DE2934886D2 - Method and apparatus for indicating and eliminating defects on metal slabs - Google Patents
Method and apparatus for indicating and eliminating defects on metal slabsInfo
- Publication number
- DE2934886D2 DE2934886D2 DE79EP7900009T DE2934886T DE2934886D2 DE 2934886 D2 DE2934886 D2 DE 2934886D2 DE 79EP7900009 T DE79EP7900009 T DE 79EP7900009T DE 2934886 T DE2934886 T DE 2934886T DE 2934886 D2 DE2934886 D2 DE 2934886D2
- Authority
- DE
- Germany
- Prior art keywords
- indicating
- eliminating defects
- metal slabs
- slabs
- eliminating
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Brushes (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Continuous Casting (AREA)
- Forging (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7801369A SE7801369L (sv) | 1978-02-06 | 1978-02-06 | Automatisk felindikering och felborttagning hos metalliska emnen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2934886D2 true DE2934886D2 (en) | 1980-12-18 |
Family
ID=20333880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE79EP7900009T Expired DE2934886D2 (en) | 1978-02-06 | 1979-02-06 | Method and apparatus for indicating and eliminating defects on metal slabs |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS55500087A (it) |
BE (1) | BE873928A (it) |
DE (1) | DE2934886D2 (it) |
DK (1) | DK47779A (it) |
FI (1) | FI790266A (it) |
FR (1) | FR2416081A1 (it) |
GB (1) | GB2035853A (it) |
IT (1) | IT1188753B (it) |
NL (1) | NL7900751A (it) |
NO (1) | NO790343L (it) |
SE (1) | SE7801369L (it) |
WO (1) | WO1979000592A1 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3002866A1 (de) * | 1980-01-28 | 1981-07-30 | Th. Kieserling & Albrecht, 5650 Solingen | Verfahren zur beseitigung von oberflaechenfehlern an wayrmgewalzten, metallischen profilen und langgestreckten gusswerkstuecken und anlage zur durchfuehrung des verfahrens |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1367783A (en) * | 1971-09-21 | 1974-09-25 | Impresa Bocami Di Garibaldo At | Automatic selective apparatus for scarfing semifinished products |
DD95542A1 (it) * | 1972-03-23 | 1973-02-12 | ||
DE2431173A1 (de) * | 1974-06-28 | 1976-01-15 | Graenges Staal Oxeloesund | Verfahren und vorrichtung zum produzieren von metallischen rohlingen, insbesondere stahlbrammen, die zumindest in einem vorbestimmten oberflaechenbereich im wesentlichen keine fehler aufweisen |
JPS514047A (en) * | 1974-07-01 | 1976-01-13 | Nippon Steel Corp | Kinzokuhenno hyomenketsukanbuteireho |
DE2439662C3 (de) * | 1974-08-19 | 1978-10-12 | Graenges Oxeloesunds Jaernverk Ab, Oxeloesund (Schweden) | Vorrichtung zum zerstörungsfreien Prüfen von metallischen Rohlingen auf Oberflächenfehler |
-
1978
- 1978-02-06 SE SE7801369A patent/SE7801369L/xx unknown
-
1979
- 1979-01-26 FI FI790266A patent/FI790266A/fi unknown
- 1979-01-31 NL NL7900751A patent/NL7900751A/xx not_active Application Discontinuation
- 1979-02-02 NO NO790343A patent/NO790343L/no unknown
- 1979-02-05 DK DK47779A patent/DK47779A/da unknown
- 1979-02-05 FR FR7902927A patent/FR2416081A1/fr not_active Withdrawn
- 1979-02-05 IT IT09335/79A patent/IT1188753B/it active
- 1979-02-05 BE BE193263A patent/BE873928A/fr unknown
- 1979-02-06 DE DE79EP7900009T patent/DE2934886D2/de not_active Expired
- 1979-02-06 GB GB7933353A patent/GB2035853A/en not_active Withdrawn
- 1979-02-06 JP JP50038379A patent/JPS55500087A/ja active Pending
- 1979-02-06 WO PCT/EP1979/000009 patent/WO1979000592A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
SE7801369L (sv) | 1979-08-24 |
GB2035853A (en) | 1980-06-25 |
WO1979000592A1 (en) | 1979-08-23 |
NL7900751A (nl) | 1979-08-08 |
FI790266A (fi) | 1979-08-07 |
JPS55500087A (it) | 1980-02-14 |
DK47779A (da) | 1979-08-07 |
BE873928A (fr) | 1979-05-29 |
NO790343L (no) | 1979-08-07 |
IT1188753B (it) | 1988-01-28 |
IT7909335A0 (it) | 1979-02-05 |
FR2416081A1 (fr) | 1979-08-31 |
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