BE839130A - Procede et dispositif de soudage interieur multifilaire de tubes a serpentins - Google Patents
Procede et dispositif de soudage interieur multifilaire de tubes a serpentinsInfo
- Publication number
- BE839130A BE839130A BE164803A BE164803A BE839130A BE 839130 A BE839130 A BE 839130A BE 164803 A BE164803 A BE 164803A BE 164803 A BE164803 A BE 164803A BE 839130 A BE839130 A BE 839130A
- Authority
- BE
- Belgium
- Prior art keywords
- multifilar
- internal welding
- coil tubes
- tubes
- coil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
- B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional seams helicoidal seams
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752509875 DE2509875C3 (de) | 1975-03-04 | 1975-03-04 | Verfahren und Anordnung zum Mehrdrahtinnenschweißen von Spiralrohren |
Publications (1)
Publication Number | Publication Date |
---|---|
BE839130A true BE839130A (fr) | 1976-07-01 |
Family
ID=5940672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE164803A BE839130A (fr) | 1975-03-04 | 1976-03-03 | Procede et dispositif de soudage interieur multifilaire de tubes a serpentins |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS51112464A (fr) |
BE (1) | BE839130A (fr) |
CA (1) | CA1053036A (fr) |
DD (1) | DD123276A5 (fr) |
DE (1) | DE2509875C3 (fr) |
IT (1) | IT1062153B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5268728B2 (ja) * | 2009-03-24 | 2013-08-21 | 日新製鋼株式会社 | スパイラル鋼管の製造方法 |
-
1975
- 1975-03-04 DE DE19752509875 patent/DE2509875C3/de not_active Expired
-
1976
- 1976-02-27 DD DD19160676A patent/DD123276A5/xx unknown
- 1976-03-03 CA CA247,061A patent/CA1053036A/fr not_active Expired
- 1976-03-03 BE BE164803A patent/BE839130A/fr not_active IP Right Cessation
- 1976-03-03 JP JP2302976A patent/JPS51112464A/ja active Pending
- 1976-03-03 IT IT6751076A patent/IT1062153B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2509875B2 (de) | 1976-12-23 |
IT1062153B (it) | 1983-06-30 |
DE2509875A1 (de) | 1976-09-16 |
CA1053036A (fr) | 1979-04-24 |
DE2509875C3 (de) | 1980-06-26 |
DD123276A5 (fr) | 1976-12-12 |
JPS51112464A (en) | 1976-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: MANNESMANNROHREN-WERKE A.G. Effective date: 19870331 |