DE69012598D1 - Verfahren und Vorrichtung zur Feststellung von Fehlerstellen in langen metallischen Streifen. - Google Patents
Verfahren und Vorrichtung zur Feststellung von Fehlerstellen in langen metallischen Streifen.Info
- Publication number
- DE69012598D1 DE69012598D1 DE69012598T DE69012598T DE69012598D1 DE 69012598 D1 DE69012598 D1 DE 69012598D1 DE 69012598 T DE69012598 T DE 69012598T DE 69012598 T DE69012598 T DE 69012598T DE 69012598 D1 DE69012598 D1 DE 69012598D1
- Authority
- DE
- Germany
- Prior art keywords
- metallic strips
- determining defects
- long metallic
- long
- defects
- 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 - Fee Related
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
-
- 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
- G01N27/9013—Arrangements for scanning
- G01N27/9026—Arrangements for scanning by moving the material
-
- 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
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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989010310U JPH089641Y2 (ja) | 1989-01-30 | 1989-01-30 | スチールベルトのクラック検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69012598D1 true DE69012598D1 (de) | 1994-10-27 |
DE69012598T2 DE69012598T2 (de) | 1995-01-19 |
Family
ID=11746672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69012598T Expired - Fee Related DE69012598T2 (de) | 1989-01-30 | 1990-01-30 | Verfahren und Vorrichtung zur Feststellung von Fehlerstellen in langen metallischen Streifen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5146163A (de) |
EP (1) | EP0381145B1 (de) |
JP (1) | JPH089641Y2 (de) |
KR (1) | KR970000282Y1 (de) |
DE (1) | DE69012598T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0523249B1 (de) * | 1991-02-04 | 1997-11-05 | Nkk Corporation | Magnetisches überprüfungsverfahren und gerät hiervon |
US5426362A (en) * | 1992-09-30 | 1995-06-20 | Ninnis; Ronald M. | Damage detection apparatus and method for a conveyor belt having magnetically permeable members |
US5512835A (en) * | 1992-12-22 | 1996-04-30 | Hughes Aircraft Company | Electrical probe and method for measuring gaps and other discontinuities in enclosures using electrical inductance for RF shielding assessment |
US5463201A (en) * | 1993-02-04 | 1995-10-31 | Generla Electric Company | Seam-tracking apparatus for a welding system employing an array of eddy current elements |
US6727691B2 (en) | 2000-06-26 | 2004-04-27 | Jentek Sensors, Inc. | High resolution inductive sensor arrays for material and defect characterization of welds |
DE102004044335A1 (de) * | 2004-09-09 | 2006-04-06 | Robert Bosch Gmbh | Verfahren zum Überwachen von redundanten Sensorsignalen |
JP4961816B2 (ja) * | 2006-04-18 | 2012-06-27 | 富士ゼロックス株式会社 | ベルト定着装置及びこれを用いた画像形成装置 |
FI20085451L (fi) * | 2008-05-14 | 2009-11-15 | Metso Paper Inc | Menetelmä ja laitejärjestely metallihihnan laadun tarkistamiseksi |
CN105675713B (zh) * | 2016-04-06 | 2018-08-07 | 山西慧达澳星科技有限公司 | 一种电梯曳引钢带无损检测装置及方法 |
CN107719790B (zh) * | 2017-10-20 | 2019-08-20 | 超威电源有限公司 | 一种打包带偏斜度在线自动检测装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2746012A (en) * | 1952-04-17 | 1956-05-15 | Tuboscope Company | Inductive electromagnetic inspection |
US2939963A (en) * | 1956-05-18 | 1960-06-07 | Ralph R Wegner | Photoelectric inspection apparatus |
GB1005816A (en) * | 1960-10-14 | 1965-09-29 | Gkn Group Services Ltd | Improvements relating to methods of and apparatus for the detection of flaws |
US3141952A (en) * | 1961-02-01 | 1964-07-21 | United Aircraft Corp | Electronic seam follower |
US3247453A (en) * | 1961-03-09 | 1966-04-19 | Api Instr Company | Magnetic flaw detector with exciting and sensing coils axially aligned on opposite sides of the material |
US3409779A (en) * | 1965-11-02 | 1968-11-05 | Appalachian Electronic Instr | Hole detector having logic circuitry for seam skipping |
SE301731B (de) * | 1966-02-24 | 1968-06-17 | Essem Metotest Ab | |
US3469182A (en) * | 1967-06-23 | 1969-09-23 | Gkn Group Services Ltd | Flaw detecting apparatus with mechanical scanning of detection means |
JPS52127289A (en) * | 1976-04-16 | 1977-10-25 | Bando Chemical Ind | Device for detecting longitudinal split in conveyer belt |
PL142267B1 (en) * | 1983-12-30 | 1987-10-31 | Akad Gorniczo Hutnicza | Apparatus for magnetically testing conveyor belts |
JPS63138259A (ja) * | 1986-12-01 | 1988-06-10 | Nkk Corp | 磁気探査法 |
US4808924A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils |
-
1989
- 1989-01-30 JP JP1989010310U patent/JPH089641Y2/ja not_active Expired - Lifetime
-
1990
- 1990-01-29 US US07/471,372 patent/US5146163A/en not_active Expired - Lifetime
- 1990-01-30 KR KR2019900000970U patent/KR970000282Y1/ko not_active IP Right Cessation
- 1990-01-30 DE DE69012598T patent/DE69012598T2/de not_active Expired - Fee Related
- 1990-01-30 EP EP90101815A patent/EP0381145B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0381145B1 (de) | 1994-09-21 |
EP0381145A2 (de) | 1990-08-08 |
JPH089641Y2 (ja) | 1996-03-21 |
KR970000282Y1 (ko) | 1997-01-13 |
JPH02101256U (de) | 1990-08-13 |
KR900014808U (ko) | 1990-08-02 |
US5146163A (en) | 1992-09-08 |
DE69012598T2 (de) | 1995-01-19 |
EP0381145A3 (en) | 1990-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69013790D1 (de) | Verfahren und Vorrichtung zur Positionsbestimmung. | |
DE3483911D1 (de) | Verfahren und vorrichtung zur detektion von bewegbaren objekten. | |
DE3585204D1 (de) | Verfahren und vorrichtung zur entdeckung eines objekts. | |
DE68907344D1 (de) | Verfahren und vorrichtung zur anzeige von urinbestandteilen. | |
DE69123519D1 (de) | Verfahren und Vorrichtung zur Bestimmung von Ionen | |
DE69329346D1 (de) | Vorrichtung und verfahren zur detektion und diskrimination von oberflächenfehlern | |
DE69018838D1 (de) | Verfahren und Vorrichtung zur Oberflächenanalyse. | |
DE69000870D1 (de) | Verfahren und vorrichtung zur abfallbeseitigung. | |
DE69010143D1 (de) | Testeinrichtung und Verfahren zur Bestimmung von Fructoasminen. | |
DE58906917D1 (de) | Vorrichtung und Verfahren zur Leckprüfung. | |
DE68924563D1 (de) | Verfahren und Vorrichtung zur Oberflächenanalyse. | |
DE69012321D1 (de) | Verfahren und vorrichtung zur identifikation von teilchen. | |
DE3889704D1 (de) | Verfahren und Vorrichtung zum Feststellen und Auswerten von Oberflächenrissen bei Werkstücken. | |
DE3863895D1 (de) | Verfahren und vorrichtung zur erzielung von seismischen messwerten. | |
DE3871451D1 (de) | Verfahren und vorrichtung zur sperrung von rissen in betonkonstruktionen. | |
DE68919256D1 (de) | Verfahren und Vorrichtung zur Ermittlung von Zelleigenschaften. | |
DE69429230D1 (de) | Vorrichtung und verfahren zur automatischen prüfung von proben | |
DE69020171D1 (de) | Verfahren und Vorrichtung zur Gewinnung von Parametern in der Prozesssteuerung. | |
DE69112090D1 (de) | Verfahren und Vorrichtung zur Messung von Musterdimensionen. | |
DE69008623D1 (de) | Verfahren und Vorrichtung zur Untersuchung von Oberflächenfehlern. | |
DE69017029D1 (de) | Verfahren und vorrichtung zur nichtzerstörenden prüfung. | |
DE69026862D1 (de) | Verfahren und Vorrichtung zur Detektion von Gerüchen | |
DE69014273D1 (de) | Verfahren und Vorrichtung zur Feststellung von Unreinheiten in Halbleitern. | |
DE59007108D1 (de) | Verfahren und Vorrichtung zur Lagebestimmung eines Objektes. | |
DE3764295D1 (de) | Verfahren und vorrichtung zur pruefung von faeden. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |