SE8801160L - PROCEDURE FOR STABILIZATION OF A PAPER PATH AND A PAPER MACHINE FOR IMPLEMENTATION OF THE PROCEDURE - Google Patents

PROCEDURE FOR STABILIZATION OF A PAPER PATH AND A PAPER MACHINE FOR IMPLEMENTATION OF THE PROCEDURE

Info

Publication number
SE8801160L
SE8801160L SE8801160A SE8801160A SE8801160L SE 8801160 L SE8801160 L SE 8801160L SE 8801160 A SE8801160 A SE 8801160A SE 8801160 A SE8801160 A SE 8801160A SE 8801160 L SE8801160 L SE 8801160L
Authority
SE
Sweden
Prior art keywords
web
procedure
edges
pulp
fibres
Prior art date
Application number
SE8801160A
Other languages
Swedish (sv)
Other versions
SE8801160D0 (en
Inventor
D Egelhof
Original Assignee
Voith Gmbh J M
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 Gmbh J M filed Critical Voith Gmbh J M
Publication of SE8801160D0 publication Critical patent/SE8801160D0/en
Publication of SE8801160L publication Critical patent/SE8801160L/en

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
    • D21F1/022—Means for injecting material into flow within the headbox
    • 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
    • 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
    • D21F1/06—Regulating pulp flow

Landscapes

  • Paper (AREA)

Abstract

The pulp delivered to the papermaking machine has a higher tensile strength potential at the edge zones of the web than in the other zones. The increased tensile strength potential is provided by additives such as a wet strength agent and/or bonding agent as chemicals which increase strength, through the grinding of the fibres, by the addition of further strengthening fibres, or by the addition of fibres which shed water more easily to accelerate the hardening of the web edges and/or by reduction of the filler content in the pulp for the edges of the web. The edges are trimmed from the web at the end of the drying section, and the waste is returned to the pulp feed of the papermaking machine. ADVANTAGE - The technique reduces the flutter at the edges of the web, with a low pulp consumption, and without modification to the drying section of the appts.
SE8801160A 1987-05-09 1988-03-29 PROCEDURE FOR STABILIZATION OF A PAPER PATH AND A PAPER MACHINE FOR IMPLEMENTATION OF THE PROCEDURE SE8801160L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873715551 DE3715551A1 (en) 1987-05-09 1987-05-09 Mfr. of paper with less flutter - by forming stronger edges to the web to prevent flutter

Publications (2)

Publication Number Publication Date
SE8801160D0 SE8801160D0 (en) 1988-03-29
SE8801160L true SE8801160L (en) 1988-11-10

Family

ID=6327200

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801160A SE8801160L (en) 1987-05-09 1988-03-29 PROCEDURE FOR STABILIZATION OF A PAPER PATH AND A PAPER MACHINE FOR IMPLEMENTATION OF THE PROCEDURE

Country Status (3)

Country Link
DE (1) DE3715551A1 (en)
FI (1) FI882156A (en)
SE (1) SE8801160L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237309A1 (en) * 1992-11-05 1993-04-08 Voith Gmbh J M
US5549793A (en) * 1994-08-02 1996-08-27 Abb Industrial Systems, Inc. Control of dilution lines in a dilution headbox of a paper making machine
DE19843729A1 (en) 1998-09-24 2000-03-30 Voith Sulzer Papiertech Patent Control of the lateral shrinkage profile of a running paper or cardboard web uses on-line mapping to set the composition of the fiber suspension flows by sections at the stock inlet across the machine width
US6294051B1 (en) 1999-04-13 2001-09-25 Kimberly-Clark Worldwide, Inc. Method for improving the edge strength of a fibrous mat
DE10008462A1 (en) * 2000-02-23 2001-08-30 Voith Paper Patent Gmbh Paper web transfer strips are formed at the edges of the web with a stronger pulp than used for the body of the web to thread the web through the stations after a stoppage and then be separated for return to the pulper
DE10056138A1 (en) * 2000-11-13 2002-05-23 Voith Paper Patent Gmbh Press section for the extraction of water from a wet web, or paper or tissue or cardboard, sets the dry content at a raised level at the edges in and/or before the press section to increase the web stability
DE10117236A1 (en) * 2001-04-06 2002-10-17 Voith Paper Patent Gmbh Paper making process uses never-dried-pulp with additive introduced by chemical precipitation
AT505931B8 (en) * 2007-11-19 2009-06-15 Andritz Ag Maschf SHEETING METHOD AND WET PARTY FOR PRODUCING A FIBROUS WEB
FI121888B (en) 2008-08-12 2011-05-31 Metso Paper Inc Procedure for optimizing the fiber web properties
FI122113B (en) 2010-02-03 2011-08-31 Metso Paper Inc A method and a headbox for improving the transverse property profile of a fibrous web
DE102011082919A1 (en) 2011-09-19 2013-03-21 Voith Patent Gmbh Covering for use in transportation of e.g. cardboard in fibrous web manufacturing machine, has open regions and longitudinal strip regions that are formed such that air flow rates of open and longitudinal strip regions are different

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI72550C (en) * 1985-12-31 1987-06-08 Valmet Oy FOERFARANDE OCH ANORDNING I EN PAPPERSMASKIN SAMT EN MED FOERFARANDET FRAMSTAELLD PAPPERSBANA.

Also Published As

Publication number Publication date
SE8801160D0 (en) 1988-03-29
FI882156A0 (en) 1988-05-09
FI882156A (en) 1988-11-10
DE3715551A1 (en) 1988-12-01

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Legal Events

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NAV Patent application has lapsed

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Effective date: 19911027