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 productsInfo
- 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
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)
- 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 Magnetic Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
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 |
CS730169A CS158656B2 (en) | 1968-11-08 | 1969-11-05 | |
FR6937977A FR2022867A1 (en) | 1968-11-08 | 1969-11-05 | |
LU59756D LU59756A1 (en) | 1968-11-08 | 1969-11-05 | |
PL1969136705A PL80328B1 (en) | 1968-11-08 | 1969-11-05 | |
BE741364D BE741364A (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 |
SE15226/69A SE357829B (en) | 1968-11-08 | 1969-11-06 | |
NL6916879A NL6916879A (en) | 1968-11-08 | 1969-11-07 | |
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 |
RO61510A RO61659A (en) | 1968-11-08 | 1969-11-08 | |
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 |
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)
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 |
MX2021015799A (en) * | 2019-06-28 | 2022-04-27 | Solmax Int Inc | Membrane inspection method based on magnetic field sensing. |
Family Cites Families (4)
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 |
-
1968
- 1968-11-08 CH CH1670968A patent/CH526779A/en not_active IP Right Cessation
-
1969
- 1969-10-22 AT AT997369A patent/AT301219B/en not_active IP Right Cessation
- 1969-10-23 BR BR213562/69A patent/BR6913562D0/en unknown
- 1969-10-24 DE DE1953717A patent/DE1953717C3/en not_active Expired
- 1969-10-24 JP JP44084738A patent/JPS5211235B1/ja active Pending
- 1969-10-31 US US873043A patent/US3614604A/en not_active Expired - Lifetime
- 1969-11-05 FR FR6937977A patent/FR2022867A1/fr not_active Withdrawn
- 1969-11-05 LU LU59756D patent/LU59756A1/xx unknown
- 1969-11-05 PL PL1969136705A patent/PL80328B1/pl unknown
- 1969-11-05 CS CS730169A patent/CS158656B2/cs unknown
- 1969-11-06 SU SU1375553A patent/SU456433A3/en active
- 1969-11-06 SE SE15226/69A patent/SE357829B/xx unknown
- 1969-11-06 BE BE741364D patent/BE741364A/xx unknown
- 1969-11-07 NL NL6916879A patent/NL6916879A/xx unknown
- 1969-11-08 RO RO61510A patent/RO61659A/ro unknown
- 1969-11-08 ES ES373626A patent/ES373626A1/en not_active Expired
- 1969-11-08 ES ES373624A patent/ES373624A1/en not_active Expired
- 1969-11-10 GB GB1289727D patent/GB1289727A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3614604A (en) | 1971-10-19 |
FR2022867A1 (en) | 1970-08-07 |
GB1289727A (en) | 1972-09-20 |
BR6913562D0 (en) | 1973-01-11 |
SU456433A3 (en) | 1975-01-05 |
DE1953717C3 (en) | 1975-09-11 |
SE357829B (en) | 1973-07-09 |
RO61659A (en) | 1977-02-15 |
LU59756A1 (en) | 1970-01-13 |
DE1953717B2 (en) | 1975-01-30 |
AT301219B (en) | 1972-08-25 |
ES373626A1 (en) | 1972-02-01 |
CS158656B2 (en) | 1974-11-25 |
DE1953717A1 (en) | 1970-12-10 |
PL80328B1 (en) | 1975-08-30 |
BE741364A (en) | 1970-05-06 |
ES373624A1 (en) | 1972-02-01 |
NL6916879A (en) | 1970-05-12 |
JPS5211235B1 (en) | 1977-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |