Method for supplying fluid to a rotating tube

Details Method for supplying fluid to a rotating tube Method for supplying fluid to a rotating tube

1981-06-01

1983-06-21

Fisher, Richard V.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 32, 427163, 427231, 427237, C03B 3707

Patent

active

043892310

ABSTRACT:
A sealed rotary joint and method are described wherein a purge fluid is passed over a tube rotating within an end cap and through a ball bearing component of the joint. A vapor stream including a vaporized glass forming precursor entrained in an oxidizing carrier gas is passed into a rotating optical fiber preform tube through a housing supporting the ball bearing. A stream of the oxidizing carrier gas at a pressure greater than the pressure of the vapor stream can act as the purge fluid.

REFERENCES:
patent: 4347069 (1982-08-01), Haney et al.

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