CA1033028A - System for detecting openings in opaque objects - Google Patents

System for detecting openings in opaque objects

Info

Publication number
CA1033028A
CA1033028A CA200,398A CA200398A CA1033028A CA 1033028 A CA1033028 A CA 1033028A CA 200398 A CA200398 A CA 200398A CA 1033028 A CA1033028 A CA 1033028A
Authority
CA
Canada
Prior art keywords
opaque objects
detecting openings
openings
detecting
opaque
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
Application number
CA200,398A
Other languages
English (en)
French (fr)
Other versions
CA200398S (en
Inventor
Robert M. Trimble
Nicholaas L. Brouwer
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Application granted granted Critical
Publication of CA1033028A publication Critical patent/CA1033028A/en
Expired 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
    • 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
    • G01N21/9072—Investigating the presence of flaws or contamination in a container or its contents with illumination or detection from inside the container
    • 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
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18—Investigating the presence of flaws defects or foreign matter

Landscapes

  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CA200,398A 1973-06-06 1974-05-21 System for detecting openings in opaque objects Expired CA1033028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00367320A US3826923A (en) 1973-06-06 1973-06-06 System for detecting openings in opaque objects

Publications (1)

Publication Number Publication Date
CA1033028A true CA1033028A (en) 1978-06-13

Family

ID=23446696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200,398A Expired CA1033028A (en) 1973-06-06 1974-05-21 System for detecting openings in opaque objects

Country Status (14)

Country Link
US (1) US3826923A (xx)
JP (1) JPS5023695A (xx)
AU (1) AU472868B2 (xx)
BE (1) BE815921A (xx)
BR (1) BR7404685D0 (xx)
CA (1) CA1033028A (xx)
DE (1) DE2427439A1 (xx)
DK (1) DK298174A (xx)
FR (1) FR2232759B1 (xx)
GB (1) GB1466125A (xx)
IT (1) IT1013300B (xx)
NL (1) NL7407630A (xx)
SE (1) SE397004B (xx)
ZA (1) ZA743267B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991882A (en) * 1975-05-30 1976-11-16 Aluminum Company Of America Method and apparatus for inspecting articles for openings
US4105122A (en) * 1976-11-26 1978-08-08 Borden, Inc. Inspecting cans for openings with light
JPS54139784A (en) * 1978-04-21 1979-10-30 Ngk Insulators Ltd Method and device for testing ceramic piece having innumerable through pores
US4305816A (en) * 1980-02-11 1981-12-15 Borden, Inc. Apparatus and method for inspecting containers
US4405233A (en) * 1980-06-05 1983-09-20 Bell Telephone Laboratories, Incorporated Photo-electric apparatus for testing electrical connector contacts
JP2926236B2 (ja) * 1988-11-30 1999-07-28 昭和アルミニウム株式会社 容器のピンホール検査装置
US5563700A (en) * 1995-05-05 1996-10-08 Aluminum Company Of America Method and apparatus for testing the material integrity of a converted can end
US5663791A (en) * 1996-03-01 1997-09-02 Princeton Scientific Instruments, Inc. Apparatus and method for testing elastic articles
DE19613560A1 (de) * 1996-04-04 1997-10-09 Krupp Ag Hoesch Krupp Meßverfahren zur Prüfung der Dichtigkeit von offenen Hohlkörpern und Vorrichtung für die Durchführung des Verfahrens
US20020112995A1 (en) * 2000-12-14 2002-08-22 Hess Edward P. Pin hole detection system
US6661020B2 (en) * 2001-08-30 2003-12-09 Delaware Capital Formation, Inc. Servo-shutter mechanism for detecting defects in cans
US8049878B2 (en) * 2008-08-22 2011-11-01 Corning Incorporated Systems and methods for detecting defects in ceramic filter bodies
US8285027B2 (en) * 2009-11-13 2012-10-09 Corning Incorporated High-resolution large-field scanning inspection system for extruded ceramic honeycomb structures
US8641942B2 (en) * 2010-05-12 2014-02-04 Corning Incorporated Laser scanning systems and methods for measuring extruded ceramic logs
CN109844506B (zh) 2016-07-29 2022-05-27 康宁股份有限公司 对准、检查和制造陶瓷蜂窝体的设备和方法
US11054358B1 (en) * 2020-02-06 2021-07-06 The Boeing Company Systems and methods for detection of surface and near-surface porosity
US20240272087A1 (en) * 2021-08-08 2024-08-15 Liraz SHLOMOFF Container inspection system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758712A (en) * 1952-08-18 1956-08-14 Linderman Engineering Company Detecting apparatus
US2892951A (en) * 1956-07-11 1959-06-30 Linderman Engineering Company Detecting apparatus
US2939016A (en) * 1956-11-20 1960-05-31 Ibm Detecting apparatus
NL239261A (xx) * 1958-05-20
FR1301828A (fr) * 1960-05-16 1962-08-24 United States Steel Corp Installation de contrôle visuel de bandes se déplaçant à grande vitesse
US3576442A (en) * 1966-11-26 1971-04-27 Hoshitaka Nakamura Ampul inspector using multiple line scan cathode-ray tube
GB1194925A (en) * 1967-09-21 1970-06-17 Electronix Ten Inc Arrangement for Controlling the Resistance Value of Environment Sensitive Resistance Devices
US3708669A (en) * 1970-05-04 1973-01-02 Trw Inc Method and apparatus for calibrating a solar array

Also Published As

Publication number Publication date
ZA743267B (en) 1975-05-28
AU6876074A (en) 1975-11-13
BR7404685D0 (pt) 1975-01-21
IT1013300B (it) 1977-03-30
FR2232759B1 (xx) 1977-03-11
FR2232759A1 (xx) 1975-01-03
GB1466125A (en) 1977-03-02
DK298174A (xx) 1975-01-20
JPS5023695A (xx) 1975-03-13
BE815921A (fr) 1974-12-05
NL7407630A (xx) 1974-12-10
DE2427439A1 (de) 1975-01-02
AU472868B2 (en) 1976-06-10
SE7407222L (xx) 1974-12-09
SE397004B (sv) 1977-10-10
US3826923A (en) 1974-07-30

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