Shielded arc welding using auxiliary voltage
US4618760A · kind A · utility
11Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1985 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | Jan 8, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/0678
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Shielded arc welding apparatus advances a consumable electrode towards a workpiece; applies a welding voltage between the electrode and the workpiece; and applies an auxiliary voltage between the electrode and the workpiece, whereby the auxiliary voltage initiates an arc between the electrode and the workpiece before the electrode engages the workpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.