CA2407913A1 - A method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement and mounting arrangement therefor - Google Patents

A method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement and mounting arrangement therefor Download PDF

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Publication number
CA2407913A1
CA2407913A1 CA002407913A CA2407913A CA2407913A1 CA 2407913 A1 CA2407913 A1 CA 2407913A1 CA 002407913 A CA002407913 A CA 002407913A CA 2407913 A CA2407913 A CA 2407913A CA 2407913 A1 CA2407913 A1 CA 2407913A1
Authority
CA
Canada
Prior art keywords
mounting arrangement
vane
headbox
downstream
support wall
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
CA002407913A
Other languages
French (fr)
Other versions
CA2407913C (en
Inventor
Jan Anders Erikson
Tord Gustav Gustavsson
Ingvar Berndt Erik Klerelid
Joakim Norrman
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.)
Valmet AB
Original Assignee
Individual
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 SE0002338A external-priority patent/SE516634C2/en
Application filed by Individual filed Critical Individual
Publication of CA2407913A1 publication Critical patent/CA2407913A1/en
Application granted granted Critical
Publication of CA2407913C publication Critical patent/CA2407913C/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
    • 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
    • D21F1/028—Details of the nozzle section

Abstract

A method of ensuring the flatness of a vane (14) that is mounted in a headbox by means of a mounting arrangement including engagement dowels (22) for cooperation with a downstream support wall (25) of a transverse groove (20), said vane being affected during operation by shearing forces from the stock and by retaining forces from the mounting arrangement. In accordance with the invention outer engagement dowels are mounted at the side edges (31, 32) of the vane to cooperate during a specific period of time, as the only engagement dowels (22a), with the downstream support wall in order to take up said shearing forces, whereby tensile stresses will arise in the downstream end portion (33) of the vane in the cross machine direction. The invention also relates to a headbox having such a mounting arrangement and the mounting arrangement per se in which the vane within and downstream of an inner area (35) of the upstream end portion (21) of the vane is arranged to move freely in the machine direction in relation to said downstream support wall during said period of time.
CA002407913A 2000-06-22 2001-06-18 A method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement and mounting arrangement therefor Expired - Fee Related CA2407913C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0002338A SE516634C2 (en) 2000-06-22 2000-06-22 Headbox for delivering jet of stock to forming zone for wet-forming fiber web, has mounting arrangement including outer engagement member(s) or outer group of engagement members in proximity of each side edge of vane
SE0002338-2 2000-06-22
US22107200P 2000-07-27 2000-07-27
US60/221,072 2000-07-27
PCT/SE2001/001368 WO2001098583A1 (en) 2000-06-22 2001-06-18 A method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement and mounting arrangement therefor

Publications (2)

Publication Number Publication Date
CA2407913A1 true CA2407913A1 (en) 2001-12-27
CA2407913C CA2407913C (en) 2006-02-14

Family

ID=26655155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002407913A Expired - Fee Related CA2407913C (en) 2000-06-22 2001-06-18 A method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement and mounting arrangement therefor

Country Status (8)

Country Link
EP (1) EP1313911B1 (en)
JP (1) JP2004501294A (en)
AT (1) ATE372411T1 (en)
AU (1) AU2001274758A1 (en)
BR (1) BR0111649A (en)
CA (1) CA2407913C (en)
DE (1) DE60130343T2 (en)
WO (1) WO2001098583A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2784212A1 (en) * 2013-03-28 2014-10-01 Valmet Technologies, Inc. Paper or board making machine and method for manufacturing high filler content paper or board

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE511684C2 (en) * 1998-03-02 1999-11-08 Valmet Karlstad Ab Multilayer headbox

Also Published As

Publication number Publication date
BR0111649A (en) 2003-07-01
EP1313911A1 (en) 2003-05-28
WO2001098583A1 (en) 2001-12-27
ATE372411T1 (en) 2007-09-15
AU2001274758A1 (en) 2002-01-02
DE60130343T2 (en) 2008-06-12
DE60130343D1 (en) 2007-10-18
CA2407913C (en) 2006-02-14
JP2004501294A (en) 2004-01-15
EP1313911B1 (en) 2007-09-05

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