ES2092553T3 - Dispositivo de deteccion de defectos de una banda en proceso de deslizamiento. - Google Patents

Dispositivo de deteccion de defectos de una banda en proceso de deslizamiento.

Info

Publication number
ES2092553T3
ES2092553T3 ES91470041T ES91470041T ES2092553T3 ES 2092553 T3 ES2092553 T3 ES 2092553T3 ES 91470041 T ES91470041 T ES 91470041T ES 91470041 T ES91470041 T ES 91470041T ES 2092553 T3 ES2092553 T3 ES 2092553T3
Authority
ES
Spain
Prior art keywords
band
detection
defects
inspection
indication
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.)
Expired - Lifetime
Application number
ES91470041T
Other languages
English (en)
Inventor
Michel Carton
Jean-Pierre Viale
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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 Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Application granted granted Critical
Publication of ES2092553T3 publication Critical patent/ES2092553T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/894—Pinholes
    • 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
    • G01N21/8903—Optical details; Scanning details using a multiple detector array
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8841—Illumination and detection on two sides of object
    • 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
    • G01N2021/8909—Scan signal processing specially adapted for inspection of running sheets
    • G01N2021/891—Edge discrimination, e.g. by signal filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

DISPOSITIVO DE DETECCION DE DEFECTOS DE UNA TIRA EN CURSO DE DESLIZAMIENTO , CARACTERIZADO EN QUE COMPRENDE MEDIOS OPTICOS (25, 27) DE INSPECCION DE LA CARA INFERIOR Y MEDIOS OPTICOS (29, 31) DE INSPECCION DE LA CARA SUPERIOR DE LA TIRA, MEDIOS OPTICOS (33, 34) SEPARADOS DE DETECCION DE LOS BORDES DE LA TIRA, MEDIOS ELECTRONICOS (35, 36) DE INDICACION DE LOS DEFECTOS ASOCIADOS RESPECTIVAMENTE A LOS MEDIOS OPTICOS (25, 27, 29, 31) DE INSPECCION DE LAS CARAS INFERIOR Y SUPERIOR DE LA TIRA, MEDIOS ELECTRONICOS (37) DE INDICACION DE LA PRESENCIA DE AGUJEROS EN LA TIRA, ASOCIADOS A LOS MEDIOS OPTICOS DE DETECCION DE LOS BORDES DE LA TIRA Y MEDIOS (38) DE TRATAMIENTO DE LA INFORMACION PROPORCIONADA POR LOS MEDIOS ELECTRONICOS (35, 36, 37) DE INDICACION Y MEDIOS (42) DE VISUALIZACION DE LOS DEFECTOS DE LAS CARAS SUPERIOR E INFERIOR DE LA TIRA Y DE LOS AGUJEROS EN ESTA, ESTANDO CONECTADOS LOS MEDIOS DE VISUALIZACION A LOS MEDIOS DE TRATAMIENTO DE INFORMACION (38).
ES91470041T 1990-12-24 1991-12-19 Dispositivo de deteccion de defectos de una banda en proceso de deslizamiento. Expired - Lifetime ES2092553T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909016239A FR2670896B1 (fr) 1990-12-24 1990-12-24 Dispositif de detection de defauts d'une bande en cours de defilement.

Publications (1)

Publication Number Publication Date
ES2092553T3 true ES2092553T3 (es) 1996-12-01

Family

ID=9403638

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91470041T Expired - Lifetime ES2092553T3 (es) 1990-12-24 1991-12-19 Dispositivo de deteccion de defectos de una banda en proceso de deslizamiento.

Country Status (8)

Country Link
EP (1) EP0493291B1 (es)
JP (1) JP3119923B2 (es)
AT (1) ATE141686T1 (es)
DE (1) DE69121545T2 (es)
DK (1) DK0493291T3 (es)
ES (1) ES2092553T3 (es)
FR (1) FR2670896B1 (es)
GR (1) GR3021560T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2388631A1 (es) * 2010-04-27 2012-10-17 Gehitek Visión Artificial S.L. Sistema de señalización de defectos en vidrio plano aplicado a una línea de detección de defectos de visión artificial.

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2282444B (en) * 1993-09-29 1997-06-25 Circuit Foil Sa Visual inspection system
ES2146730T3 (es) * 1995-05-10 2000-08-16 Mahlo Gmbh & Co Kg Procedimiento y dispositivo para detectar defectos en telas o similares en movimiento.
DE19632988C1 (de) * 1996-08-15 1998-01-22 Stora Publication Paper Ag Verfahren zur Beseitigung von Papierfehlern bei der kontinuierlichen Papierherstellung
DE19800781A1 (de) * 1998-01-12 1999-07-15 Arcotec Oberflaechentech Gmbh Vorrichtung zur Bearbeitung von Materialbahnen
DE19805932A1 (de) * 1998-02-13 1999-08-19 Baehr Gmbh Bremen Ind Technik Verfahren und Vorrichtung zum Prüfen der Verklebung von Folienlagen mehrlagiger Folienbahnen
DE19919895A1 (de) * 1999-04-30 2000-11-02 Zentrum Fuer Neuroinformatik G Fehlererkennungssystem für bandförmiges Material, Beleuchtungs-, Steuer- und Aufnahmevorrichtung hierfür
KR100838722B1 (ko) * 2001-12-05 2008-06-16 주식회사 포스코 열간압연공정에서의 스트립표면 결함부 검색장치
KR100838724B1 (ko) * 2001-12-05 2008-06-16 주식회사 포스코 산세강판의 롤마크 표면결함 검출시스템
KR20030055572A (ko) * 2001-12-27 2003-07-04 주식회사 포스코 스트립의 표면결함 검출장치
US8593635B2 (en) 2008-10-01 2013-11-26 Hewlett-Packard Development Company, L.P. Camera web support
DE102011083405A1 (de) * 2010-12-21 2012-06-21 Sms Siemag Ag Verfahren und Vorrichtung zur Oberflächeninspektion von Bandstücken
KR101254898B1 (ko) * 2011-10-06 2013-04-15 대원강업주식회사 코일링기 재료 표면 흠 검사장치
JP6092093B2 (ja) * 2011-12-27 2017-03-08 東レ株式会社 微多孔プラスチックフィルムロールの製造装置及び製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448279A (en) * 1966-10-17 1969-06-03 Lindly & Co Inc Photoelectric defect detector having reflection test transmission test and edgewise test
US3843890A (en) * 1973-07-27 1974-10-22 Du Pont Optical-electrical web inspection system
FR2454236A1 (fr) * 1979-04-11 1980-11-07 Seita Procede et dispositif de traitement de signaux video
FR2559581B1 (fr) * 1984-02-10 1986-07-11 Siderurgie Fse Inst Rech Procede et installation de detection de defauts de surface sur une bande en cours de defilement
JPS61175552A (ja) * 1985-01-30 1986-08-07 Kanzaki Paper Mfg Co Ltd 欠陥シ−トの検出方法
JPS6293637A (ja) * 1985-10-21 1987-04-30 Hitachi Ltd 自動検反システム
JPS63249768A (ja) * 1987-04-03 1988-10-17 グンゼ株式会社 検反方法及びその装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2388631A1 (es) * 2010-04-27 2012-10-17 Gehitek Visión Artificial S.L. Sistema de señalización de defectos en vidrio plano aplicado a una línea de detección de defectos de visión artificial.

Also Published As

Publication number Publication date
FR2670896A1 (fr) 1992-06-26
JP3119923B2 (ja) 2000-12-25
EP0493291B1 (fr) 1996-08-21
EP0493291A1 (fr) 1992-07-01
JPH0682388A (ja) 1994-03-22
DK0493291T3 (es) 1997-02-10
FR2670896B1 (fr) 1994-08-12
DE69121545T2 (de) 1997-02-06
DE69121545D1 (de) 1996-09-26
GR3021560T3 (en) 1997-02-28
ATE141686T1 (de) 1996-09-15

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