Device for heating an annular surface zone of a threadlike object
US4547650A · kind A · utility
47Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1983 |
| Grant date | Oct 15, 1985 |
| Priority date | — |
| Expiry date | Dec 8, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2205/67
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A heating device including a carbon dioxide laser beam directed towards a spherical mirror and then directed from an ellipsoidal mirror so as to concentrate the energy of said laser on a surface ring of a threadlike object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.