ES2167471T3 - Dispositivo para la deteccion de defectos en tablas transparentes de plastico. - Google Patents

Dispositivo para la deteccion de defectos en tablas transparentes de plastico.

Info

Publication number
ES2167471T3
ES2167471T3 ES96101634T ES96101634T ES2167471T3 ES 2167471 T3 ES2167471 T3 ES 2167471T3 ES 96101634 T ES96101634 T ES 96101634T ES 96101634 T ES96101634 T ES 96101634T ES 2167471 T3 ES2167471 T3 ES 2167471T3
Authority
ES
Spain
Prior art keywords
light
foil
detection
defects
transparent plastic
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
ES96101634T
Other languages
English (en)
Inventor
Wolfgang Arnold
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Application granted granted Critical
Publication of ES2167471T3 publication Critical patent/ES2167471T3/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
    • G01N21/8901—Optical details; Scanning details
    • 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
    • G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1765—Method using an image detector and processing of image signal
    • G01N2021/177—Detector of the video camera type
    • G01N2021/1772—Array detector
    • G01N2021/1774—Line array detector
    • 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
    • G01N2021/8822—Dark field detection

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Cable Accessories (AREA)
  • Testing Relating To Insulation (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO PARA PRUEBA DE CALIDAD OPTICA DE PRODUCTOS SEMIACABADOS DE PLASTICOS TRANSPARENTES (FIG. 1,6), COMPUESTO DE UN EQUIPO (1) DE ILUMINACION Y UNA CAMARA (8) CCD, ENTRE LOS QUE SE DISPONE DEL PRODUCTO (6) SEMIACABADO DE PLASTICO, CON AL MISMO TIEMPO LUGARES DE FALLO DE DERIVACION DE LUZ Y ABSORBEDORES DE LUZ AL MISMO TIEMPO LOCALIZADOS EN EL PRODUCTO SEMIACABADO, CON CAPACIDAD DE SER REGISTRADO EN CUANTO A SU TAMAÑO Y TIPO, DE FORMA QUE EL EQUIPO (1) DE ILUMINACION MUESTRA SOBRE LA CARA DIRIGIDA AL PRODUCTO (6) SEMIACABADO DE PLASTICO A SER COMPROBADO UN DISCO (2) DE CONTROL, SOBRE EL QUE SE APLICA UNA TIRA (4) A BASE DE UN MATERIAL QUE SUPERVISA LA INTENSIDAD DEL LUZ DEL EQUIPO (1) DE ILUMINACION, DONDE LA TIRA (4) CUBRE DE FORMA COMPLETA EL CAMPO DE OBSERVACION DE LOS SENSORES DE LINEA DE LA CAMARA (8) CCD.
ES96101634T 1995-02-15 1996-02-06 Dispositivo para la deteccion de defectos en tablas transparentes de plastico. Expired - Lifetime ES2167471T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29502456U DE29502456U1 (de) 1995-02-15 1995-02-15 Vorrichtung zur Fehlerkennung an transparenten Kunststofftafeln

Publications (1)

Publication Number Publication Date
ES2167471T3 true ES2167471T3 (es) 2002-05-16

Family

ID=8003925

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96101634T Expired - Lifetime ES2167471T3 (es) 1995-02-15 1996-02-06 Dispositivo para la deteccion de defectos en tablas transparentes de plastico.

Country Status (5)

Country Link
EP (1) EP0729025B1 (es)
AT (1) ATE210289T1 (es)
DE (2) DE29502456U1 (es)
DK (1) DK0729025T3 (es)
ES (1) ES2167471T3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19817824A1 (de) * 1998-04-21 1999-10-28 Focke & Co Vorrichtung zum Prüfen von Einheiten aus mehreren Einzelgegenständen, Materiallagen oder dergleichen
FR2784767B1 (fr) * 1998-10-15 2001-01-26 Essilor Int Lecteur de symbole pour le releve d'un quelconque symbole sur un quelconque objet
US6532064B1 (en) * 2001-10-16 2003-03-11 Baader-Canpolar Inc. Automatic inspection apparatus and method for simultaneous detection of anomalies in a 3-dimensional translucent object
DE102012025158A1 (de) * 2012-12-21 2014-06-26 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zur automatischen Prüfung von flächigem Folienmaterial
CN104007121B (zh) * 2014-04-02 2016-02-24 福耀集团长春有限公司 用于玻璃加热线检测线上的断线检测装置
CN105628711B (zh) * 2015-12-25 2019-01-29 长飞光纤光缆股份有限公司 一种彩条套管在线检测方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256233A (es) * 1959-09-28
US3286567A (en) * 1964-03-09 1966-11-22 Eastman Kodak Co Transmitted light streak scanner
NL7711138A (nl) * 1976-11-01 1978-05-03 Ici Ltd Detectie van discontinuiteiten in bewegende banen van plastic materiaal.
DE2653330B2 (de) * 1976-11-24 1979-11-29 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen Einrichtung zum Prüfen von Halbzeug auf Fehler
FR2396287A1 (fr) * 1977-07-01 1979-01-26 Agfa Gevaert Dispositif et procede pour detecter les irregularites dans une feuille en mouvement
DE4031633A1 (de) * 1990-10-05 1992-04-16 Sick Optik Elektronik Erwin Optische inspektionsvorrichtung
DE9104596U1 (de) * 1991-04-16 1991-07-04 Röhm GmbH, 6100 Darmstadt Vorrichtung zur Qualitätskontrolle von transparenten Kunststoffen

Also Published As

Publication number Publication date
EP0729025A1 (de) 1996-08-28
DE29502456U1 (de) 1995-03-30
EP0729025B1 (de) 2001-12-05
DK0729025T3 (da) 2002-03-04
ATE210289T1 (de) 2001-12-15
DE59608332D1 (de) 2002-01-17

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