Method and apparatus for reclaiming gas in a fiber draw furnace
US11981596B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Dec 20, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2205/91
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A fiber draw furnace includes a heated section configured to contain and heat a glass source from which an optical fiber is drawn. A lower extended muffle having a first end and a second end. A gas screen is coupled to the second end of the lower extended muffle configured to allow a gas to flow into the lower extended muffle. A reclaim cylinder is coupled to the lower extended muffle including an outer housing defining a reclaim chamber. A plurality of reclaim ports are tangentially coupled to the outer housing and an inner housing is positioned within the outer housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.