GB570512A - Improvements in or relating to under water welding - Google Patents
Improvements in or relating to under water weldingInfo
- Publication number
- GB570512A GB570512A GB2105643A GB2105643A GB570512A GB 570512 A GB570512 A GB 570512A GB 2105643 A GB2105643 A GB 2105643A GB 2105643 A GB2105643 A GB 2105643A GB 570512 A GB570512 A GB 570512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- volts
- voltage
- welding
- plates
- 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
- B23K9/0061—Underwater arc welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
- Arc Welding In General (AREA)
- Resistance Welding (AREA)
Abstract
570,512. Uniting by fusion. HUNTING, P. L., BOWRING, F. C., and BOOT, R. H. F. Dec. 15, 1943, No. 21056. [Class 83 (iv)] Overhead arc welding is effected under water by connecting the electrode to the positive terminal of an electric circuit connected to a supply which affords an open circuit voltage higher than that normal for welding in air, e.g. 80 to 100 volts, the voltage characteristics being so adjusted that the voltage falls rapidly with increase of current becoming about 30 volts with a welding current approximately 15 to 20 per cent less than that normal with the same size of electrode in air. The electrode may be provided with a thick flux coating and is held at an angle of about 30 degrees to the line of weld with the flux touching the work, so that a line weld may be completed by slight pressure on the electrode at right angles to the surface of the plates without moving the electrode along the seam. Two plates #" thick were lapped and overhead welded by a fluxcoated electrode having a core diameter of 5/32" and an overall diameter of 9/32" connected in a circuit having an open circuit voltage of 80 volts, the generator being such that on striking the arc the voltage fell to 30 volts with welding current of 160 amperes. Specification 559,033 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2105643A GB570512A (en) | 1943-12-15 | 1943-12-15 | Improvements in or relating to under water welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2105643A GB570512A (en) | 1943-12-15 | 1943-12-15 | Improvements in or relating to under water welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB570512A true GB570512A (en) | 1945-07-10 |
Family
ID=10156444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2105643A Expired GB570512A (en) | 1943-12-15 | 1943-12-15 | Improvements in or relating to under water welding |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB570512A (en) |
-
1943
- 1943-12-15 GB GB2105643A patent/GB570512A/en not_active Expired
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