Method of surfacing the heater of a furnace for optical fibre dr

Details Method of surfacing the heater of a furnace for optical fibre dr Method of surfacing the heater of a furnace for optical fibre dr

1986-02-06

1988-04-05

Childs, Sadie L.

Coating processes

Interior of hollow article coating

Coating by vapor, gas, mist, or smoke

427255, 4272553, 4273722, B05D 722, C23C 1640

Patent

active

047358262

ABSTRACT:
The method of surfacing the heater of a furnace for optical fiber drawing allows elimination of defects in the inner heater surface, which defects give rise to particle emission towards the preform. This is achieved by depositing a thin layer of a mixture of oxides compatible with the material composing the heater.

REFERENCES:
patent: 3093496 (1963-06-01), Demaison et al.
patent: 3178308 (1965-04-01), Oxley et al.
patent: 4042006 (1977-08-01), Engl et al.
patent: 4117802 (1978-10-01), Le Sergent et al.
patent: 4539224 (1985-09-01), Matsuhisa
patent: 4576836 (1986-03-01), Colmet et al.

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