Patent · US Active

Method and apparatus for reclaiming gas in a fiber draw furnace

US11981596B2 · kind B2 · utility

0Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2021
Grant dateMay 14, 2024
Priority date
Expiry dateDec 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.