EP1911880A1 - Appareil de raclage - Google Patents

Appareil de raclage Download PDF

Info

Publication number
EP1911880A1
EP1911880A1 EP07116525A EP07116525A EP1911880A1 EP 1911880 A1 EP1911880 A1 EP 1911880A1 EP 07116525 A EP07116525 A EP 07116525A EP 07116525 A EP07116525 A EP 07116525A EP 1911880 A1 EP1911880 A1 EP 1911880A1
Authority
EP
European Patent Office
Prior art keywords
scraper
additional mass
bar
scraper bar
blade
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
EP07116525A
Other languages
German (de)
English (en)
Other versions
EP1911880B1 (fr
Inventor
Christoph Lapp
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 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 Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1911880A1 publication Critical patent/EP1911880A1/fr
Application granted granted Critical
Publication of EP1911880B1 publication Critical patent/EP1911880B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G3/00—Doctors
    • D21G3/005—Doctor knifes

Definitions

  • Such scrapers are used, for example, in the paper industry. Here, they serve to clean the surface of rolls, but also the decrease of the paper web of a roll shell, for example, the coat of a drying cylinder.
  • the scraper bar can be hollow. This offers the possibility to accommodate the additional mass inside the scraper bar.
  • the additional mass can also be provided outside the scraper, for example in a housing.
  • a scraper device 5 extends over the cylinder 1.
  • the scraper device 5 comprises a scraper bar 6, a blade holder 7 and a scraper blade 8.
  • the scraper blade 8 is set against the lateral surface of the drying cylinder 1.
  • the doctor blade 8 takes the paper web, which may be largely dried depending on the configuration of the dryer section, from the lateral surface of the drying cylinder 1 from.
  • the third embodiment of the invention shown in FIG. 4 shows a hollow scraper bar 6 with a high-viscosity liquid 12, for example a gel, enclosed therein.
  • a high-viscosity liquid 12 for example a gel
  • an additional mass 9 is embedded, which rests loosely on the bottom of the scraper bar 6.
  • other liquids come into consideration, such as oil or water.

Landscapes

  • Paper (AREA)
EP07116525A 2006-10-13 2007-09-17 Appareil de raclage Not-in-force EP1911880B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610049027 DE102006049027A1 (de) 2006-10-13 2006-10-13 Schabereinrichtung

Publications (2)

Publication Number Publication Date
EP1911880A1 true EP1911880A1 (fr) 2008-04-16
EP1911880B1 EP1911880B1 (fr) 2012-06-27

Family

ID=38626671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116525A Not-in-force EP1911880B1 (fr) 2006-10-13 2007-09-17 Appareil de raclage

Country Status (2)

Country Link
EP (1) EP1911880B1 (fr)
DE (1) DE102006049027A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008018166U1 (de) 2008-09-05 2011-11-16 Voith Patent Gmbh Trockenpartie
DE102008041823A1 (de) 2008-09-05 2010-03-11 Voith Patent Gmbh Trockenpartie

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269846A (en) * 1990-12-13 1993-12-14 Valmet Paper Machinery Incorporated Deflection-compensated doctor blade beam
WO2004005615A1 (fr) * 2002-07-04 2004-01-15 Metso Paper, Inc. Procede et appareil d'amortissement des vibrations d'un module de coupe d'un poste de couchage
WO2005049919A1 (fr) * 2003-11-21 2005-06-02 Metso Paper, Inc. Procede de renforcement de structures de dispositifs de fabrication ou de finissage de bandes continues de papier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115555B (fi) * 2003-06-26 2005-05-31 Metso Paper Inc Menetelmä palkin värähtelyjen vaimentamiseksi ja värähtelyvaimennettu palkki

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269846A (en) * 1990-12-13 1993-12-14 Valmet Paper Machinery Incorporated Deflection-compensated doctor blade beam
WO2004005615A1 (fr) * 2002-07-04 2004-01-15 Metso Paper, Inc. Procede et appareil d'amortissement des vibrations d'un module de coupe d'un poste de couchage
WO2005049919A1 (fr) * 2003-11-21 2005-06-02 Metso Paper, Inc. Procede de renforcement de structures de dispositifs de fabrication ou de finissage de bandes continues de papier

Also Published As

Publication number Publication date
EP1911880B1 (fr) 2012-06-27
DE102006049027A1 (de) 2008-04-17

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