JPS6358674B2 - - Google Patents
Info
- Publication number
- JPS6358674B2 JPS6358674B2 JP20449982A JP20449982A JPS6358674B2 JP S6358674 B2 JPS6358674 B2 JP S6358674B2 JP 20449982 A JP20449982 A JP 20449982A JP 20449982 A JP20449982 A JP 20449982A JP S6358674 B2 JPS6358674 B2 JP S6358674B2
- Authority
- JP
- Japan
- Prior art keywords
- welding
- welding nozzle
- steel pipe
- spiral
- changing
- 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
- 238000003466 welding Methods 0.000 claims description 150
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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)
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20449982A JPS5994587A (ja) | 1982-11-24 | 1982-11-24 | スパイラル鋼管製造設備における内面溶接装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20449982A JPS5994587A (ja) | 1982-11-24 | 1982-11-24 | スパイラル鋼管製造設備における内面溶接装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5994587A JPS5994587A (ja) | 1984-05-31 |
| JPS6358674B2 true JPS6358674B2 (enrdf_load_stackoverflow) | 1988-11-16 |
Family
ID=16491538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20449982A Granted JPS5994587A (ja) | 1982-11-24 | 1982-11-24 | スパイラル鋼管製造設備における内面溶接装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5994587A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11767934B2 (en) | 2013-05-23 | 2023-09-26 | Crc-Evans Pipeline International, Inc. | Internally welded pipes |
| EP3274125A4 (en) * | 2015-03-26 | 2018-12-12 | CRC-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
| US11458571B2 (en) | 2016-07-01 | 2022-10-04 | Crc-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
-
1982
- 1982-11-24 JP JP20449982A patent/JPS5994587A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5994587A (ja) | 1984-05-31 |
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