application granted granted Critical
Publication of ATE337433T1 publication Critical patent/ATE337433T1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus

Landscapes

  • Paper (AREA)

Abstract

A web is passed to a press section (300) containing extended nips (N1,N2). The heat is applied by a hot precalendering device (Nh) to the surface of the web placed against a water-impervious press surface in the last press nips (N1,N2) of the press section, so that the fibers of the web surface having lower density are heated, and water is evaporated and transferred to the opposite surface of the web.
AT02716874T 2001-05-16 2002-04-25 METHOD FOR PRODUCING PAPER OR CARDBOARD ATE337433T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20011032A FI109481B (en) 2001-05-16 2001-05-16 Paper manufacture method involves applying heat to web surface that is placed against water-impervious press surface in last press nip of press section, to evaporate water

Publications (1)

Publication Number Publication Date
ATE337433T1 true ATE337433T1 (en) 2006-09-15

Family

ID=8561212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02716874T ATE337433T1 (en) 2001-05-16 2002-04-25 METHOD FOR PRODUCING PAPER OR CARDBOARD

Country Status (5)

Country Link
EP (1) EP1392916B1 (en)
AT (1) ATE337433T1 (en)
DE (1) DE60214164T2 (en)
FI (1) FI109481B (en)
WO (1) WO2002092908A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116400B (en) * 2002-11-19 2005-11-15 Metso Paper Inc Press section in a paper or cardboard machine
FI121674B (en) 2003-01-09 2011-02-28 Metso Paper Inc Method and apparatus for wetting a moving paper or cardboard web
DE10333524A1 (en) * 2003-07-23 2005-02-17 Voith Paper Patent Gmbh Method and device for producing a fibrous web, in particular SC-A or SC-B paper web
DE10355687A1 (en) * 2003-11-28 2005-06-23 Voith Paper Patent Gmbh Process for producing a fibrous web
DE102004010894A1 (en) * 2004-03-06 2005-09-22 Voith Paper Patent Gmbh Method and device for treating a web of paper or cardboard
DE102005031202A1 (en) * 2005-07-01 2007-01-25 Voith Patent Gmbh Process for producing a paper web, in particular gravure paper
AT507029A1 (en) * 2008-06-11 2010-01-15 Andritz Ag Maschf DEVICE AND METHOD FOR DRAINING A FIBROUS WEB
DE102010029582A1 (en) * 2010-06-01 2011-12-01 Voith Patent Gmbh Wet end of a machine for the production of fibrous webs and use of such a wet end
CN209024880U (en) * 2014-11-28 2019-06-25 福伊特专利有限公司 Equipment for manufacturing fibrous cloth width
FI20195568A1 (en) 2019-06-27 2020-12-28 Valmet Technologies Oy Method of forming a multiply board web and a forming section of forming a multiply board web

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104100B1 (en) * 1998-06-10 1999-11-15 Valmet Corp Integrated paper machine

Also Published As

Publication number Publication date
DE60214164D1 (en) 2006-10-05
DE60214164T2 (en) 2007-07-12
EP1392916A1 (en) 2004-03-03
WO2002092908A1 (en) 2002-11-21
FI20011032A0 (en) 2001-05-16
FI109481B (en) 2002-08-15
EP1392916B1 (en) 2006-08-23

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties