FR2592487B1 - Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication. - Google Patents

Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication.

Info

Publication number: FR2592487B1
Authority: FR; France
Prior art keywords: prime; tear; manufacture; detecting; sheet during
Prior art date: 1985-12-31
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.): Expired

Application number

FR8519569A

Other languages

English (en)

Other versions

FR2592487A1 (fr

Inventor

Jacques Sabater

Serge Bauduin

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.)

CENTRE TECH IND PAPIER

Original Assignee

CENTRE TECH IND PAPIER

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.)

1985-12-31

Filing date

1985-12-31

Publication date

1988-03-11

1985-12-31 Application filed by CENTRE TECH IND PAPIER filed Critical CENTRE TECH IND PAPIER

1985-12-31 Priority to FR8519569A priority Critical patent/FR2592487B1/fr

1986-12-23 Priority to EP87900172A priority patent/EP0252109A1/fr

1986-12-23 Priority to PCT/FR1986/000442 priority patent/WO1987004248A1/fr

1986-12-23 Priority to US07/075,747 priority patent/US4788442A/en

1986-12-23 Priority to JP62500406A priority patent/JPS63502613A/ja

1987-07-03 Publication of FR2592487A1 publication Critical patent/FR2592487A1/fr

1987-08-28 Priority to FI873750A priority patent/FI873750L/fi

1988-03-11 Application granted granted Critical

1988-03-11 Publication of FR2592487B1 publication Critical patent/FR2592487B1/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details

Landscapes

General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Textile Engineering (AREA)
Analytical Chemistry (AREA)
Engineering & Computer Science (AREA)
Biochemistry (AREA)
Immunology (AREA)
Pathology (AREA)
Length Measuring Devices By Optical Means (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Paper (AREA)
Geophysics And Detection Of Objects (AREA)

FR8519569A 1985-12-31 1985-12-31 Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication. Expired FR2592487B1 (fr)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
FR8519569A FR2592487B1 (fr)	1985-12-31	1985-12-31	Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication.
EP87900172A EP0252109A1 (fr)	1985-12-31	1986-12-23	Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication
PCT/FR1986/000442 WO1987004248A1 (fr)	1985-12-31	1986-12-23	Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication
US07/075,747 US4788442A (en)	1985-12-31	1986-12-23	Device for detecting incipient tears on a sheet during manufacture
JP62500406A JPS63502613A (ja)	1985-12-31	1986-12-23	製造中の連続紙の縁裂け目を検知する装置
FI873750A FI873750L (fi)	1985-12-31	1987-08-28	Anordning foer detektering av en begynnande uppvisningsansats i ett ark under framstaellning av arket.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8519569A FR2592487B1 (fr)	1985-12-31	1985-12-31	Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication.

Publications (2)

Publication Number	Publication Date
FR2592487A1 FR2592487A1 (fr)	1987-07-03
FR2592487B1 true FR2592487B1 (fr)	1988-03-11

Family

ID=9326427

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8519569A Expired FR2592487B1 (fr)	1985-12-31	1985-12-31	Dispositif pour detecter une amorce de dechirure sur une feuille lors de sa fabrication.

Country Status (6)

Country	Link
US (1)	US4788442A (fr)
EP (1)	EP0252109A1 (fr)
JP (1)	JPS63502613A (fr)
FI (1)	FI873750L (fr)
FR (1)	FR2592487B1 (fr)
WO (1)	WO1987004248A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI88828C (fi) *	1991-02-06	1993-07-12	Valmet Paper Machinery Inc	Foerfarande och anordning vid fotoelektrisk identifiering av en materialbana
US5389789A (en) *	1992-05-20	1995-02-14	Union Camp Corporation	Portable edge crack detector for detecting size and shape of a crack and a portable edge detector
DE19510753A1 (de) *	1995-03-24	1996-09-26	Will E C H Gmbh & Co	Vorrichtung zum Messen von Papierbögen
US5994712A (en) *	1997-07-29	1999-11-30	Mack; John Edward	Belt flaw detector
US6219136B1 (en)	1998-03-03	2001-04-17	Union Underwear Company, Inc.	Digital signal processor knitting scanner
JP3524888B2 (ja)	2001-05-30	2004-05-10	三菱重工業株式会社	監視装置
TWM330197U (en) *	2007-05-08	2008-04-11	Tsc Auto Id Technology Co Ltd	Sheet sensor for tab printer
EP2186624B1 (fr) *	2008-11-18	2015-08-26	Tetra Laval Holdings & Finance S.A.	Appareil et procédé de détection de la position d'application d'une bande d'étanchéité sur une bande de matériau d'emballage pour produits alimentaires

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1573497A1 (de) *	1965-11-23	1970-03-05	Feldmuehle Ag	Vorrichtung zur Pruefung und Sortierung von bahn- oder blattfoermigen Erzeugnissen
GB1320898A (en) *	1969-07-07	1973-06-20	British Steel Corp	Strip measuring unit and split edge detector
US3710129A (en) *	1971-02-16	1973-01-09	H Gibson	Methods of and apparatus for detecting minute holes in objects
US3840302A (en) *	1971-06-01	1974-10-08	D Brunton	Oscilloscope presentation of sheet profile from a scanning gage
US3783296A (en) *	1972-04-14	1974-01-01	Deering Milliken Res Corp	Method and apparatus for detecting flaws in a fabric web
US3835332A (en) *	1973-06-04	1974-09-10	Eastman Kodak Co	Inspection apparatus for detecting defects in a web
DE3341539A1 (de) *	1983-11-17	1985-05-30	Focke & Co, 2810 Verden	Einrichtung zur ueberwachung und steuerung von bahnen in verpackungsmaschinen

1985
- 1985-12-31 FR FR8519569A patent/FR2592487B1/fr not_active Expired
1986
- 1986-12-23 JP JP62500406A patent/JPS63502613A/ja active Pending
- 1986-12-23 US US07/075,747 patent/US4788442A/en not_active Expired - Fee Related
- 1986-12-23 EP EP87900172A patent/EP0252109A1/fr not_active Ceased
- 1986-12-23 WO PCT/FR1986/000442 patent/WO1987004248A1/fr not_active Application Discontinuation
1987
- 1987-08-28 FI FI873750A patent/FI873750L/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
US4788442A (en)	1988-11-29
FI873750A0 (fi)	1987-08-28
EP0252109A1 (fr)	1988-01-13
FI873750L (fi)	1987-08-28
WO1987004248A1 (fr)	1987-07-16
JPS63502613A (ja)	1988-09-29
FR2592487A1 (fr)	1987-07-03

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Legal Events

Date	Code	Title	Description
1991-09-06	CL	Concession to grant licences
2000-10-13	ST	Notification of lapse