ATE316829T1 - Verfahren und vorrichtung zur herstellung eines geschweissten gasdichten und flexiblen rohrs - Google Patents
Verfahren und vorrichtung zur herstellung eines geschweissten gasdichten und flexiblen rohrsInfo
- Publication number
- ATE316829T1 ATE316829T1 AT00125604T AT00125604T ATE316829T1 AT E316829 T1 ATE316829 T1 AT E316829T1 AT 00125604 T AT00125604 T AT 00125604T AT 00125604 T AT00125604 T AT 00125604T AT E316829 T1 ATE316829 T1 AT E316829T1
- Authority
- AT
- Austria
- Prior art keywords
- strip
- spiral
- corrugated
- tight
- producing
- Prior art date
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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/122—Making tubes or metal hoses with helically arranged seams with welded or soldered seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Making Paper Articles (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999MI002753A IT1314350B1 (it) | 1999-12-30 | 1999-12-30 | Tubo flessibile saldato a tenuta di fumi,apparecchiatura perrealizzarlo e processo di produzione |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE316829T1 true ATE316829T1 (de) | 2006-02-15 |
Family
ID=11384231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00125604T ATE316829T1 (de) | 1999-12-30 | 2000-11-22 | Verfahren und vorrichtung zur herstellung eines geschweissten gasdichten und flexiblen rohrs |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1112787B1 (es) |
AT (1) | ATE316829T1 (es) |
DE (1) | DE60025790T2 (es) |
ES (1) | ES2258436T3 (es) |
IT (1) | IT1314350B1 (es) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB940888A (en) * | 1961-01-26 | 1963-11-06 | Rheinmetall Gmbh | Method of manufacturing threaded spindles |
US3721793A (en) * | 1971-07-19 | 1973-03-20 | Inst Elektroswarki Patona | Spiral-seam weld pipe and tube mill |
US3857159A (en) * | 1973-09-27 | 1974-12-31 | Pacific Roller Die Co Inc | Pipe forming method |
DE2645946C2 (de) * | 1976-10-12 | 1982-08-19 | Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim | Mehrlagiges Wellrohr für Abgasleitungen von Brennkraftmaschinen |
NL8702946A (nl) * | 1987-12-07 | 1989-07-03 | Dec Holding Bv | Werkwijze voor het vervaardigen van een dunwandige buis met glad binnenoppervlak. |
AT394149B (de) * | 1989-07-10 | 1992-02-10 | Moldrich Metallwaren Gmbh | Verfahren zur herstellung von rohren aus einem metallband |
-
1999
- 1999-12-30 IT IT1999MI002753A patent/IT1314350B1/it active
-
2000
- 2000-11-22 ES ES00125604T patent/ES2258436T3/es not_active Expired - Lifetime
- 2000-11-22 DE DE60025790T patent/DE60025790T2/de not_active Expired - Lifetime
- 2000-11-22 EP EP00125604A patent/EP1112787B1/en not_active Expired - Lifetime
- 2000-11-22 AT AT00125604T patent/ATE316829T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1314350B1 (it) | 2002-12-09 |
DE60025790T2 (de) | 2006-11-02 |
EP1112787A3 (en) | 2002-07-31 |
EP1112787A2 (en) | 2001-07-04 |
DE60025790D1 (de) | 2006-04-13 |
EP1112787B1 (en) | 2006-02-01 |
ES2258436T3 (es) | 2006-09-01 |
ITMI992753A1 (it) | 2001-06-30 |
ITMI992753A0 (it) | 1999-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |