IT1048695B - PROCESS TO HIGHLIGHT DEFECTIVE POINTS ON THE SURFACE OF MAGNETIZABLE WORKED PIECES - Google Patents

PROCESS TO HIGHLIGHT DEFECTIVE POINTS ON THE SURFACE OF MAGNETIZABLE WORKED PIECES

Info

Publication number
IT1048695B
IT1048695B IT29395/75A IT2939575A IT1048695B IT 1048695 B IT1048695 B IT 1048695B IT 29395/75 A IT29395/75 A IT 29395/75A IT 2939575 A IT2939575 A IT 2939575A IT 1048695 B IT1048695 B IT 1048695B
Authority
IT
Italy
Prior art keywords
magnetizable
defective points
worked pieces
highlight
highlight defective
Prior art date
Application number
IT29395/75A
Other languages
Italian (it)
Original Assignee
Oerlikon Buehrle Schweisstech
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
Priority claimed from CH1640474A external-priority patent/CH585404A5/en
Priority claimed from CH631175A external-priority patent/CH594884A5/en
Application filed by Oerlikon Buehrle Schweisstech filed Critical Oerlikon Buehrle Schweisstech
Application granted granted Critical
Publication of IT1048695B publication Critical patent/IT1048695B/en

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
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0832—Metals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IT29395/75A 1974-12-10 1975-11-18 PROCESS TO HIGHLIGHT DEFECTIVE POINTS ON THE SURFACE OF MAGNETIZABLE WORKED PIECES IT1048695B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1640474A CH585404A5 (en) 1974-12-10 1974-12-10 Detection of surface faults in magnetisable material - by applying solvent to ferromagnetic powder coating including pigment and lacquer
CH631175A CH594884A5 (en) 1975-05-16 1975-05-16 Detection of surface faults in magnetisable material

Publications (1)

Publication Number Publication Date
IT1048695B true IT1048695B (en) 1980-12-20

Family

ID=25699340

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29395/75A IT1048695B (en) 1974-12-10 1975-11-18 PROCESS TO HIGHLIGHT DEFECTIVE POINTS ON THE SURFACE OF MAGNETIZABLE WORKED PIECES

Country Status (11)

Country Link
JP (1) JPS5821700B2 (en)
AT (1) AT371605B (en)
DE (1) DE2554492A1 (en)
ES (1) ES443043A1 (en)
FR (1) FR2294442A1 (en)
GB (1) GB1527745A (en)
IT (1) IT1048695B (en)
LU (1) LU73956A1 (en)
NL (1) NL7514367A (en)
NO (1) NO144583C (en)
SE (1) SE420952B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341997A (en) 1979-11-14 1982-07-27 Magnaflux Corporation Magnetic particle inspection process useable with simultaneous illumination by ultra-violet and white light

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2244362A1 (en) * 1972-09-09 1974-05-30 Albert Lauber Kg Dr MAGNETIC POWDER TEST SUBSTANCE

Also Published As

Publication number Publication date
ES443043A1 (en) 1977-04-01
LU73956A1 (en) 1976-07-01
NO144583B (en) 1981-06-15
NO144583C (en) 1981-09-23
JPS5184285A (en) 1976-07-23
SE420952B (en) 1981-11-09
NO754130L (en) 1976-06-11
NL7514367A (en) 1976-06-14
AT371605B (en) 1983-07-11
GB1527745A (en) 1978-10-11
JPS5821700B2 (en) 1983-05-02
FR2294442A1 (en) 1976-07-09
FR2294442B1 (en) 1982-02-19
DE2554492A1 (en) 1976-06-16
ATA911675A (en) 1982-11-15
SE7513843L (en) 1976-06-11

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