Tandem arc welding head and a welding arrangement for overlapping arcs to a cold wire electrode
US10994362B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2011 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Jun 2, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/188
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An arc electric welding head comprising a first contact device housing a first duct for feeding a first electrode and providing electrical contact between a first power source and said first electrode, a second contact device housing a second duct for feeding a second electrode and providing electrical contact between a second power source and said second electrode, said first and second contact devices being electrically insulated from each other, said first and second ducts being parallel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.