Process for laser working in a tube, and working head for carrying out such process
US5227605A · kind A · utility
9Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1990 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Dec 27, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/28
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
For laser welding in tubes of small diameter, protective gas is passed into the working zone by two currents originating from points situated on either side of this zone and converging towards it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.