Method for manufacturing a luminous tube for discharge lamp
US4746316A · kind A · utility
6Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1982 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Aug 17, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2237/765
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing a luminous tube for discharge lamp including sealing, in a closed container having a stream of a desired gas introduced therein, components of a luminous tube by means of the photo energy of a laser light such that the desired gas, at a predetermined pressure, is sealed within the luminous tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.