IT1402103B1 - Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto - Google Patents

Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto

Info

Publication number
IT1402103B1
IT1402103B1 ITPI2010A000110A ITPI20100110A IT1402103B1 IT 1402103 B1 IT1402103 B1 IT 1402103B1 IT PI2010A000110 A ITPI2010A000110 A IT PI2010A000110A IT PI20100110 A ITPI20100110 A IT PI20100110A IT 1402103 B1 IT1402103 B1 IT 1402103B1
Authority
IT
Italy
Prior art keywords
defect
detect
geometric position
geometric
Prior art date
Application number
ITPI2010A000110A
Other languages
English (en)
Inventor
Michele Zanda
Cosimo Antonio Prete
Original Assignee
Università Di Pisa
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 Università Di Pisa filed Critical Università Di Pisa
Priority to ITPI2010A000110A priority Critical patent/IT1402103B1/it
Priority to EP11817229.5A priority patent/EP2627995A1/en
Priority to PCT/IB2011/002374 priority patent/WO2012046136A1/en
Publication of ITPI20100110A1 publication Critical patent/ITPI20100110A1/it
Application granted granted Critical
Publication of IT1402103B1 publication Critical patent/IT1402103B1/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
ITPI2010A000110A 2010-10-08 2010-10-08 Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto IT1402103B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITPI2010A000110A IT1402103B1 (it) 2010-10-08 2010-10-08 Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto
EP11817229.5A EP2627995A1 (en) 2010-10-08 2011-10-10 Method and apparatus for measuring the quality of a transparent tubular object
PCT/IB2011/002374 WO2012046136A1 (en) 2010-10-08 2011-10-10 Method and apparatus for measuring the quality of a transparent tubular object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPI2010A000110A IT1402103B1 (it) 2010-10-08 2010-10-08 Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto

Publications (2)

Publication Number Publication Date
ITPI20100110A1 ITPI20100110A1 (it) 2012-04-09
IT1402103B1 true IT1402103B1 (it) 2013-08-28

Family

ID=43738233

Family Applications (1)

Application Number Title Priority Date Filing Date
ITPI2010A000110A IT1402103B1 (it) 2010-10-08 2010-10-08 Metodo e dispositivo per rilevare la posizione geometrica di un difetto in un oggetto

Country Status (3)

Country Link
EP (1) EP2627995A1 (it)
IT (1) IT1402103B1 (it)
WO (1) WO2012046136A1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6432448B2 (ja) * 2015-05-29 2018-12-05 日本電気硝子株式会社 ガラス管の検査方法
JP6628185B2 (ja) * 2016-03-11 2020-01-08 パナソニックＩｐマネジメント株式会社 透明体の検査方法
CN108178496A (zh) * 2016-12-08 2018-06-19 肖特股份有限公司 用于再加工玻璃管半成品的方法
DE102016123865A1 (de) 2016-12-08 2018-06-14 Schott Ag Verfahren zum Weiterverarbeiten eines Glasrohr-Halbzeugs einschließlich einer thermischen Umformung
DE102016124833A1 (de) 2016-12-19 2018-06-21 Schott Ag Verfahren zum Herstellen eines Hohlglasprodukts aus einem Glasrohr-Halbzeug mit Markierungen, sowie Verwendungen hiervon
DE102016125129A1 (de) 2016-12-21 2018-06-21 Schott Ag Verfahren zum Herstellen eines Glasrohr-Halbzeugs oder eines daraus hergestellten Hohlglasprodukts mit Markierungen, sowie Verwendungen hiervon
EP3968012A1 (en) * 2020-09-11 2022-03-16 Schott Ag Apparatus for the inspection of a circular elongated element
CN112461863B (zh) * 2020-11-17 2024-09-13 上海探见智能家居有限公司 一种玻璃窗破损检测及定位方法
IT202000031394A1 (it) * 2020-12-18 2022-06-18 Nuova Ompi Srl Apparato e metodo per ispezionare contenitori cilindrici trasparenti contenenti prodotti gel o viscosi trasparenti o semi trasparenti, in particolare per applicazioni medicali
CN112858333A (zh) * 2021-02-23 2021-05-28 珠海迪沃航空工程有限公司 一种应用于飞机发动机涡轮叶片的曲面三维缺陷检测方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136779A (en) 1977-12-22 1979-01-30 Owens-Illinois, Inc. Ampule score line detection
US4168907A (en) 1977-12-30 1979-09-25 Bell Telephone Laboratories, Incorporated Method for inspecting transparent rods
US4483615A (en) 1981-12-18 1984-11-20 Owens-Illinois, Inc. Method and apparatus for detecting checks in glass tubes
FR2697086B1 (fr) * 1992-10-20 1994-12-09 Thomson Csf Procédé et dispositif d'inspection de matériau transparent.
WO1998034096A1 (en) 1997-01-31 1998-08-06 Medar, Inc. Method and system for detecting defects in transparent objects having spatial variations in their optical density
NL1012323C2 (nl) 1999-06-14 2000-12-19 Eagle Vision Systems B V Werkwijze voor het inspecteren van een doorzichtige verpakking, en inrichting en systeem ten gebruike daarbij.
US7342654B2 (en) * 2003-12-19 2008-03-11 International Business Machines Corporation Detection of impurities in cylindrically shaped transparent media
US20060066846A1 (en) * 2004-09-29 2006-03-30 Telco Testing Systems, Llc Apparatus and method for detection of contaminant particles or component defects
EP2161567A1 (en) 2004-11-24 2010-03-10 Asahi Glass Company, Limited Defect inspection method and apparatus for transparent plate materials
JP5157471B2 (ja) * 2008-01-22 2013-03-06 旭硝子株式会社 欠陥検査装置、欠陥検査方法及び板状体の製造方法

Also Published As

Publication number Publication date
WO2012046136A1 (en) 2012-04-12
EP2627995A1 (en) 2013-08-21
ITPI20100110A1 (it) 2012-04-09

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