FR2426903B1 - - Google Patents
Info
- Publication number
- FR2426903B1 FR2426903B1 FR7815588A FR7815588A FR2426903B1 FR 2426903 B1 FR2426903 B1 FR 2426903B1 FR 7815588 A FR7815588 A FR 7815588A FR 7815588 A FR7815588 A FR 7815588A FR 2426903 B1 FR2426903 B1 FR 2426903B1
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7815588A FR2426903A1 (en) | 1978-05-25 | 1978-05-25 | Inspecting rolled prods. for surface defects - where prods. are coated with indicator soln. and subjected to high frequency induction heating which reveals the defects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7815588A FR2426903A1 (en) | 1978-05-25 | 1978-05-25 | Inspecting rolled prods. for surface defects - where prods. are coated with indicator soln. and subjected to high frequency induction heating which reveals the defects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2426903A1 FR2426903A1 (en) | 1979-12-21 |
| FR2426903B1 true FR2426903B1 (en) | 1981-05-08 |
Family
ID=9208690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7815588A Granted FR2426903A1 (en) | 1978-05-25 | 1978-05-25 | Inspecting rolled prods. for surface defects - where prods. are coated with indicator soln. and subjected to high frequency induction heating which reveals the defects |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2426903A1 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE907946C (en) * | 1950-08-25 | 1954-04-01 | Aral Ag B V | Method for testing tubular metal workpieces for defects, especially for longitudinal cracks |
| US3871212A (en) * | 1973-05-04 | 1975-03-18 | Goodyear Tire & Rubber | System and method for monitoring quality characteristics of a moving web |
-
1978
- 1978-05-25 FR FR7815588A patent/FR2426903A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2426903A1 (en) | 1979-12-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |