FR2402868A1 - Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse - Google Patents

Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse

Info

Publication number
FR2402868A1
FR2402868A1 FR7727501A FR7727501A FR2402868A1 FR 2402868 A1 FR2402868 A1 FR 2402868A1 FR 7727501 A FR7727501 A FR 7727501A FR 7727501 A FR7727501 A FR 7727501A FR 2402868 A1 FR2402868 A1 FR 2402868A1
Authority
FR
France
Prior art keywords
tape
detection
high speed
speed traveling
traveling belt
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.)
Granted
Application number
FR7727501A
Other languages
English (en)
Other versions
FR2402868B1 (fr
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.)
USINOR SA
Original Assignee
USINOR SA
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 USINOR SA filed Critical USINOR SA
Priority to FR7727501A priority Critical patent/FR2402868A1/fr
Priority to JP11161978A priority patent/JPS5451582A/ja
Priority to US05/941,738 priority patent/US4253113A/en
Publication of FR2402868A1 publication Critical patent/FR2402868A1/fr
Application granted granted Critical
Publication of FR2402868B1 publication Critical patent/FR2402868B1/fr
Granted 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

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)

Abstract

Cet appareil comprend un dispositif d'éclairement 2 pour éclairer de façon permanente une zone dans laquelle défile la bande, une caméra de télévision 3 à forte sensibilité lumineuse et faible rémanence commandée pour être exposée pendant des périodes de temps constantes faibles devant la vitesse de défilement de la bande, avec une fréquence de récurrence sensiblement égale à la vitesse de la bande divisée par la longueur de ladite zone dans la direction de défilement de la bande de manière que lesdites images successives détectées constituent une représentation sensiblement continue de la bande, et un circuit électronique d'analyse des images captées par la caméra.
FR7727501A 1977-09-12 1977-09-12 Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse Granted FR2402868A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7727501A FR2402868A1 (fr) 1977-09-12 1977-09-12 Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse
JP11161978A JPS5451582A (en) 1977-09-12 1978-09-11 Method and device for detecting defects
US05/941,738 US4253113A (en) 1977-09-12 1978-09-12 Method and apparatus for detecting surface defects on a band travelling at high speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7727501A FR2402868A1 (fr) 1977-09-12 1977-09-12 Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse

Publications (2)

Publication Number Publication Date
FR2402868A1 true FR2402868A1 (fr) 1979-04-06
FR2402868B1 FR2402868B1 (fr) 1981-12-11

Family

ID=9195275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727501A Granted FR2402868A1 (fr) 1977-09-12 1977-09-12 Procede et appareil de detection de defauts de surface sur une bande defilant a grande vitesse

Country Status (3)

Country Link
US (1) US4253113A (fr)
JP (1) JPS5451582A (fr)
FR (1) FR2402868A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754058A1 (fr) * 1996-10-02 1998-04-03 Etat Francais Laboratoire Cent Procede de detection de defauts de surface sur une surface texturee

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402604A (en) * 1980-03-20 1983-09-06 Paul Nash Method for the on-line measurement of inclusions in pulp
CH656466A5 (de) * 1982-02-15 1986-06-30 Alusuisse Verfahren und vorrichtung zur oberflaechenkontrolle eines werkstoffes.
IL66788A (en) * 1982-09-14 1985-02-28 Optrotech Ltd Optical scanning apparatus using a wave guide
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
US4675730A (en) * 1985-09-06 1987-06-23 Aluminum Company Of America Video surface inspection system
FR2604048B1 (fr) * 1986-09-12 1989-06-09 Thomson Cgr Installation de radiologie a camera de television a element de prise de vues de faible remanence
US5243408A (en) * 1991-07-17 1993-09-07 P. H. Glatfelter Company Method and apparatus for detecting web discontinuities
IT1259645B (it) * 1992-04-10 1996-03-25 Solis Srl Metodo per la rivelazione della variazione di densita' di un tessuto e dispositivo per la sua attuazione
US7039228B1 (en) * 1999-11-19 2006-05-02 Rudolph Technologies, Inc. System and method for three-dimensional surface inspection
US20040107061A1 (en) * 2001-03-16 2004-06-03 Hannu Ruuska Electronic imaging and quality control method for a fast moving web
US6922649B2 (en) * 2003-11-25 2005-07-26 International Business Machines Corporation Multiple on-chip test runs and repairs for memories
BR112013015006B1 (pt) * 2010-12-23 2020-10-20 Pirelli Tyre S.P.A método e aparelho para controlar a produção e alimentação de produtos semiacabados em um processo de construção de pneu
CN109383054B (zh) * 2013-12-16 2021-03-19 倍耐力轮胎股份公司 在轮胎构建过程中控制半成品的制造和供给的方法和设备
CN113252564B (zh) * 2021-05-25 2023-02-10 上海御微半导体技术有限公司 一种运动台与探测器同步控制的装置和方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA682892A (en) * 1964-03-24 R. Canfor Kenneth Device and method for visually scanning a continuous flow of material
NL264816A (fr) * 1960-05-16
US3280692A (en) * 1960-12-21 1966-10-25 United States Steel Corp Apparatus for measuring the defective surface area of an object
NL282898A (fr) * 1961-11-21
US3419677A (en) * 1965-03-26 1968-12-31 John F Mccarthy Inc Apparatus for monitoring high speed processes
US3389789A (en) * 1965-12-10 1968-06-25 Moore Vue Inc Detecting and sorting means for sheets having flaws
DE2222852A1 (de) * 1971-05-11 1973-12-13 Image Analysing Computers Ltd Feldbeleuchtung fuer die bildanalyse
US3868478A (en) * 1973-08-24 1975-02-25 Fairchild Industries Apparatus and method for scanning and storing information located on rapidly moving articles
JPS5140975A (en) * 1974-10-02 1976-04-06 Tsunemasa Okada Jidotanshohoho oyobi sochi
US4110048A (en) * 1974-11-05 1978-08-29 Kawasaki Steel Corporation Method of and an apparatus for inspecting a traveling sheet material
JPS5223391A (en) * 1975-08-18 1977-02-22 Nippon Steel Corp Hot surface flaw detection method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754058A1 (fr) * 1996-10-02 1998-04-03 Etat Francais Laboratoire Cent Procede de detection de defauts de surface sur une surface texturee
EP0834736A1 (fr) * 1996-10-02 1998-04-08 Etat Francais - Laboratoire Central Des Ponts Et Chaussees Procédé de détection de défauts de surface sur une surface texturée
US6040853A (en) * 1996-10-02 2000-03-21 Laboratoire Central Des Ponts Et Chaussees Process for detecting surface defects on a textured surface

Also Published As

Publication number Publication date
FR2402868B1 (fr) 1981-12-11
JPH0232575B2 (fr) 1990-07-20
JPS5451582A (en) 1979-04-23
US4253113A (en) 1981-02-24

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Legal Events

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CD Change of name or company name
TP Transmission of property
ST Notification of lapse