GB1357880A - Arc welding torches - Google Patents
Arc welding torchesInfo
- Publication number
- GB1357880A GB1357880A GB5056570A GB5056570A GB1357880A GB 1357880 A GB1357880 A GB 1357880A GB 5056570 A GB5056570 A GB 5056570A GB 5056570 A GB5056570 A GB 5056570A GB 1357880 A GB1357880 A GB 1357880A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stem
- tube
- electrode
- torch
- core
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0284—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode working inside the tube
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
1357880 Welding by fusion FOSTER WHEELER JOHN BROWN BOILERS Ltd 14 Oct 1971 [23 Oct 1970] 50565/70 Heading B3R An internal bore arc welding torch comprises a torch body 12 within which an inner core 26 is rotatably journalled by means which includes a set of roller bearings 31, a stem 14 extending from the body and carrying a non-consumable electrode 16, the stem 14 being attached to and rotatable with the inner core, a motor 42 for rotating the core and stem during the making of a weld and a stationary welding current input 58, the set of roller bearings being arranged to act as a commutator for the supply of welding current to the stem and thus to the electrode. The stem comprises a ceramic sleeve 20 surrounding a copper core member 18 and is arranged to rotate within a metal locating tube 74 which fits within a tube to be welded. The tube 74 is held in place by an adjustable datum block 76 which serves to locate the electrode 16 accurately in the weld region. Inert shielding gas is supplied by a tube 61 and flows down the ceramic sleeve 20 to the electrode 16, and the block 26 and core member 18 may be provided with fins to assist in cooling of the torch by this flow of gas. Drive from motor 42 to the stem is transmitted by a gear-box 40 and bevel gears 46, 48.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5056570A GB1357880A (en) | 1970-10-23 | 1970-10-23 | Arc welding torches |
| FR7138099A FR2113143A5 (en) | 1970-10-23 | 1971-10-22 | |
| AU34906/71A AU460631B2 (en) | 1970-10-23 | 1971-10-22 | Improvements in arc welding torches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5056570A GB1357880A (en) | 1970-10-23 | 1970-10-23 | Arc welding torches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1357880A true GB1357880A (en) | 1974-06-26 |
Family
ID=10456385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5056570A Expired GB1357880A (en) | 1970-10-23 | 1970-10-23 | Arc welding torches |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2113143A5 (en) |
| GB (1) | GB1357880A (en) |
-
1970
- 1970-10-23 GB GB5056570A patent/GB1357880A/en not_active Expired
-
1971
- 1971-10-22 FR FR7138099A patent/FR2113143A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU3490671A (en) | 1973-05-03 |
| FR2113143A5 (en) | 1972-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |