Optical fiber draw furnace

Details Optical fiber draw furnace Optical fiber draw furnace

1992-03-05

1995-04-25

Reynolds, Bruce A.

Industrial electric heating furnaces

Resistance furnace device

Lining

373130, 373155, 219635, 266280, F27D 100

Patent

active

054105676

ABSTRACT:
An induction furnace for heating a portion of an optical preform in order to draw an optical fiber therefrom. The furnace includes a tubular susceptor which is disposed centrally within a housing. The electromagnetic field from a high frequency coil surrounding the susceptor is coupled to the susceptor to heat and reflow a portion of the preform. A cellular refractory tubular insulator is located between the coil and the susceptor.

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