ATE183309T1 - Verfahren und vorrichtung zur überwachung des kontakts zwischen zwei blechkanten - Google Patents
Verfahren und vorrichtung zur überwachung des kontakts zwischen zwei blechkantenInfo
- Publication number
- ATE183309T1 ATE183309T1 AT93401173T AT93401173T ATE183309T1 AT E183309 T1 ATE183309 T1 AT E183309T1 AT 93401173 T AT93401173 T AT 93401173T AT 93401173 T AT93401173 T AT 93401173T AT E183309 T1 ATE183309 T1 AT E183309T1
- Authority
- AT
- Austria
- Prior art keywords
- ultrasound signal
- contact
- metal sheets
- monitoring
- sheet edges
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000012544 monitoring process Methods 0.000 title 1
- 239000002184 metal Substances 0.000 abstract 6
- 238000002604 ultrasonography Methods 0.000 abstract 5
- 230000001902 propagating effect Effects 0.000 abstract 2
Classifications
-
- 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
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- 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
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/102—Number of transducers one emitter, one receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Controlling Sheets Or Webs (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9209670A FR2694633B1 (fr) | 1992-08-04 | 1992-08-04 | Procédé et dispositif de contrôle du contact de deux tôles placées bord à bord. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE183309T1 true ATE183309T1 (de) | 1999-08-15 |
Family
ID=9432608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT93401173T ATE183309T1 (de) | 1992-08-04 | 1993-05-06 | Verfahren und vorrichtung zur überwachung des kontakts zwischen zwei blechkanten |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0582492B1 (de) |
| AT (1) | ATE183309T1 (de) |
| DE (1) | DE69325958T2 (de) |
| ES (1) | ES2137235T3 (de) |
| FR (1) | FR2694633B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO994984L (no) * | 1998-10-14 | 2000-04-17 | Daido Steel Co Ltd | FremgangsmÕte for bestemmelse av sammenføyningsegenskaper for et metallrør |
| DE102004025935B4 (de) * | 2004-05-27 | 2009-03-19 | Daimler Ag | Verfahren zur Prüfung des Abstandes beschichteter Bleche für deren Schweissbearbeitung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436958A (en) * | 1965-10-11 | 1969-04-08 | American Mach & Foundry | Ultrasonic pipe testing method and apparatus |
| DE3134482A1 (de) * | 1981-09-01 | 1983-03-31 | Hoesch Werke Ag, 4600 Dortmund | Verfahren zur automatischen fertigungskontrolle langgestreckter werkstuecke |
| FR2594550B1 (fr) * | 1986-02-20 | 1988-07-01 | Gaz De France | Procede de detection des defauts presents dans les pieces metalliques et appareillage pour la mise en oeuvre de ce procede |
| JP2617945B2 (ja) * | 1987-08-14 | 1997-06-11 | 矢吉 肥後 | 接合部の非破壊検査方法 |
-
1992
- 1992-08-04 FR FR9209670A patent/FR2694633B1/fr not_active Expired - Fee Related
-
1993
- 1993-05-06 AT AT93401173T patent/ATE183309T1/de not_active IP Right Cessation
- 1993-05-06 DE DE69325958T patent/DE69325958T2/de not_active Expired - Fee Related
- 1993-05-06 ES ES93401173T patent/ES2137235T3/es not_active Expired - Lifetime
- 1993-05-06 EP EP93401173A patent/EP0582492B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69325958D1 (de) | 1999-09-16 |
| FR2694633A1 (fr) | 1994-02-11 |
| EP0582492B1 (de) | 1999-08-11 |
| ES2137235T3 (es) | 1999-12-16 |
| EP0582492A1 (de) | 1994-02-09 |
| FR2694633B1 (fr) | 1994-10-21 |
| DE69325958T2 (de) | 1999-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |