FI990385A0 - Method and apparatus for determining a non-linear shrinkage profile or a change thereof in a moving paper or cardboard web - Google Patents

Method and apparatus for determining a non-linear shrinkage profile or a change thereof in a moving paper or cardboard web

Info

Publication number
FI990385A0
FI990385A0 FI990385A FI990385A FI990385A0 FI 990385 A0 FI990385 A0 FI 990385A0 FI 990385 A FI990385 A FI 990385A FI 990385 A FI990385 A FI 990385A FI 990385 A0 FI990385 A0 FI 990385A0
Authority
FI
Finland
Prior art keywords
determining
change
linear shrinkage
cardboard web
moving paper
Prior art date
Application number
FI990385A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI990385A (en
Inventor
Juha Kniivilae
Jorma O Virtanen
Original Assignee
Valmet Automation 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 Automation Inc filed Critical Valmet Automation Inc
Priority to FI990385A priority Critical patent/FI990385A/en
Publication of FI990385A0 publication Critical patent/FI990385A0/en
Priority to PCT/FI2000/000141 priority patent/WO2000050865A1/en
Priority to AU28086/00A priority patent/AU2808600A/en
Publication of FI990385A publication Critical patent/FI990385A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0027—Paper-making control systems controlling the forming section
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/045—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands for measuring the tension across the width of a band-shaped flexible member
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
FI990385A 1999-02-23 1999-02-23 Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof FI990385A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI990385A FI990385A (en) 1999-02-23 1999-02-23 Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof
PCT/FI2000/000141 WO2000050865A1 (en) 1999-02-23 2000-02-22 Method and apparatus for determining non-linear shrinkage on the basis of the tension profile
AU28086/00A AU2808600A (en) 1999-02-23 2000-02-22 Method and apparatus for determining non-linear shrinkage on the basis of the tension profile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI990385A FI990385A (en) 1999-02-23 1999-02-23 Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof

Publications (2)

Publication Number Publication Date
FI990385A0 true FI990385A0 (en) 1999-02-23
FI990385A FI990385A (en) 2000-08-24

Family

ID=8553910

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990385A FI990385A (en) 1999-02-23 1999-02-23 Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof

Country Status (3)

Country Link
AU (1) AU2808600A (en)
FI (1) FI990385A (en)
WO (1) WO2000050865A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI111193B (en) * 2001-12-19 2003-06-13 Metso Paper Automation Oy Method and apparatus for measuring tension of a moving web

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU725024A1 (en) * 1977-11-28 1980-03-30 Поронайский Целлюлозно-Бумажный Завод Method of automatic monitoring of paper web tension
US5400258A (en) * 1993-09-03 1995-03-21 Measurex Corporation Automatic cross-directional control zone alignment for sheetmaking systems
FI94066C (en) * 1994-05-16 1995-07-10 Valmet Paper Machinery Inc Comprehensive management system for the various cross-section profiles of a paper web produced on a web material making machine such as a board or paper machine and / or a finishing machine
US5898589A (en) * 1997-11-17 1999-04-27 Valmet Automation Inc. Method and equipment for defining cross-directional properties of sheet in continuous sheet making process

Also Published As

Publication number Publication date
AU2808600A (en) 2000-09-14
WO2000050865A1 (en) 2000-08-31
FI990385A (en) 2000-08-24

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Legal Events

Date Code Title Description
FD Application lapsed