GB1071683A - Method of and device for detecting faults in rolled metallic products - Google Patents
Method of and device for detecting faults in rolled metallic productsInfo
- Publication number
- GB1071683A GB1071683A GB22515/64A GB2251564A GB1071683A GB 1071683 A GB1071683 A GB 1071683A GB 22515/64 A GB22515/64 A GB 22515/64A GB 2251564 A GB2251564 A GB 2251564A GB 1071683 A GB1071683 A GB 1071683A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metallic products
- rolled metallic
- coils
- detecting faults
- differentially connected
- Prior art date
- 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
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/02—Investigating the presence of flaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR951234A FR1380662A (fr) | 1963-10-21 | 1963-10-21 | Procédé et dispositif de détection des défauts dans un produit laminé |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1071683A true GB1071683A (en) | 1967-06-14 |
Family
ID=8814809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22515/64A Expired GB1071683A (en) | 1963-10-21 | 1964-06-01 | Method of and device for detecting faults in rolled metallic products |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE648885A (fr) |
DE (1) | DE1473516B2 (fr) |
FR (1) | FR1380662A (fr) |
GB (1) | GB1071683A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983000561A1 (fr) * | 1981-07-28 | 1983-02-17 | Melgui, Mikhail, Aleksandrovich | Procede et dispositif de controle electromagnetique des proprietes mecaniques d'un objet ferromagnetique en mouvement |
DE3152919C2 (de) * | 1981-07-28 | 1987-09-17 | Inst Prikladnoj Fiz Akademii N | Verfahren und Vorrichtung zur magnetischen Pr}fungmechanischer Eigenschaften |
-
1963
- 1963-10-21 FR FR951234A patent/FR1380662A/fr not_active Expired
-
1964
- 1964-06-01 GB GB22515/64A patent/GB1071683A/en not_active Expired
- 1964-06-05 DE DE1964L0047971 patent/DE1473516B2/de active Granted
- 1964-06-05 BE BE648885D patent/BE648885A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE648885A (fr) | 1964-12-07 |
DE1473516A1 (de) | 1968-11-28 |
FR1380662A (fr) | 1964-12-04 |
DE1473516B2 (de) | 1976-05-06 |
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