FI92940B - Method in a paper machine for controlling the transverse profile of the fibre orientation in the paper web and control arrangement for performing the method - Google Patents

Method in a paper machine for controlling the transverse profile of the fibre orientation in the paper web and control arrangement for performing the method

Info

Publication number
FI92940B
FI92940B FI932793A FI932793A FI92940B FI 92940 B FI92940 B FI 92940B FI 932793 A FI932793 A FI 932793A FI 932793 A FI932793 A FI 932793A FI 92940 B FI92940 B FI 92940B
Authority
FI
Finland
Prior art keywords
paper
profile
web
transverse
fibre orientation
Prior art date
Application number
FI932793A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI932793A0 (en
FI92940C (en
Inventor
Jyrki Jaakkola
Antti Poikolainen
Pasi Turpeinen
Original Assignee
Valmet Paper Machinery Inc
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 Valmet Paper Machinery Inc filed Critical Valmet Paper Machinery Inc
Priority to FI932793A priority Critical patent/FI92940C/en
Publication of FI932793A0 publication Critical patent/FI932793A0/en
Priority to FI942027A priority patent/FI103995B/en
Priority to DE69422855T priority patent/DE69422855T2/en
Priority to EP94850107A priority patent/EP0629740B1/en
Priority to AT94850107T priority patent/ATE189493T1/en
Priority to CA002126115A priority patent/CA2126115C/en
Priority to US08/262,138 priority patent/US5552021A/en
Publication of FI92940B publication Critical patent/FI92940B/en
Application granted granted Critical
Publication of FI92940C publication Critical patent/FI92940C/en

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  • Paper (AREA)

Abstract

The invention relates to a method for controlling the transverse fibre orientation profile of a paper web W in a paper machine. The water is removed from the paper web W in that it is pressed between two forming wires 11, 21, by utilising the drainage and/or forming strips 14, 24. In the method the transverse deflection of the web W by the drainage and/or forming strip or strips is controlled, thereby influencing the transverse retention profile of the web W. The retention profile is adjusted so that the control system 100 of the paper manufacturing process controls the profile on the discharge opening A of the head box 30 also at the edge areas, so that the width is essentially uniform, so that no essentially deviant transverse flow rate will be created in the fibre orientation profile. <IMAGE>
FI932793A 1993-06-17 1993-06-17 Method in a paper machine for controlling the transverse fiber orientation profile of a paper web and a control arrangement implementing the method FI92940C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI932793A FI92940C (en) 1993-06-17 1993-06-17 Method in a paper machine for controlling the transverse fiber orientation profile of a paper web and a control arrangement implementing the method
FI942027A FI103995B (en) 1993-06-17 1994-05-03 Method and apparatus and adjustment arrangement in a paper machine for controlling the transverse profile of a paper web
DE69422855T DE69422855T2 (en) 1993-06-17 1994-06-16 Method, device and control arrangement in a paper machine for controlling the transverse profile of a paper web
EP94850107A EP0629740B1 (en) 1993-06-17 1994-06-16 Method and device and arrangement of regulation in a paper machine in the control of the transverse profile of the paper web
AT94850107T ATE189493T1 (en) 1993-06-17 1994-06-16 METHOD, DEVICE AND CONTROL ARRANGEMENT IN A PAPER MACHINE FOR CONTROLLING THE TRANSVERSAL PROFILE OF A PAPER WEB
CA002126115A CA2126115C (en) 1993-06-17 1994-06-17 Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine
US08/262,138 US5552021A (en) 1993-06-17 1994-06-17 Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI932793 1993-06-17
FI932793A FI92940C (en) 1993-06-17 1993-06-17 Method in a paper machine for controlling the transverse fiber orientation profile of a paper web and a control arrangement implementing the method

Publications (3)

Publication Number Publication Date
FI932793A0 FI932793A0 (en) 1993-06-17
FI92940B true FI92940B (en) 1994-10-14
FI92940C FI92940C (en) 1995-01-25

Family

ID=8538157

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932793A FI92940C (en) 1993-06-17 1993-06-17 Method in a paper machine for controlling the transverse fiber orientation profile of a paper web and a control arrangement implementing the method

Country Status (1)

Country Link
FI (1) FI92940C (en)

Also Published As

Publication number Publication date
FI932793A0 (en) 1993-06-17
FI92940C (en) 1995-01-25

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