FR2045941A1 - - Google Patents
Info
- Publication number
- FR2045941A1 FR2045941A1 FR7021186A FR7021186A FR2045941A1 FR 2045941 A1 FR2045941 A1 FR 2045941A1 FR 7021186 A FR7021186 A FR 7021186A FR 7021186 A FR7021186 A FR 7021186A FR 2045941 A1 FR2045941 A1 FR 2045941A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- G01N27/90—Investigating 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
- G01N27/9046—Investigating 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 by analysing electrical signals
-
- 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
- G01N27/90—Investigating 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- 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
- G01N27/90—Investigating 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
- G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83141069A | 1969-06-09 | 1969-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2045941A1 true FR2045941A1 (enExample) | 1971-03-05 |
Family
ID=25258988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7021186A Withdrawn FR2045941A1 (enExample) | 1969-06-09 | 1970-06-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3603874A (enExample) |
| DE (1) | DE2028113A1 (enExample) |
| FR (1) | FR2045941A1 (enExample) |
| GB (1) | GB1318551A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3727075A (en) * | 1972-02-24 | 1973-04-10 | Ibm | Missing type detector |
| JPS4992890U (enExample) * | 1972-12-04 | 1974-08-12 | ||
| US3826132A (en) * | 1973-06-01 | 1974-07-30 | Bethlehem Steel Corp | Device for producing a visual display of the transverse tension profile of a moving steel strip |
| JPS5044884A (enExample) * | 1973-08-22 | 1975-04-22 | ||
| US3916301A (en) * | 1974-05-20 | 1975-10-28 | Republic Steel Corp | Magnetic flaw detection apparatus |
| FR2681430B1 (fr) * | 1991-09-12 | 1993-11-05 | Valtubes | Dispositif de controle non destructif de produits longs metalliques de revolution et procede pour sa mise en óoeuvre. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2102451A (en) * | 1936-04-23 | 1937-12-14 | Magnetic Analysis Corp | Magnetic analysis |
| US2415789A (en) * | 1942-06-13 | 1947-02-11 | Republic Steel Corp | Nondestructive electrical testing of metals |
| US2980848A (en) * | 1956-12-24 | 1961-04-18 | Shell Oil Co | Weld seam testing apparatus |
| US2942178A (en) * | 1957-07-12 | 1960-06-21 | Magnaflux Corp | Testing circuit |
| US2971150A (en) * | 1958-01-31 | 1961-02-07 | Robinson Technical Products In | Apparatus for non-destructive testing of metals |
| 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 |
| US3475681A (en) * | 1965-08-02 | 1969-10-28 | Magnaflux Corp | Apparatus display system for providing plural indications and threshold indications |
-
1969
- 1969-06-09 US US831410A patent/US3603874A/en not_active Expired - Lifetime
-
1970
- 1970-06-08 GB GB2767470A patent/GB1318551A/en not_active Expired
- 1970-06-08 DE DE19702028113 patent/DE2028113A1/de active Pending
- 1970-06-09 FR FR7021186A patent/FR2045941A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1318551A (en) | 1973-05-31 |
| DE2028113A1 (de) | 1970-12-23 |
| US3603874A (en) | 1971-09-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |