CH526779A - Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products - Google Patents

Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products

Info

Publication number
CH526779A
CH526779A CH1670968A CH1670968A CH526779A CH 526779 A CH526779 A CH 526779A CH 1670968 A CH1670968 A CH 1670968A CH 1670968 A CH1670968 A CH 1670968A CH 526779 A CH526779 A CH 526779A
Authority
CH
Switzerland
Prior art keywords
imperfections
semi
finished products
particular cracks
permanent visualization
Prior art date
Application number
CH1670968A
Other languages
German (de)
Inventor
Reinshagen Kurt
Original Assignee
Elektrodenfabrik Oerlikon
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 Elektrodenfabrik Oerlikon filed Critical Elektrodenfabrik Oerlikon
Priority to CH1670968A priority Critical patent/CH526779A/en
Priority to AT997369A priority patent/AT301219B/en
Priority to BR213562/69A priority patent/BR6913562D0/en
Priority to DE1953717A priority patent/DE1953717C3/en
Priority to JP44084738A priority patent/JPS5211235B1/ja
Priority to US873043A priority patent/US3614604A/en
Priority to LU59756D priority patent/LU59756A1/xx
Priority to CS730169A priority patent/CS158656B2/cs
Priority to PL1969136705A priority patent/PL80328B1/pl
Priority to FR6937977A priority patent/FR2022867A1/fr
Priority to SE15226/69A priority patent/SE357829B/xx
Priority to SU1375553A priority patent/SU456433A3/en
Priority to BE741364D priority patent/BE741364A/xx
Priority to NL6916879A priority patent/NL6916879A/xx
Priority to ES373626A priority patent/ES373626A1/en
Priority to RO61510A priority patent/RO61659A/ro
Priority to ES373624A priority patent/ES373624A1/en
Priority to GB1289727D priority patent/GB1289727A/en
Publication of CH526779A publication Critical patent/CH526779A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
CH1670968A 1968-11-08 1968-11-08 Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products CH526779A (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
CH1670968A CH526779A (en) 1968-11-08 1968-11-08 Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products
AT997369A AT301219B (en) 1968-11-08 1969-10-22 Process and device for the visualization of cracks and other imperfections on the entire surface of billets and other semi-finished products
BR213562/69A BR6913562D0 (en) 1968-11-08 1969-10-23 PROCESS AND DEVICE FOR MAKING DEFECTIVE SLITTS AND DEFECTIVE PLACES ON THE SURFACE OF TICKETS AND OTHER SEMI-FINISHED PRODUCTS
DE1953717A DE1953717C3 (en) 1968-11-08 1969-10-24 Process for the visualization of cracks and other imperfections on the entire surface of billets and other semi-finished products
JP44084738A JPS5211235B1 (en) 1968-11-08 1969-10-24
US873043A US3614604A (en) 1968-11-08 1969-10-31 Method and apparatus for detecting workpiece surface defects and for fixing the location thereof using magnetic particles
LU59756D LU59756A1 (en) 1968-11-08 1969-11-05
CS730169A CS158656B2 (en) 1968-11-08 1969-11-05
PL1969136705A PL80328B1 (en) 1968-11-08 1969-11-05
FR6937977A FR2022867A1 (en) 1968-11-08 1969-11-05
SE15226/69A SE357829B (en) 1968-11-08 1969-11-06
SU1375553A SU456433A3 (en) 1968-11-08 1969-11-06 The method of visualization of defects on the surface of the car
BE741364D BE741364A (en) 1968-11-08 1969-11-06
NL6916879A NL6916879A (en) 1968-11-08 1969-11-07
ES373626A ES373626A1 (en) 1968-11-08 1969-11-08 Method and apparatus for detecting workpiece surface defects and for fixing the location thereof using magnetic particles
RO61510A RO61659A (en) 1968-11-08 1969-11-08
ES373624A ES373624A1 (en) 1968-11-08 1969-11-08 Method and apparatus for detecting workpiece surface defects and for fixing the location thereof using magnetic particles
GB1289727D GB1289727A (en) 1968-11-08 1969-11-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1670968A CH526779A (en) 1968-11-08 1968-11-08 Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products

Publications (1)

Publication Number Publication Date
CH526779A true CH526779A (en) 1972-08-15

Family

ID=4419553

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1670968A CH526779A (en) 1968-11-08 1968-11-08 Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products

Country Status (17)

Country Link
US (1) US3614604A (en)
JP (1) JPS5211235B1 (en)
AT (1) AT301219B (en)
BE (1) BE741364A (en)
BR (1) BR6913562D0 (en)
CH (1) CH526779A (en)
CS (1) CS158656B2 (en)
DE (1) DE1953717C3 (en)
ES (2) ES373626A1 (en)
FR (1) FR2022867A1 (en)
GB (1) GB1289727A (en)
LU (1) LU59756A1 (en)
NL (1) NL6916879A (en)
PL (1) PL80328B1 (en)
RO (1) RO61659A (en)
SE (1) SE357829B (en)
SU (1) SU456433A3 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2116827A1 (en) * 1971-04-06 1972-10-19 Förster, Friedrich, Dr., 7410 Reutlingen Arrangement for the non-destructive testing of steel parts
NO130802C (en) * 1972-10-10 1975-02-12 Schelderups Ind A S
CH599547A5 (en) * 1976-08-31 1978-05-31 Mecafina Sa
US4341997A (en) 1979-11-14 1982-07-27 Magnaflux Corporation Magnetic particle inspection process useable with simultaneous illumination by ultra-violet and white light
DE3132390A1 (en) * 1981-08-17 1983-03-03 Mecapec S.A., 8716 Schmerikon "METHOD AND DEVICE FOR MAGNETIC Crack Testing"
EP0090190A1 (en) * 1982-03-22 1983-10-05 Mecapec S.A. Method and apparatus for magnetically detecting flaws in materials
EP0164057A3 (en) * 1984-06-08 1988-05-04 Mecapec S.A. Methods and devices for determining surface defects in a rod-shaped ferromagnetic object
US5648720A (en) * 1993-03-25 1997-07-15 International Business Machines Corporation Apparatus and method for producing a magnetic image of a conductive pattern using eddy currents
DE19817953A1 (en) * 1998-04-22 1999-10-28 Hilti Ag Marking device
US7254922B2 (en) * 2002-04-04 2007-08-14 Fairborn Usa, Inc. Selectively releasable and pivotable side curtain assembly
GB2452769B (en) * 2007-09-17 2011-06-01 Motorola Inc Device and electrical contact mechanism therefor
US8575923B1 (en) 2011-01-07 2013-11-05 OilPatch Technology Method and apparatus for special end area inspection
US20220308015A1 (en) * 2019-06-28 2022-09-29 Solmax International Inc. Membrane inspection method based on magnetic field sensing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169696B (en) * 1957-04-13 1964-05-06 Daimler Benz Ag Fully automatic device for detecting cracks in axially symmetrical iron and steel parts using the magnetic powder method
US3073212A (en) * 1957-08-14 1963-01-15 Magnaflux Corp Optical apparatus for inspecting magnetic particle concentrations
US3249861A (en) * 1962-09-18 1966-05-03 Budd Co Method and apparatus for magnetic flaw detection by depositing magnetic particles ononly the area of the flaw
US3480855A (en) * 1967-04-10 1969-11-25 Magnaflux Corp Image dissector system having pattern rotation means

Also Published As

Publication number Publication date
GB1289727A (en) 1972-09-20
US3614604A (en) 1971-10-19
JPS5211235B1 (en) 1977-03-29
SE357829B (en) 1973-07-09
RO61659A (en) 1977-02-15
ES373626A1 (en) 1972-02-01
DE1953717B2 (en) 1975-01-30
DE1953717C3 (en) 1975-09-11
FR2022867A1 (en) 1970-08-07
PL80328B1 (en) 1975-08-30
DE1953717A1 (en) 1970-12-10
AT301219B (en) 1972-08-25
BE741364A (en) 1970-05-06
ES373624A1 (en) 1972-02-01
BR6913562D0 (en) 1973-01-11
SU456433A3 (en) 1975-01-05
LU59756A1 (en) 1970-01-13
NL6916879A (en) 1970-05-12
CS158656B2 (en) 1974-11-25

Similar Documents

Publication Publication Date Title
AT286669B (en) Method and device for locating the interfaces between different substances
CH515748A (en) Method and device for sorting objects
CH521794A (en) Method and device for sorting bodies with different specific weights
AT280059B (en) Method and device for suppressing vortex deflections on the surface of airfoils
CH442060A (en) Method and device for finishing the surfaces of parts
CH510917A (en) Method and device for machine character recognition
AT304888B (en) Method and device for cleaning metals
CH519206A (en) Method and device for character recognition
CH526779A (en) Method and device for permanent visualization of imperfections, in particular cracks, on the surface of semi-finished products
CH502861A (en) Method and device for the production of castings
CH479050A (en) Method and device for measuring or checking the dimensions of an elongate object
AT291453B (en) Method and device for casting strands, in particular profile strands
CH480693A (en) Method and device for centering characters in character recognition machines
CH460415A (en) Method for identifying and identifying objects, in particular mail
CH441818A (en) Method and device for determining viscosity
CH520987A (en) Method and device for character recognition
CH480244A (en) Method and device for removing garbage
CH474370A (en) Method and device for checking the serial numbering of notes of value, in particular bank notes
CH469515A (en) Method and device for cleaning surfaces
AT255808B (en) Method and device for checking the numbering of notes of value
DE1907848B2 (en) PROCESS AND DEVICE FOR LOCATING LEAK POINTS ON PIPELINES IN PARTICULAR IN THE GROUND
CH514366A (en) Method and device for cleaning the inner surfaces of containers of all kinds
CH521585A (en) Method for registering deformations and device for its implementation
AT300008B (en) Method for roughening snow cover and device for carrying out the same
AT339361B (en) DEVICE AND METHOD FOR MACHINING GROOVES IN TRAFFIC AREAS

Legal Events

Date Code Title Description
PL Patent ceased