ES2042981T3 - Un metodo y un aparato para inspeccionar el borde curvado de una tapa. - Google Patents

Un metodo y un aparato para inspeccionar el borde curvado de una tapa.

Info

Publication number
ES2042981T3
ES2042981T3 ES89202911T ES89202911T ES2042981T3 ES 2042981 T3 ES2042981 T3 ES 2042981T3 ES 89202911 T ES89202911 T ES 89202911T ES 89202911 T ES89202911 T ES 89202911T ES 2042981 T3 ES2042981 T3 ES 2042981T3
Authority
ES
Spain
Prior art keywords
edge
curved edge
previously
inspection
shadow
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
ES89202911T
Other languages
English (en)
Inventor
Nicolaas Cornelis Swart
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.)
Heuft Qualiplus BV
Original Assignee
Heuft Qualiplus BV
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 Heuft Qualiplus BV filed Critical Heuft Qualiplus BV
Application granted granted Critical
Publication of ES2042981T3 publication Critical patent/ES2042981T3/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
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels
    • 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
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/10—Scanning
    • G01N2201/102—Video camera

Landscapes

  • 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

LA INVENCION TIENE POR OBJETO PROPORCIONAR UN METODO Y UNA PARATO PARA LA INSPECCION DEL BORDE CURVADO DE UN OBJETO EN FORMA DE DISCO, POR EJEMPLO EL BORDE ANULAR DE UNA TAPA METALICA, QUE LIMITA CON UNA COMPOSICION OBTURADORA PARA EL COMPUESTO DE CIERRE ESTANCO. CON OBJETO DE LLEVAR A CABO TAL INSPECCION CON GRAN FIABILIDAD CONFORME A LA INVENCION, EL PROPOSITO SE LLEVA A CABO CUANTO SEA POSIBLE MEDIANTE LAS SIGUIENTES FASES: (2) DIRIGIENDO UN RAYO DE LUZ SOBRE LA PARTE DEL BORDE DEL OBJETO BAJO UN ANGULO DE INCIDENCIA TAL QUE EL BORDE CURVADO DE UNA SOMBRA EN LACITADA ZONADEL BORDE; (3) DETERMINANDO PREVIAMENTE LA FORMA DEL CUADRO DE REFLEXION TAMBIEN DETERMINADO POR LA CITADA SOMBRA DE LA CITADA ZONA DEL BORDE ILUMINADO, EN EL CASO DE UN OBJETO QUE SATISFAGA A UN ESTANDAR PREVIAMENTE DETERMINADO; (4) DETERMINANDO EL CUADRO DE REFLEXION DE LA ZONA DEL BORDE DE UN OBJETO QUE SE VA A INSPECCIONAR; Y (5) COMPARANDO LOS RESULTADOS DE LAS FASES (4) Y (3), Y GENERANDO UNA SEÑAL DE RECHAZO EN ELCASO DE UNA DESVIACION DETECTADA QUE SE SITUE FUERA DE UNA GAMA DE TOLERANCIA PREVIAMENTE SELECCIONADA.
ES89202911T 1988-11-21 1989-11-16 Un metodo y un aparato para inspeccionar el borde curvado de una tapa. Expired - Lifetime ES2042981T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802869 1988-11-21

Publications (1)

Publication Number Publication Date
ES2042981T3 true ES2042981T3 (es) 1993-12-16

Family

ID=19853262

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89202911T Expired - Lifetime ES2042981T3 (es) 1988-11-21 1989-11-16 Un metodo y un aparato para inspeccionar el borde curvado de una tapa.

Country Status (8)

Country Link
US (1) US5004347A (es)
EP (1) EP0370570B1 (es)
JP (1) JP2839594B2 (es)
AU (1) AU627796B2 (es)
CA (1) CA2003335A1 (es)
DE (1) DE68908351T2 (es)
DK (1) DK585189A (es)
ES (1) ES2042981T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994024675A1 (en) * 1993-04-12 1994-10-27 Combustion Engineering, Inc. Visual inspection tool
DE102007018870A1 (de) 2007-04-19 2008-10-23 Krones Ag Inspektionsvorrichtung zum Untersuchen von Behältnisverschlüssen
CN107889522B (zh) 2015-08-26 2020-08-28 Abb瑞士股份有限公司 对象多视角检测设备及其方法
CN110238082B (zh) * 2019-06-26 2021-06-04 东莞理工学院 一种3c产品外壳检测筛分设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037724A (en) * 1975-05-20 1977-07-26 Firma Up Geratebau-Und Vertriebs Gmbh Method of and apparatus for measuring defects in sealings
JPS576306A (en) * 1980-06-13 1982-01-13 Toyota Central Res & Dev Lab Inc Method and apparatus for inspection of edge boundary part of circular member
JPS577505A (en) * 1980-06-16 1982-01-14 Meiji Seika Kaisha Ltd Detecting method for excess and deficient turn-tightening of cap and device thereof
AU553069B2 (en) * 1981-07-17 1986-07-03 W.R. Grace & Co.-Conn. Radial scan, pulsed light article inspection ccv system 0
JPH0756446B2 (ja) * 1985-02-22 1995-06-14 株式会社日立製作所 棒状突起物体の検査方法
JPS61195458U (es) * 1985-05-29 1986-12-05
JPS6219738A (ja) * 1985-07-19 1987-01-28 Tokan Kogyo Co Ltd 使い捨てコツプのカ−ル部不良検査装置
US4868404A (en) * 1987-04-23 1989-09-19 Hajime Industries, Ltd. Surface inspection apparatus using a mask system to monitor uneven surfaces

Also Published As

Publication number Publication date
DE68908351T2 (de) 1993-12-02
CA2003335A1 (en) 1990-05-21
DE68908351D1 (de) 1993-09-16
AU627796B2 (en) 1992-09-03
AU4539889A (en) 1990-05-24
JPH02183106A (ja) 1990-07-17
EP0370570A1 (en) 1990-05-30
DK585189A (da) 1990-05-22
JP2839594B2 (ja) 1998-12-16
US5004347A (en) 1991-04-02
EP0370570B1 (en) 1993-08-11
DK585189D0 (da) 1989-11-21

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