EP1148172A2 - Dispositif coupe-bordure dans une machine à papier - Google Patents

Dispositif coupe-bordure dans une machine à papier Download PDF

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Publication number
EP1148172A2
EP1148172A2 EP00127862A EP00127862A EP1148172A2 EP 1148172 A2 EP1148172 A2 EP 1148172A2 EP 00127862 A EP00127862 A EP 00127862A EP 00127862 A EP00127862 A EP 00127862A EP 1148172 A2 EP1148172 A2 EP 1148172A2
Authority
EP
European Patent Office
Prior art keywords
paper web
paper
edge strips
paper machine
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.)
Withdrawn
Application number
EP00127862A
Other languages
German (de)
English (en)
Other versions
EP1148172A3 (fr
Inventor
Karl Josef Böck
Gerhard Kotitschke
Johann Moser
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
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1148172A2 publication Critical patent/EP1148172A2/fr
Publication of EP1148172A3 publication Critical patent/EP1148172A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/006—Cutting the edges of the paper-web

Definitions

  • the invention relates to a paper machine for producing a paper web a former for sheet formation, a subsequent press section for dewatering and a subsequent dryer section for drying the paper web.
  • the object of the invention is therefore a good one with as little effort as possible To ensure the quality of the web edges at the end of the paper machine.
  • the object was achieved in that at least in the area of Press and / or dryer section preferably on both sides, at least one each Edge strips are separated from the paper web and removed.
  • This enables the Edge strips according to endangered areas (with regard to stable web guidance) to arrange.
  • it is possible to take the measures for Ensure a stable web guide to limit or even reduce and on the other hand also under difficult conditions (low basis weight, high speed etc.) clean and straight web edges at the end of the Ensure paper machine.
  • the verges should therefore be at the end of Press section, separated at the beginning of the dryer section or in between and be dissipated.
  • This first edge trim should be in generally be larger than the following. It is to limit the effort however, it is also possible to do without the edge trimming in the former.
  • the edge strips should be separated from the paper web Water jet devices take place, the paper web being carried by a belt, in particular in the form of a sieve or felt, or a roller can. Because of the high pressure of the water jet device, it is generally however, advantageous if the paper web during the separation of the edge strips runs unsupported, otherwise there is a risk of damage to the belt or roller are.
  • the edge strips should be removed by at least one scraper or a similar-looking element is supported, which is the edge strip preferably in the machine basement.
  • the so-called sheet formation takes place in the former, the paper web 1 by one Band 4 in the form of a forming wire 8 is supported.
  • At the end of the shaper is here Water jet devices 3 arranged on both sides of the paper web 1 each Edge strips 2 separated from paper web 1. The edge strips 2 are then removed by a scraper 2 from the forming wire 8 and into the Machine cellar led to the pulper.
  • the water jet devices 3 have at least one nozzle that a jet of water with a relatively high pressure on the Paper web 1 aligns.
  • the paper web 1 is connected to a belt 4 handed over to the dryer section in the form of a dryer fabric 9.
  • the paper web 1 is dried together with at least one dryer fabric 9 guided over heated drying cylinder 5 and suction guide roller 7.
  • lower press felt 10 of the last press nip can also use a smooth, water-impermeable transfer ribbon can be an advantage.
EP00127862A 2000-04-04 2000-12-20 Dispositif coupe-bordure dans une machine à papier Withdrawn EP1148172A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10016754 2000-04-04
DE10016754A DE10016754A1 (de) 2000-04-04 2000-04-04 Papiermaschine

Publications (2)

Publication Number Publication Date
EP1148172A2 true EP1148172A2 (fr) 2001-10-24
EP1148172A3 EP1148172A3 (fr) 2002-04-17

Family

ID=7637570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00127862A Withdrawn EP1148172A3 (fr) 2000-04-04 2000-12-20 Dispositif coupe-bordure dans une machine à papier

Country Status (3)

Country Link
US (1) US6413375B2 (fr)
EP (1) EP1148172A3 (fr)
DE (1) DE10016754A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354677A2 (fr) * 2002-04-20 2003-10-22 Voith Paper Patent GmbH Dispositif de coupe à jet d'eau

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260847A1 (de) * 2002-12-23 2004-07-01 Voith Paper Patent Gmbh Verfahren zur Herstellung und/oder Behandlung einer Materialbahn
DE102004037213A1 (de) * 2004-07-30 2006-03-23 Voith Paper Patent Gmbh Pressverfahren
FI20225142A1 (en) * 2022-02-17 2023-08-18 Valmet Technologies Oy Method and system for making fiber webs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031609A1 (en) * 1970-06-26 1972-01-05 Shizuoka Kogyo K.K., Fujimi, Shizuoka (Japan) Edge trimming device for paper making
DE4037166C1 (en) * 1990-11-22 1991-12-19 Sulzer-Escher Wyss Gmbh, 7980 Ravensburg, De Regulation of web width in paper machine - with calendering rolls comprising flexible roll and heating roll, and edge catches at sides in wire section
DE4234449A1 (de) * 1992-10-13 1993-03-04 Voith Gmbh J M Vorrichtung zum abtrennen eines schmalen streifens von einer laufenden papierbahn
DE4222034A1 (de) * 1992-07-04 1994-01-05 Voith Gmbh J M Trennung des Randstreifens einer Papierbahn in der Pressenpartie vom wasserundurchlässigen Band

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1279756A (en) * 1918-03-14 1918-09-24 Great Northern Paper Co Method and machine for making paper.
US1761051A (en) * 1929-01-30 1930-06-03 Wilfrid J Rivard Deckling machine
US2714342A (en) * 1950-11-02 1955-08-02 Beloit Iron Works Suction roll
US3405031A (en) * 1965-05-27 1968-10-08 Procter & Gamble Apparatus and method for trimming and removing the edge of a pulp web
US5234549A (en) * 1988-09-26 1993-08-10 Weldon Scott B Apparatus for forming a movable threading tail
US4904344A (en) * 1989-04-17 1990-02-27 Beloit Corporation Automatic web threading apparatus and method
FI84742C (fi) * 1990-02-22 1992-01-10 Valmet Paper Machinery Inc Foerfarande och anordning vid skaerning av spetsdragningsbandet av en pappersbana.
DE4038250C1 (fr) * 1990-11-30 1992-01-30 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4319323A1 (de) * 1993-06-11 1993-11-04 Voith Gmbh J M Verfahren zum betreiben einer pressenpartie und vorrichtung zum durchfuehren des verfahrens
US6001219A (en) * 1997-05-07 1999-12-14 Caspar; Roman C. Water jet edge trimming station for use in papermaking machine
CA2208381A1 (fr) * 1997-06-20 1998-12-20 Roman C. Caspar Appareil pour tailler et engager une queue de feuille continue dans une machine a papier
US6207016B1 (en) * 1998-05-14 2001-03-27 Ekstroem Lars Method for dividing a paper web

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031609A1 (en) * 1970-06-26 1972-01-05 Shizuoka Kogyo K.K., Fujimi, Shizuoka (Japan) Edge trimming device for paper making
DE4037166C1 (en) * 1990-11-22 1991-12-19 Sulzer-Escher Wyss Gmbh, 7980 Ravensburg, De Regulation of web width in paper machine - with calendering rolls comprising flexible roll and heating roll, and edge catches at sides in wire section
DE4222034A1 (de) * 1992-07-04 1994-01-05 Voith Gmbh J M Trennung des Randstreifens einer Papierbahn in der Pressenpartie vom wasserundurchlässigen Band
DE4234449A1 (de) * 1992-10-13 1993-03-04 Voith Gmbh J M Vorrichtung zum abtrennen eines schmalen streifens von einer laufenden papierbahn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354677A2 (fr) * 2002-04-20 2003-10-22 Voith Paper Patent GmbH Dispositif de coupe à jet d'eau
EP1354677A3 (fr) * 2002-04-20 2005-02-23 Voith Paper Patent GmbH Dispositif de coupe à jet d'eau

Also Published As

Publication number Publication date
US6413375B2 (en) 2002-07-02
DE10016754A1 (de) 2001-10-11
EP1148172A3 (fr) 2002-04-17
US20010025696A1 (en) 2001-10-04

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