IT1402103B1 - METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT - Google Patents

METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT

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
Italian (it)
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/en
Priority to EP11817229.5A priority patent/EP2627995A1/en
Priority to PCT/IB2011/002374 priority patent/WO2012046136A1/en
Publication of ITPI20100110A1 publication Critical patent/ITPI20100110A1/en
Application granted granted Critical
Publication of IT1402103B1 publication Critical patent/IT1402103B1/en

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 METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT IT1402103B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITPI2010A000110A IT1402103B1 (en) 2010-10-08 2010-10-08 METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT
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 (en) 2010-10-08 2010-10-08 METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT

Publications (2)

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

Family

ID=43738233

Family Applications (1)

Application Number Title Priority Date Filing Date
ITPI2010A000110A IT1402103B1 (en) 2010-10-08 2010-10-08 METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT

Country Status (3)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6432448B2 (en) * 2015-05-29 2018-12-05 日本電気硝子株式会社 Glass tube inspection method
JP6628185B2 (en) * 2016-03-11 2020-01-08 パナソニックＩｐマネジメント株式会社 Inspection method for transparent objects
CN108178496A (en) * 2016-12-08 2018-06-19 肖特股份有限公司 For reprocessing glass tube process of semi-finished
DE102016123865A1 (en) 2016-12-08 2018-06-14 Schott Ag Process for the further processing of a glass tube semifinished product including a thermal deformation
DE102016124833A1 (en) 2016-12-19 2018-06-21 Schott Ag Method for producing a hollow glass product from a glass tube semifinished product with markings, as well as uses thereof
DE102016125129A1 (en) 2016-12-21 2018-06-21 Schott Ag A method for producing a glass tube semi-finished product or a hollow glass product produced therefrom with markings, as well as uses thereof
EP3968012A1 (en) * 2020-09-11 2022-03-16 Schott Ag Apparatus for the inspection of a circular elongated element
CN112461863B (en) * 2020-11-17 2024-09-13 上海探见智能家居有限公司 Glass window damage detection and positioning method
IT202000031394A1 (en) * 2020-12-18 2022-06-18 Nuova Ompi Srl APPARATUS AND METHOD FOR INSPECTING CLEAR CYLINDRICAL CONTAINERS CONTAINING CLEAR OR SEMI-TRANSPARENT GEL OR VISCOUS PRODUCTS, PARTICULARLY FOR MEDICAL APPLICATIONS
CN112858333A (en) * 2021-02-23 2021-05-28 珠海迪沃航空工程有限公司 Curved surface three-dimensional defect detection method applied to turbine blade of aircraft engine

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 (en) * 1992-10-20 1994-12-09 Thomson Csf Method and device for inspecting transparent material.
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 (en) 1999-06-14 2000-12-19 Eagle Vision Systems B V Method for inspecting transparent packaging, and device and system for use therewith.
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
KR100897223B1 (en) 2004-11-24 2009-05-14 아사히 가라스 가부시키가이샤 Method and device for inspecting defect of transparent plate body
JP5157471B2 (en) * 2008-01-22 2013-03-06 旭硝子株式会社 Defect inspection apparatus, defect inspection method and plate-like body manufacturing method

Also Published As

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

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