IT948811B - Procedimento e dispositivo per la rivelazione di punte di spillo nei materiali in foglio non condut tivi elettricamente - Google Patents

Procedimento e dispositivo per la rivelazione di punte di spillo nei materiali in foglio non condut tivi elettricamente

Info

Publication number
IT948811B
IT948811B IT67048/72A IT6704872A IT948811B IT 948811 B IT948811 B IT 948811B IT 67048/72 A IT67048/72 A IT 67048/72A IT 6704872 A IT6704872 A IT 6704872A IT 948811 B IT948811 B IT 948811B
Authority
IT
Italy
Prior art keywords
procedure
detection
electrically conductive
conductive sheet
sheet materials
Prior art date
Application number
IT67048/72A
Other languages
English (en)
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of IT948811B publication Critical patent/IT948811B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • G01N27/205—Investigating the presence of flaws in insulating materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
IT67048/72A 1971-01-08 1972-01-07 Procedimento e dispositivo per la rivelazione di punte di spillo nei materiali in foglio non condut tivi elettricamente IT948811B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB105271 1971-01-08

Publications (1)

Publication Number Publication Date
IT948811B true IT948811B (it) 1973-06-11

Family

ID=9715334

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67048/72A IT948811B (it) 1971-01-08 1972-01-07 Procedimento e dispositivo per la rivelazione di punte di spillo nei materiali in foglio non condut tivi elettricamente

Country Status (8)

Country Link
US (1) US3792458A (it)
JP (1) JPS5323190Y2 (it)
BE (1) BE777774A (it)
DE (1) DE2200552A1 (it)
FR (1) FR2121316A5 (it)
GB (1) GB1313992A (it)
IT (1) IT948811B (it)
NL (1) NL7200275A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925681A (en) * 1973-03-13 1975-12-09 Grudelbach Hans Dieter Monitoring, counting and safety apparatus
US3955136A (en) * 1974-11-20 1976-05-04 Structural Fibers, Inc. Machine for dielectrically detecting defects in flat rubber stock
JPS51109957A (ja) * 1975-03-24 1976-09-29 Michio Sudo Infureeshonchunonetsukasoseigoseijushimakutainipinhoorunohatsuseishiteirukotooninchiseshimerukeikokuho
US4247814A (en) * 1979-02-05 1981-01-27 The B. F. Goodrich Company Mat testing apparatus
US4347477A (en) * 1980-08-15 1982-08-31 The B.F. Goodrich Company Mat testing apparatus
SE436951B (sv) * 1981-02-19 1985-01-28 Asea Ab Kontrollforfarande vid tillverkning av transformator eller reaktor samt anordning for tillverkningskontroll av transformator eller reaktor
JPS57169665A (en) * 1981-04-13 1982-10-19 Canon Inc Detecting method for defective part of electrophotographic sensitive body
US4567428A (en) * 1982-07-06 1986-01-28 Sperry Corporation Detection of catastrophic failure of dielectric, improper connection, and temperature of a printed circuit assembly via one wire
US4504782A (en) * 1982-07-06 1985-03-12 Sperry Corporation Detection of catastrophic failure of dielectric, improper connection, and temperature of a printed circuit assembly via one wire
US4473795A (en) * 1983-02-23 1984-09-25 International Business Machines Corporation System for resist defect measurement
US4558273A (en) * 1983-06-01 1985-12-10 Mitsubishi Denki Kabushiki Kaisha Apparatus for the inspection of electrodeposited electrically insulating coatings
US4721917A (en) * 1984-10-12 1988-01-26 Reynolds Metals Company Coating continuity detector
JPS6344158A (ja) * 1986-08-12 1988-02-25 Toyo Seikan Kaisha Ltd 金属容器及びその構成部材の樹脂被覆部における金属露出測定法及び装置
FR2607254B1 (fr) * 1986-11-25 1989-11-24 Centre Nat Rech Scient Procede et dispositif de caracterisation d'un film de polymere et application aux films a usage electrique
US5200704A (en) * 1991-02-28 1993-04-06 Westinghouse Electric Corp. System and method including a buried flexible sheet target impregnated with ferromagnetic particles and eddy current probe for determining proximity of a non-conductive underground structure
DE4127740A1 (de) * 1991-08-22 1993-03-04 Klaus Joergens Verfahren und vorrichtung zum pruefen der porositaet von beschichteten gegenstaenden
US6160406A (en) * 1998-10-26 2000-12-12 Agri Dynamics, Inc. Condom testing apparatus
DE20114177U1 (de) * 2001-08-28 2003-01-16 Barth, Hermann, 71134 Aidlingen Anordnung zur Prüfung der elektrischen Durchschlagsfestigkeit von Isolationszwischenlagen von Basismaterial zur Herstellung gedruckter Schaltungen
GB0300381D0 (en) 2003-01-08 2003-02-05 Ncr Int Inc Detector
US20050057258A1 (en) * 2003-09-16 2005-03-17 Colahan Jerry J. Hand mounted holiday tester
US20080042662A1 (en) * 2006-08-16 2008-02-21 George Abraham Method For Detecting Stent Coating Defects
JP2024146360A (ja) * 2023-03-31 2024-10-15 宇部マクセル京都株式会社 フィルム検査装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572597A (en) * 1951-01-02 1951-10-23 Gen Electric Porosity tester for coating materials
US2896196A (en) * 1955-05-18 1959-07-21 Champion Internat Company Apparatus for detecting defects in sheet materials
US2978636A (en) * 1957-04-30 1961-04-04 Viking Instr Inc Flaw detecting apparatus
US3270930A (en) * 1961-09-28 1966-09-06 Eastman Kodak Co Web inspection system

Also Published As

Publication number Publication date
JPS5313180U (it) 1978-02-03
FR2121316A5 (it) 1972-08-18
GB1313992A (en) 1973-04-18
DE2200552A1 (de) 1972-07-20
BE777774A (fr) 1972-05-02
US3792458A (en) 1974-02-12
NL7200275A (it) 1972-07-11
JPS5323190Y2 (it) 1978-06-15

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