CA1080813A - Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove - Google Patents
Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a grooveInfo
- Publication number
- CA1080813A CA1080813A CA274,579A CA274579A CA1080813A CA 1080813 A CA1080813 A CA 1080813A CA 274579 A CA274579 A CA 274579A CA 1080813 A CA1080813 A CA 1080813A
- Authority
- CA
- Canada
- Prior art keywords
- welding
- pipe
- blank
- current
- polarity
- 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
- 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
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/073—Stabilising the arc
- B23K9/0737—Stabilising of the arc position
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA341,274A CA1097748A (en) | 1976-03-24 | 1979-12-05 | Welding method for longitudinally seam welding a pipe blank from the inside using the metal arc welding process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3139376A JPS52114545A (en) | 1976-03-24 | 1976-03-24 | Welding method |
JP7277976A JPS52156149A (en) | 1976-06-22 | 1976-06-22 | Welding process |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1080813A true CA1080813A (en) | 1980-07-01 |
Family
ID=26369839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA274,579A Expired CA1080813A (en) | 1976-03-24 | 1977-03-23 | Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1080813A (de) |
DE (1) | DE2712027C3 (de) |
FR (1) | FR2345257A1 (de) |
GB (1) | GB1554523A (de) |
IT (1) | IT1104776B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5285042A (en) * | 1992-11-25 | 1994-02-08 | Fmc Corporation | Gas tungsten arc welding torch apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE104998C (de) * | ||||
DE617229C (de) * | 1930-11-04 | 1935-08-15 | Aeg | Einrichtung zum automatischen Lichtbogenschweissen mittels Gleichstrom |
DE645672C (de) * | 1933-12-14 | 1937-06-01 | Daimler Benz Akt Ges | Verfahren zur Herstellung der Schneidkanten von Schnittwerkzeugen mit weichem Grundmaterial mittels der elektrischen Lichtbogenschweissung |
-
1977
- 1977-03-07 GB GB944777A patent/GB1554523A/en not_active Expired
- 1977-03-18 DE DE19772712027 patent/DE2712027C3/de not_active Expired
- 1977-03-23 IT IT2159677A patent/IT1104776B/it active
- 1977-03-23 CA CA274,579A patent/CA1080813A/en not_active Expired
- 1977-03-24 FR FR7708856A patent/FR2345257A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2712027B2 (de) | 1981-05-14 |
FR2345257A1 (fr) | 1977-10-21 |
GB1554523A (en) | 1979-10-24 |
DE2712027A1 (de) | 1977-10-06 |
FR2345257B1 (de) | 1982-02-05 |
DE2712027C3 (de) | 1983-05-19 |
IT1104776B (it) | 1985-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |