FR888491A - Apparatus for finding faults in iron parts - Google Patents
Apparatus for finding faults in iron partsInfo
- Publication number
- FR888491A FR888491A FR888491DA FR888491A FR 888491 A FR888491 A FR 888491A FR 888491D A FR888491D A FR 888491DA FR 888491 A FR888491 A FR 888491A
- Authority
- FR
- France
- Prior art keywords
- iron parts
- finding faults
- faults
- finding
- iron
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED79988D DE746226C (en) | 1939-03-08 | 1939-03-08 | Device for locating defects in iron workpieces using magnetic methods |
Publications (1)
Publication Number | Publication Date |
---|---|
FR888491A true FR888491A (en) | 1943-12-14 |
Family
ID=7063139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888491D Expired FR888491A (en) | 1939-03-08 | 1942-11-20 | Apparatus for finding faults in iron parts |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE746226C (en) |
FR (1) | FR888491A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE648323C (en) * | 1937-07-28 | Sperry Prod Inc | Device for finding cracks in magnetizable objects | |
DE642163C (en) * | 1937-02-24 | Bruno Suschyzki | Method for testing magnetizable materials for cracks and irregularities | |
US2031469A (en) * | 1933-02-17 | 1936-02-18 | Sperry Prod Inc | Method and means for detecting flaws |
-
1939
- 1939-03-08 DE DED79988D patent/DE746226C/en not_active Expired
-
1942
- 1942-11-20 FR FR888491D patent/FR888491A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE746226C (en) | 1944-12-16 |
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