EP1101864A3 - Process for transfering a fibrous web - Google Patents

Process for transfering a fibrous web Download PDF

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Publication number
EP1101864A3
EP1101864A3 EP00121725A EP00121725A EP1101864A3 EP 1101864 A3 EP1101864 A3 EP 1101864A3 EP 00121725 A EP00121725 A EP 00121725A EP 00121725 A EP00121725 A EP 00121725A EP 1101864 A3 EP1101864 A3 EP 1101864A3
Authority
EP
European Patent Office
Prior art keywords
web
guide roller
covering
suction guide
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.)
Granted
Application number
EP00121725A
Other languages
German (de)
French (fr)
Other versions
EP1101864A2 (en
EP1101864B1 (en
Inventor
Wolfgang Mayer
Ralf Rziha
Roland Mayer
Hans Prinzing
Dirk Thomas
Ingolf Cedra
Thomas Augscheller
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 DE1999155030 external-priority patent/DE19955030A1/en
Priority claimed from DE2000115357 external-priority patent/DE10015357A1/en
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1101864A2 publication Critical patent/EP1101864A2/en
Publication of EP1101864A3 publication Critical patent/EP1101864A3/en
Application granted granted Critical
Publication of EP1101864B1 publication Critical patent/EP1101864B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0063—Devices for threading a web tail through a paper-making machine

Landscapes

  • Preliminary Treatment Of Fibers (AREA)
  • Replacement Of Web Rolls (AREA)
  • Paper (AREA)

Abstract

Bei einem Verfahren zum Überführen einer zu behandelnden Faserstoffbahn 12, insbesondere Papier- oder Kartonbahn, von einem die Faserstoffbahn 12 abgebenden endlosen Bespannungsband 22; 24 an ein die Faserstoffbahn 12 aufnehmendes endloses Bespannungsband 28; 40, das im Überführbereich um eine Saugleitwalze 36; 42 geführt ist, und bei einer entsprechenden Vorrichtung zur Behandlung einer Faserstoffbahn 12, werden die beiden Bespannungsbänder 22; 28; 24; 40 relativ zueinander über eine Betriebsstellung hinaus, in der das um die Saugleitwalze 36; 42 geführte bahnaufnehmende Bespannungsband 28; 40 die vom bahnabgebenden Bespannungsband 22; 24 zugeführte Faserstoffbahn 12 zumindest im wesentlichen berührt, ohne daß diese und das bahnabgebende Bespannungsband die Saugleitwalze 36; 42 umschlingen, in eine Überführstellung bewegt, in der das um die Saugleitwalze 36; 42 geführte bahnaufnehmende Bespannungsband 28; 40 im Bereich der Saugleitwalze 36; 42 in das bahnabgebende Bespannungsband 22; 24 eintaucht. Nach der Überführung der Faserstoffbahn 12 werden die beiden Bespannungsbänder relativ zueinander zumindest im wesentlichen wieder in die Betriebsstellung bewegt. Gleichzeitig wird der Unterdruck in der Saugleitwalze 36; 42 so verändert, daß er in der Überführstellung größer ist als in der Betriebsstellung.

Figure 00000001
In the case of a method for transferring a fibrous web 12 to be treated, in particular paper or cardboard web, from an endless covering tape 22; 24 to an endless covering band 28 receiving the fibrous web 12; 40, which in the transfer area around a suction guide roller 36; 42 is guided, and in a corresponding device for treating a fibrous web 12, the two covering bands 22; 28; 24; 40 relative to one another beyond an operating position in which the suction guide roller 36; 42 guided web-receiving clothing band 28; 40 those from the web-dispensing covering belt 22; 24 supplied fibrous web 12 touches at least substantially without this and the web-releasing covering tape the suction guide roller 36; 42 loop around, moved into a transfer position in which the suction guide roller 36; 42 guided web-receiving clothing band 28; 40 in the area of the suction guide roller 36; 42 into the web-releasing covering band 22; 24 dips. After the transfer of the fibrous web 12, the two covering bands are at least substantially moved back into the operating position relative to one another. At the same time, the negative pressure in the suction guide roller 36; 42 changed so that it is larger in the transfer position than in the operating position.
Figure 00000001
EP00121725A 1999-11-16 2000-10-05 Process for transfering a fibrous web Expired - Lifetime EP1101864B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19955030 1999-11-16
DE1999155030 DE19955030A1 (en) 1999-11-16 1999-11-16 Transfer of paper/cardboard web between stations in papermaking/cardboard machine, comprises shifting movements of delivery and pick-up belts for clean and rapid transfer without loss of production time
DE10015357 2000-03-28
DE2000115357 DE10015357A1 (en) 2000-03-28 2000-03-28 Web transfer between stations of a papermaking/cardboard prodn machine has the delivery belt and the pick-up belt and suction guide roller moved into a transfer position into each other and then returned to the working positions

Publications (3)

Publication Number Publication Date
EP1101864A2 EP1101864A2 (en) 2001-05-23
EP1101864A3 true EP1101864A3 (en) 2002-11-13
EP1101864B1 EP1101864B1 (en) 2005-03-02

Family

ID=26005059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00121725A Expired - Lifetime EP1101864B1 (en) 1999-11-16 2000-10-05 Process for transfering a fibrous web

Country Status (2)

Country Link
EP (1) EP1101864B1 (en)
DE (1) DE50009627D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI114647B (en) 2003-07-02 2004-11-30 Metso Paper Inc An arrangement for controlling the web with a press section of a paper or board machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708389A (en) * 1968-12-02 1973-01-02 Beloit Corp Web pickup arrangement for papermaking machines
US4854053A (en) * 1987-04-30 1989-08-08 Beloit Corporation Transfer apparatus
DE9001209U1 (en) * 1990-02-03 1990-04-05 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4124648A1 (en) * 1991-07-25 1993-01-28 Escher Wyss Gmbh Paper-making drying groups - has web transfer between fourdrinier(s) without change of direction
DE19511988C1 (en) * 1995-03-31 1996-08-01 Voith Sulzer Papiermasch Gmbh Paper mfg. press section for improved drainage and availability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708389A (en) * 1968-12-02 1973-01-02 Beloit Corp Web pickup arrangement for papermaking machines
US4854053A (en) * 1987-04-30 1989-08-08 Beloit Corporation Transfer apparatus
DE9001209U1 (en) * 1990-02-03 1990-04-05 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4124648A1 (en) * 1991-07-25 1993-01-28 Escher Wyss Gmbh Paper-making drying groups - has web transfer between fourdrinier(s) without change of direction
DE19511988C1 (en) * 1995-03-31 1996-08-01 Voith Sulzer Papiermasch Gmbh Paper mfg. press section for improved drainage and availability

Also Published As

Publication number Publication date
EP1101864A2 (en) 2001-05-23
EP1101864B1 (en) 2005-03-02
DE50009627D1 (en) 2005-04-07

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