FI990385A - Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof - Google Patents
Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof Download PDFInfo
- Publication number
- FI990385A FI990385A FI990385A FI990385A FI990385A FI 990385 A FI990385 A FI 990385A FI 990385 A FI990385 A FI 990385A FI 990385 A FI990385 A FI 990385A FI 990385 A FI990385 A FI 990385A
- Authority
- FI
- Finland
- Prior art keywords
- determining
- change
- linear shrinkage
- board web
- moving paper
- Prior art date
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)
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 |
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 |
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 |
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 FI990385A0 (en) | 1999-02-23 |
FI990385A true 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)
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)
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 |
-
1999
- 1999-02-23 FI FI990385A patent/FI990385A/en not_active Application Discontinuation
-
2000
- 2000-02-22 WO PCT/FI2000/000141 patent/WO2000050865A1/en active Application Filing
- 2000-02-22 AU AU28086/00A patent/AU2808600A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2000050865A1 (en) | 2000-08-31 |
FI990385A0 (en) | 1999-02-23 |
AU2808600A (en) | 2000-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI20002838A0 (en) | Method and apparatus for adjusting the moisture profile of a moving paper web | |
AU5042399A (en) | Method and apparatus for optically measuring properties of moving web | |
FI990557A0 (en) | Method and arrangement for handling paper and board webs | |
FI20012351A (en) | Method and apparatus for forming a paper web | |
FI20000282A (en) | Method and apparatus for measuring coating | |
FI991072A0 (en) | Method and Measurement Arrangement to Measure Paper Surface | |
FI20000497A (en) | Method and arrangement for handling a wide web of paper or board | |
FI990385A (en) | Method and apparatus for determining a non-linear shrinkage profile of a moving paper or board web or change thereof | |
FI980445A (en) | Method and apparatus for measuring paper thickness | |
FI20020732A (en) | Method and apparatus for measuring the amount of coating on a paper web | |
FI981517A0 (en) | Method and apparatus for measuring the tension of a moving web | |
FI981657A0 (en) | A method and apparatus for changing the characteristic frequency of a nip roll structure of a paper or board machine | |
FI991348A0 (en) | Method and apparatus for measuring the properties of a paper web | |
FI20012311A (en) | Method and apparatus for determining the properties of a moving paper web | |
FI981058A (en) | Method and apparatus for measuring paper web | |
FI20011046A0 (en) | Method and apparatus for determining plane deviations of a paper or board web | |
FI20000283A (en) | Method and apparatus for measuring paper web temperature | |
FI98943C (en) | A method of improving the properties of paper or board | |
FI20000939A0 (en) | Method and apparatus for forming a web | |
FI980443A (en) | A device for measuring the properties of a moving paper or board web | |
FI981772A0 (en) | A method and apparatus for drying a paper web or the like | |
FI20010342A0 (en) | Measurement method and apparatus for making paper or paperboard | |
FI20012327A (en) | Method for making a paper or board web and a device for making a paper or board web | |
FI20002314A0 (en) | Method and apparatus for determining the pile strength of paper or similar material | |
FI19992131A (en) | A method and apparatus for determining the optical surface properties of paper by a laser optical sensor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |