EP1811081A3 - Headbox of a machine for manufacturing a fibrous web - Google Patents

Headbox of a machine for manufacturing a fibrous web Download PDF

Info

Publication number
EP1811081A3
EP1811081A3 EP06124863A EP06124863A EP1811081A3 EP 1811081 A3 EP1811081 A3 EP 1811081A3 EP 06124863 A EP06124863 A EP 06124863A EP 06124863 A EP06124863 A EP 06124863A EP 1811081 A3 EP1811081 A3 EP 1811081A3
Authority
EP
European Patent Office
Prior art keywords
headbox
manufacturing
machine
fibrous web
vortex generators
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
EP06124863A
Other languages
German (de)
French (fr)
Other versions
EP1811081B1 (en
EP1811081A2 (en
Inventor
Wolfgang Ruf
Klaus Lehleiter
Karl Bunz
Konstantin Fenkl
Hans Loser
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
Priority to PL06124863T priority Critical patent/PL1811081T3/en
Publication of EP1811081A2 publication Critical patent/EP1811081A2/en
Publication of EP1811081A3 publication Critical patent/EP1811081A3/en
Application granted granted Critical
Publication of EP1811081B1 publication Critical patent/EP1811081B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/026—Details of the turbulence section

Landscapes

  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

A paper mill has a headbox dispensing a flat flow of fiber suspension via duct incorporating vortex generators in channels that then merge into a single wide transport and drainage conveyer. Each channel has a series of polygonal vortex generators located immediately prior to the channel outlet.
EP06124863A 2006-01-20 2006-11-28 Headbox of a machine for manufacturing a fibrous web Not-in-force EP1811081B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06124863T PL1811081T3 (en) 2006-01-20 2006-11-28 Headbox of a machine for manufacturing a fibrous web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006002788A DE102006002788A1 (en) 2006-01-20 2006-01-20 Fabric runway of a machine for producing a fibrous web

Publications (3)

Publication Number Publication Date
EP1811081A2 EP1811081A2 (en) 2007-07-25
EP1811081A3 true EP1811081A3 (en) 2009-12-23
EP1811081B1 EP1811081B1 (en) 2011-03-30

Family

ID=38123336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124863A Not-in-force EP1811081B1 (en) 2006-01-20 2006-11-28 Headbox of a machine for manufacturing a fibrous web

Country Status (4)

Country Link
EP (1) EP1811081B1 (en)
AT (1) ATE503885T1 (en)
DE (2) DE102006002788A1 (en)
PL (1) PL1811081T3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091771A (en) * 1981-01-26 1982-08-04 Ahlstroem Oy Headbox
DE10140416A1 (en) * 2001-08-17 2003-02-27 Voith Paper Patent Gmbh Turbulence generator, for a papermaking machine stock inlet, has a number of pulp flow channels with expanding sections in steps, where a step stage is asymmetrical to the preceding section

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091771A (en) * 1981-01-26 1982-08-04 Ahlstroem Oy Headbox
DE10140416A1 (en) * 2001-08-17 2003-02-27 Voith Paper Patent Gmbh Turbulence generator, for a papermaking machine stock inlet, has a number of pulp flow channels with expanding sections in steps, where a step stage is asymmetrical to the preceding section

Also Published As

Publication number Publication date
ATE503885T1 (en) 2011-04-15
PL1811081T3 (en) 2011-09-30
DE102006002788A1 (en) 2007-07-26
EP1811081B1 (en) 2011-03-30
DE502006009202D1 (en) 2011-05-12
EP1811081A2 (en) 2007-07-25

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