C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/027 (2006.01) C03B 37/029 (2006.01) C03B 37/15 (2006.01)
Patent
CA 2045349
The present invention relates to a process for drawing an optical fiber. The process includes drawing the fiber through a heating furnace which is located directly below the drawing furnace. A muffle tube is provided inside the heating furnace. The interior of the muffle tube is maintained in an atmosphere selected from the group consisting of an inert atmosphere, an atmosphere comprising oxygen gas and an atmosphere comprising hydrogen gas.
Ishikawa Shinji
Kanamori Hiroo
Ohga Yuichi
Yokota Hiroshi
Yoshimura Ichiro
Kirby Eades Gale Baker
Sumitomo Electric Industries Ltd.
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