Coating apparatus – Gas or vapor deposition – Running length work
Patent
1985-10-31
1988-02-23
Bueker, Richard
Coating apparatus
Gas or vapor deposition
Running length work
118725, 118726, 427163, C23C 1654
Patent
active
047263199
ABSTRACT:
Apparatus for coating an optical fiber with a metal oxide coating material in vapor form, includes a coating chamber through which the fiber moves, the coating chamber including an inlet supplied with the coating material in vapor form, a circumferential passage for supplying the coating material to the fiber, a flow restriction passage in fluid communication between the inlet and the circumferential passage for supplying the coating material from the inlet to the circumferential passage, the flow restriction passage including a tortuous circumferential path through a plurality of circumferentially arranged orifices and a through a narrow gap, and an oil jacket containing heated oil surrounding the walls of the coating chamber for heating the same; an evaporator for supplying the coating material in vapor form to the inlet; and a heating assembly for supplying heated air to the evaporator to entrain the coating material and for supplying heated oil to the evaporator for heating the coating material and to the oil jacket of the coating chamber.
REFERENCES:
patent: 2893895 (1959-07-01), Claussen
patent: 2958899 (1960-11-01), Stein
patent: 3622369 (1971-11-01), Basche
Bright R. E.
Bueker Richard
M&T Chemicals Inc
Parker S. H.
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