Protective gas shroud for welding
US6037563A · kind A · utility
5Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1999 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Mar 1, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/001
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A protective gas shroud for welding is provided by: positioning an article into a chamber having an opening at the top to permit welding of the article; introducing argon into the body of the chamber to act as a protective gas shroud for the article during welding; introducing helium into the open top of the chamber to assist in maintaining a protective gas shroud around the article during welding; and welding the article within the protective gas shroud.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.