FR1402870A - Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects - Google Patents

Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects

Info

Publication number
FR1402870A
FR1402870A FR960376A FR960376A FR1402870A FR 1402870 A FR1402870 A FR 1402870A FR 960376 A FR960376 A FR 960376A FR 960376 A FR960376 A FR 960376A FR 1402870 A FR1402870 A FR 1402870A
Authority
FR
France
Prior art keywords
detect
volume
contact
printing device
sensitive surface
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
FR960376A
Other languages
French (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.)
Compagnie des Ateliers et Forges de la Loire SA
Original Assignee
Compagnie des Ateliers et Forges de la Loire 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 Compagnie des Ateliers et Forges de la Loire SA filed Critical Compagnie des Ateliers et Forges de la Loire SA
Priority to FR960376A priority Critical patent/FR1402870A/en
Priority to LU47752A priority patent/LU47752A1/xx
Priority to DE19651473708 priority patent/DE1473708A1/en
Priority to BE658281D priority patent/BE658281A/xx
Priority to NL6500487A priority patent/NL6500487A/xx
Application granted granted Critical
Publication of FR1402870A publication Critical patent/FR1402870A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14Quality control systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Quality & Reliability (AREA)
  • Automation & Control Theory (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR960376A 1964-01-15 1964-01-15 Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects Expired FR1402870A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR960376A FR1402870A (en) 1964-01-15 1964-01-15 Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects
LU47752A LU47752A1 (en) 1964-01-15 1965-01-08
DE19651473708 DE1473708A1 (en) 1964-01-15 1965-01-14 Device for displaying and locating surface defects in a magnetic body
BE658281D BE658281A (en) 1964-01-15 1965-01-14
NL6500487A NL6500487A (en) 1964-01-15 1965-01-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR960376A FR1402870A (en) 1964-01-15 1964-01-15 Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects

Publications (1)

Publication Number Publication Date
FR1402870A true FR1402870A (en) 1965-06-18

Family

ID=8820942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR960376A Expired FR1402870A (en) 1964-01-15 1964-01-15 Magnetic printing device by contact of a sensitive surface, or volume, on a magnetized part, to detect and locate defects

Country Status (5)

Country Link
BE (1) BE658281A (en)
DE (1) DE1473708A1 (en)
FR (1) FR1402870A (en)
LU (1) LU47752A1 (en)
NL (1) NL6500487A (en)

Also Published As

Publication number Publication date
BE658281A (en) 1965-07-14
NL6500487A (en) 1965-07-16
DE1473708A1 (en) 1969-03-13
LU47752A1 (en) 1966-07-08

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