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DE50013339D1 - Method and device for dewatering a fibrous web - Google Patents

Method and device for dewatering a fibrous web

Info

Publication number
DE50013339D1
DE50013339D1 DE50013339T DE50013339T DE50013339D1 DE 50013339 D1 DE50013339 D1 DE 50013339D1 DE 50013339 T DE50013339 T DE 50013339T DE 50013339 T DE50013339 T DE 50013339T DE 50013339 D1 DE50013339 D1 DE 50013339D1
Authority
DE
Germany
Prior art keywords
dewatering
fibrous web
fibrous
web
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE50013339T
Other languages
German (de)
Inventor
Joachim Dr Grabscheid
Karl Josef Boeck
Ulrich Begemann
Thomas Dr Elenz
Peter Mirsberger
Hans Dr Dahl
Hannes Dr Vomhoff
David Allen Beck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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
Priority claimed from US09/409,794 external-priority patent/US6645420B1/en
Priority claimed from DE1999146982 external-priority patent/DE19946982A1/en
Priority claimed from DE1999146984 external-priority patent/DE19946984A1/en
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Priority to DE50013339T priority Critical patent/DE50013339D1/en
Application granted granted Critical
Publication of DE50013339D1 publication Critical patent/DE50013339D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0254—Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers
    • 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
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0254—Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers
    • D21F3/0263—Sealing arrangements therefor
    • 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
    • D21F3/0272—Wet presses in combination with suction or blowing devices
    • 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
    • D21F3/029—Wet presses using special water-receiving belts
    • 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
DE50013339T 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web Expired - Fee Related DE50013339D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50013339T DE50013339D1 (en) 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/409,794 US6645420B1 (en) 1999-09-30 1999-09-30 Method of forming a semipermeable membrane with intercommunicating pores for a pressing apparatus
DE1999146982 DE19946982A1 (en) 1999-09-30 1999-09-30 Extraction of water from a wet paper/cardboard web has a leading press assembly followed by a water extraction zone where a gas under pressure displaces water from the web
DE1999146984 DE19946984A1 (en) 1999-09-30 1999-09-30 Water extraction zone for a wet paper/cardboard web is divided into separate sections, with individual settings for the pressure gas directed at a membrane over the web to displace water from it into a lower blanket
DE50013339T DE50013339D1 (en) 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web

Publications (1)

Publication Number Publication Date
DE50013339D1 true DE50013339D1 (en) 2006-09-28

Family

ID=27219303

Family Applications (4)

Application Number Title Priority Date Filing Date
DE50013312T Expired - Fee Related DE50013312D1 (en) 1999-09-30 2000-09-21 Process for dewatering a fibrous web
DE50009970T Expired - Lifetime DE50009970D1 (en) 1999-09-30 2000-09-21 Semipermeable membrane with interconnecting pores for a press
DE50013759T Expired - Fee Related DE50013759D1 (en) 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web
DE50013339T Expired - Fee Related DE50013339D1 (en) 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE50013312T Expired - Fee Related DE50013312D1 (en) 1999-09-30 2000-09-21 Process for dewatering a fibrous web
DE50009970T Expired - Lifetime DE50009970D1 (en) 1999-09-30 2000-09-21 Semipermeable membrane with interconnecting pores for a press
DE50013759T Expired - Fee Related DE50013759D1 (en) 1999-09-30 2000-09-21 Method and device for dewatering a fibrous web

Country Status (2)

Country Link
EP (4) EP1088933B1 (en)
DE (4) DE50013312D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702924B2 (en) * 2001-09-27 2004-03-09 Voith Paper Patent Gmbh Main roll for an air press of a papermaking machine
US6616812B2 (en) * 2001-09-27 2003-09-09 Voith Paper Patent Gmbh Anti-rewet felt for use in a papermaking machine
DE10159411A1 (en) * 2001-12-04 2003-06-12 Voith Paper Patent Gmbh Device for dewatering a fibrous web
GB0130431D0 (en) * 2001-12-20 2002-02-06 Voith Fabrics Heidenheim Gmbh Permeable membrane
DE10304575A1 (en) * 2003-02-05 2004-08-19 Voith Paper Patent Gmbh Press gap, to extract water from a wet web, of paper/cardboard/tissue, has compressed air channels in the counter roller mantle to form an air cushion over the web at the press roller mantle recess
US6875310B2 (en) 2003-03-26 2005-04-05 Voith Paper Patent Gmbh Roll configuration for an air press of a papermaking machine
DE102006000053A1 (en) 2006-02-08 2007-08-09 Voith Patent Gmbh Producing fibrous sheet, e.g. of paper or cardboard, with clean finished side, includes dewatering sheet by displacement dewatering with displacing gas flowing from finished side towards reverse side

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH563867A5 (en) * 1973-03-01 1975-07-15 Escher Wyss Gmbh
US3970515A (en) * 1973-11-05 1976-07-20 Beloit Corporation Controlled sequence pressure nip
AT380907B (en) * 1981-01-27 1986-07-25 Escher Wyss Gmbh WET PRESS WITH EXTENDED PRESS SPLIT FOR PAPER MACHINES
FI70952C (en) * 1982-10-14 1986-10-27 Valmet Oy ANORDNING MED LAONG PRESON VID PRESSBEHANDLING AV FIBERBANA
US4675079A (en) * 1982-12-14 1987-06-23 Webster David R Multi-nip suction press with a four roller closed train
DD222680A1 (en) * 1984-04-03 1985-05-22 Wtz Zellstoff Papierind METHOD FOR THE TEMPERING OF FIBROUS STRIPS
DE3728124A1 (en) * 1987-08-22 1989-03-02 Escher Wyss Gmbh DRAINAGE PRESS WITH STEAM FEED
US4888096A (en) * 1987-12-02 1989-12-19 Inotech Process Ltd. Roll press for removing water from a web of paper using solid grooved roll and compressed air
DE4028085C1 (en) * 1990-09-05 1992-02-27 Thomas Josef Heimbach Gmbh & Co, 5160 Dueren, De
GB9404960D0 (en) * 1994-03-15 1994-04-27 Scapa Group Plc Belt for long nip dewatering presses
US5700356A (en) * 1996-01-19 1997-12-23 Lefkowitz; Leonard R. Air permeable belt for dewatering web in press nip
DE19653508A1 (en) * 1996-10-16 1998-04-23 Voith Sulzer Papiermasch Gmbh Paper-making machine press section
WO1999023296A1 (en) * 1997-10-31 1999-05-14 Beloit Technologies, Inc. Air press

Also Published As

Publication number Publication date
EP1362949A1 (en) 2003-11-19
EP1088933A3 (en) 2002-08-21
EP1362949B1 (en) 2006-08-16
DE50013759D1 (en) 2006-12-28
EP1362950B1 (en) 2006-11-15
EP1088933B1 (en) 2005-04-06
EP1362948B1 (en) 2006-08-09
DE50013312D1 (en) 2006-09-21
DE50009970D1 (en) 2005-05-12
EP1362948A1 (en) 2003-11-19
EP1088933A2 (en) 2001-04-04
EP1362950A1 (en) 2003-11-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: VOITH PATENT GMBH, 89522 HEIDENHEIM, DE

8339 Ceased/non-payment of the annual fee