EP1112787A3 - Gas-tight flexible welded pipe, apparatus for making same and manufacturing process - Google Patents
Gas-tight flexible welded pipe, apparatus for making same and manufacturing process Download PDFInfo
- Publication number
- EP1112787A3 EP1112787A3 EP00125604A EP00125604A EP1112787A3 EP 1112787 A3 EP1112787 A3 EP 1112787A3 EP 00125604 A EP00125604 A EP 00125604A EP 00125604 A EP00125604 A EP 00125604A EP 1112787 A3 EP1112787 A3 EP 1112787A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- spiral
- gas
- manufacturing process
- making same
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002184 metal Substances 0.000 abstract 3
- 238000003466 welding Methods 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 1
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)
- Examining Or Testing Airtightness (AREA)
- Making Paper Articles (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI992753 | 1999-12-30 | ||
IT1999MI002753A IT1314350B1 (en) | 1999-12-30 | 1999-12-30 | SMOKE SEALED FLEXIBLE HOSE, PERREALIZE EQUIPMENT AND PRODUCTION PROCESS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1112787A2 EP1112787A2 (en) | 2001-07-04 |
EP1112787A3 true EP1112787A3 (en) | 2002-07-31 |
EP1112787B1 EP1112787B1 (en) | 2006-02-01 |
Family
ID=11384231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00125604A Expired - Lifetime EP1112787B1 (en) | 1999-12-30 | 2000-11-22 | Apparatus and manufacturing process for making a gas-tight flexible welded pipe |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1112787B1 (en) |
AT (1) | ATE316829T1 (en) |
DE (1) | DE60025790T2 (en) |
ES (1) | ES2258436T3 (en) |
IT (1) | IT1314350B1 (en) |
Citations (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 |
DE2645946A1 (en) * | 1976-10-12 | 1978-04-13 | Pforzheim Metallschlauch | Metal or plastic corrugated tubing - made by spirally overlapping together lengths of corrugated section tape or tube |
NL8702946A (en) * | 1987-12-07 | 1989-07-03 | Dec Holding Bv | Mfg. thin-walled aluminium tube - which has smooth walls formed by stripp of flexible foil wound up on mandrel, possibly in overlapping parts, helically, or in continuous stri |
EP0408538A2 (en) * | 1989-07-10 | 1991-01-16 | MOLDRICH METALLWAREN, GESELLSCHAFT M.B.H. & CO. KG | Method of producing tubes from a metal strip |
-
1999
- 1999-12-30 IT IT1999MI002753A patent/IT1314350B1/en active
-
2000
- 2000-11-22 AT AT00125604T patent/ATE316829T1/en not_active IP Right Cessation
- 2000-11-22 DE DE60025790T patent/DE60025790T2/en not_active Expired - Lifetime
- 2000-11-22 EP EP00125604A patent/EP1112787B1/en not_active Expired - Lifetime
- 2000-11-22 ES ES00125604T patent/ES2258436T3/en not_active Expired - Lifetime
Patent Citations (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 |
DE2645946A1 (en) * | 1976-10-12 | 1978-04-13 | Pforzheim Metallschlauch | Metal or plastic corrugated tubing - made by spirally overlapping together lengths of corrugated section tape or tube |
NL8702946A (en) * | 1987-12-07 | 1989-07-03 | Dec Holding Bv | Mfg. thin-walled aluminium tube - which has smooth walls formed by stripp of flexible foil wound up on mandrel, possibly in overlapping parts, helically, or in continuous stri |
EP0408538A2 (en) * | 1989-07-10 | 1991-01-16 | MOLDRICH METALLWAREN, GESELLSCHAFT M.B.H. & CO. KG | Method of producing tubes from a metal strip |
Also Published As
Publication number | Publication date |
---|---|
IT1314350B1 (en) | 2002-12-09 |
ITMI992753A0 (en) | 1999-12-30 |
ITMI992753A1 (en) | 2001-06-30 |
ES2258436T3 (en) | 2006-09-01 |
EP1112787A2 (en) | 2001-07-04 |
EP1112787B1 (en) | 2006-02-01 |
DE60025790T2 (en) | 2006-11-02 |
DE60025790D1 (en) | 2006-04-13 |
ATE316829T1 (en) | 2006-02-15 |
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