EP1270475A3 - Monitoring of a fibrous web - Google Patents

Monitoring of a fibrous web Download PDF

Info

Publication number
EP1270475A3
EP1270475A3 EP02011402A EP02011402A EP1270475A3 EP 1270475 A3 EP1270475 A3 EP 1270475A3 EP 02011402 A EP02011402 A EP 02011402A EP 02011402 A EP02011402 A EP 02011402A EP 1270475 A3 EP1270475 A3 EP 1270475A3
Authority
EP
European Patent Office
Prior art keywords
monitoring
fibrous web
fibrous
web
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
EP02011402A
Other languages
German (de)
French (fr)
Other versions
EP1270475A2 (en
EP1270475B1 (en
Inventor
Wolfram Dick
Roland Mayer
Holger Prüssing
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1270475A2 publication Critical patent/EP1270475A2/en
Publication of EP1270475A3 publication Critical patent/EP1270475A3/en
Application granted granted Critical
Publication of EP1270475B1 publication Critical patent/EP1270475B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/06—Advancing webs by friction band
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/04—Paper-break control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/40—Temperature; Thermal conductivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines
EP02011402A 2001-06-28 2002-05-24 Monitoring of a fibrous web Expired - Lifetime EP1270475B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10131281 2001-06-28
DE10131281A DE10131281A1 (en) 2001-06-28 2001-06-28 Web Inspection

Publications (3)

Publication Number Publication Date
EP1270475A2 EP1270475A2 (en) 2003-01-02
EP1270475A3 true EP1270475A3 (en) 2004-04-28
EP1270475B1 EP1270475B1 (en) 2006-05-03

Family

ID=7689834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011402A Expired - Lifetime EP1270475B1 (en) 2001-06-28 2002-05-24 Monitoring of a fibrous web

Country Status (4)

Country Link
US (1) US6706149B2 (en)
EP (1) EP1270475B1 (en)
CA (1) CA2392067A1 (en)
DE (2) DE10131281A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260464A1 (en) * 2002-12-21 2004-07-01 Voith Paper Patent Gmbh Method and device for operating a machine for producing and / or finishing a material web
DE102004046795A1 (en) 2004-09-27 2006-04-06 Voith Paper Patent Gmbh Device and method for monitoring the transfer of a material web and especially the broadening of the width of a transfer strip on a demolition of the transfer strip or the material web
DE102005054825A1 (en) * 2005-11-15 2007-05-24 Voith Patent Gmbh Method for determining paper strength
US7938935B2 (en) * 2007-10-11 2011-05-10 Honeywell Asca Inc. Infrared measurement of paper machine clothing condition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126601A1 (en) * 1991-08-12 1993-02-18 Fotoelektrik Pauly Gmbh Paper material detector - comprises opto-electrical system with control to maintain constant difference signal from subtraction unit for reliable operation even when soiled
US5386117A (en) * 1993-06-07 1995-01-31 Computational Systems Incorporated Infrared thermography system including mobile unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016622A (en) * 1957-07-10 1962-01-16 Kimberly Clark Co Control system for paper machine driers
US5190201A (en) * 1991-01-16 1993-03-02 Quad/Tech, Inc. Method and apparatus for detecting the presence of a web within a web dryer
DE4105559C1 (en) * 1991-02-22 1992-09-17 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE19630446A1 (en) * 1996-07-27 1998-01-29 Voith Sulzer Papiermasch Gmbh Humidifier
US5942689A (en) * 1997-10-03 1999-08-24 General Electric Company System and method for predicting a web break in a paper machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126601A1 (en) * 1991-08-12 1993-02-18 Fotoelektrik Pauly Gmbh Paper material detector - comprises opto-electrical system with control to maintain constant difference signal from subtraction unit for reliable operation even when soiled
US5386117A (en) * 1993-06-07 1995-01-31 Computational Systems Incorporated Infrared thermography system including mobile unit
US5386117B1 (en) * 1993-06-07 1997-06-10 Computational Systems Inc Infrared thermography system including mobile unit

Also Published As

Publication number Publication date
CA2392067A1 (en) 2002-12-28
EP1270475A2 (en) 2003-01-02
EP1270475B1 (en) 2006-05-03
US6706149B2 (en) 2004-03-16
DE50206628D1 (en) 2006-06-08
US20030000671A1 (en) 2003-01-02
DE10131281A1 (en) 2003-01-09

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