Method of flame abrasion of glass preform
US5338327A · kind A · utility
5Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1992 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Jul 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B37/01237
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A glass preform for an optical fiber is flame abrased with an oxyhydrogen flame while vertically suspending and rotating the glass preform and relatively moving one or both of the glass preform and the oxyhydrogen flame, whereby a surface of the glass preform is smoothened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.