Head for laser working within a tube
US5132508A · kind A · utility
2Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Dec 27, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/282
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The tubular casing (3) of the working head (1) exhibits two windows, upstream (4) and downstream (5), opposite each one of which there is mounted a deflecting mirror, a partially reflecting mirror (12) and a totally reflecting mirror (14) respectively. A first optical focusing device (8) is mounted in front of the upstream mirror, and a second optical focusing device (13) is mounted between the downstream mirror and the image focus (11) of the upstream optical device. Application to the simultaneous performance of a plurality of circular welds in tubes of small diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.