Gas mixture and welding method
US4999474A · kind A · utility
3Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1990 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Mar 27, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K35/38
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Gas mixture suitable for MAG welding at a high current using a rod filled with non-alloyed or low alloy steels, comprises 20 to 65% argon, 5 to 20% helium, and at least 30% CO.sub.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.