BR9902830A - Dispositivo de detecção dos defeitos superficiais de cintas metálicas em passagem - Google Patents

Dispositivo de detecção dos defeitos superficiais de cintas metálicas em passagem

Info

Publication number
BR9902830A
BR9902830A BR9902830-1A BR9902830A BR9902830A BR 9902830 A BR9902830 A BR 9902830A BR 9902830 A BR9902830 A BR 9902830A BR 9902830 A BR9902830 A BR 9902830A
Authority
BR
Brazil
Prior art keywords
passing
surface defects
detecting surface
zone
objects
Prior art date
Application number
BR9902830-1A
Other languages
English (en)
Inventor
Patrick Vanhee
Original Assignee
Lorraine Laminage
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 Lorraine Laminage filed Critical Lorraine Laminage
Publication of BR9902830A publication Critical patent/BR9902830A/pt

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

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)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)

Abstract

Patente de Invenção:<B>"DISPOSITIVO DE DETECçãO DOS DEFEITOS SUPERFICIAIS DE CINTAS METáLICAS EM PASSAGEM"<D>. A invenção refere-se a um dispositivo de detecção dos efeitos superficiais de cintas metálicas (1) em passagem, caracterizado pelo fato de comportar meios (2) para iluminar a zona (3) de cinta (1) a inspecionar, pelo menos um par de câmeras (4, 5) que captam, cada uma, periodicamente, uma imagem da mesma parte (6) dessa zona (3), uma unidade de cálculo (7) que comporta meios para reconstituir uma imagem estereoscópica dessa parte (6) a partir das imagens fornecidas pelo par de câmeras (4, 5), meios para detectar sobre essa imagem estereoscópica os objetos que apresentam um relevo em bossa ou em cavalo em relação à superfície de cinta (1)superior a um limite predeterminado, meios para analisar as imagens desses objetos, e meios (10) para restituir ao operador o resultado dessa análise.
BR9902830-1A 1998-07-21 1999-07-20 Dispositivo de detecção dos defeitos superficiais de cintas metálicas em passagem BR9902830A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9809272A FR2781570B1 (fr) 1998-07-21 1998-07-21 Dispositif de detection des defauts superficiels de bandes metalliques en defilement

Publications (1)

Publication Number Publication Date
BR9902830A true BR9902830A (pt) 2000-03-28

Family

ID=9528826

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9902830-1A BR9902830A (pt) 1998-07-21 1999-07-20 Dispositivo de detecção dos defeitos superficiais de cintas metálicas em passagem

Country Status (6)

Country Link
US (1) US6232617B1 (pt)
EP (1) EP0974833A1 (pt)
JP (1) JP2000046752A (pt)
BR (1) BR9902830A (pt)
CA (1) CA2277935A1 (pt)
FR (1) FR2781570B1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19930173A1 (de) * 1999-06-30 2001-01-04 Parsytec Comp Gmbh Verfahren und Vorrichtung zur prozeßoptimierenden Einstellung von Parametern eines Produktionsprozesses
US6948347B2 (en) * 2003-01-24 2005-09-27 Isg Technologies Inc. Graphical rolled steel sheet flatness display and method of using same
JP4174582B2 (ja) * 2004-03-29 2008-11-05 ジヤトコ株式会社 金属表面の検査装置
DE102005023270A1 (de) * 2005-05-20 2006-11-23 Sms Demag Ag Verfahren und Vorrichtung zur Herstellung eines Metallbandes
FR2887028B1 (fr) 2005-06-14 2007-12-21 Vai Sias Soc Par Actions Simpl Procede et dispositif optiques de detection de defauts de surface et de structure d'un produit long en defilememnt
DE102006009482A1 (de) 2006-02-27 2007-09-06 Hauni Maschinenbau Ag Optische Kontrolle von Produkten der Tabak verarbeitenden Industrie
FR2915118B1 (fr) * 2007-04-18 2009-06-05 Siemens Vai Metals Tech Sas Procede de nettoyage de cylindre de laminoir et dispositif correspondant
WO2010006895A1 (de) * 2008-07-16 2010-01-21 Siemens Aktiengesellschaft Betriebsverfahren für eine ein metallband bearbeitende bearbeitungseinrichtung und anlage zum bearbeiten eines metallbandes
EP3304053B1 (en) 2015-06-02 2023-08-09 Sapotech OY Method and apparatus for determining features of hot surface
DE102016103070A1 (de) * 2016-02-22 2017-08-24 Texmag Gmbh Vertriebsgesellschaft Inspektions- und/oder Bahnbeobachtungsvorrichtung, Verwendung einer Anordnung als Hintergrundblende oder Durchlichtsender in der Inspektions- und/oder der Bahnbeobachtungsvorrichtung und Verfahren zum Betreiben der Inspektions- und/oder Bahnbeobachtungsvorrichtung
CN108254321B (zh) * 2018-01-18 2023-06-23 广东嘉元科技股份有限公司 一种铜箔表面色差修复的处理方法
CN109374638B (zh) * 2018-12-18 2022-01-18 深圳市鼎源检测技术有限公司 一种基于机器视觉的木地板表面检测装置及其检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204356A (ja) * 1982-05-24 1983-11-29 Kawasaki Steel Corp 金属物体表面探傷方法
JPS60179639A (ja) * 1984-02-28 1985-09-13 Kawasaki Steel Corp 熱間金属材料の表面欠陥検出方法
US5359454A (en) * 1992-08-18 1994-10-25 Applied Physics Research, L.P. Apparatus for providing autostereoscopic and dynamic images
IT1273968B (it) * 1995-02-24 1997-07-11 Finmeccanica Spa Apparecchiatura per il rilevamento ottico di difetti superficiali in particolare per nastri laminati
GB9614073D0 (en) * 1996-07-04 1996-09-04 Surface Inspection Ltd Visual inspection apparatus
EP0898163B1 (en) * 1997-08-22 2000-11-08 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Method and apparatus for automatic inspection of moving surfaces

Also Published As

Publication number Publication date
JP2000046752A (ja) 2000-02-18
EP0974833A1 (fr) 2000-01-26
CA2277935A1 (fr) 2000-01-21
US6232617B1 (en) 2001-05-15
FR2781570B1 (fr) 2000-08-25
FR2781570A1 (fr) 2000-01-28

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1910 DE 14/08/2007.