Nozzle for coating optical fibers

Details Nozzle for coating optical fibers Nozzle for coating optical fibers

1981-12-17

1983-12-13

McIntosh, John P.

Coating apparatus

Immersion or work-confined pool type

Work extending through pool-confining wall area

118DIG18, 118125, 425113, B05C 312, B05C 1102

Patent

active

044199589

ABSTRACT:
A nozzle used in the coating of optical fibers with a protective resin layer comprises an aluminum body split into two symmetrical halves with cavities which upon assembly form a frustoconical funnel terminating at its narrower lower end in a coaxially converging outlet port. The cavities are machined in solid aluminum blocks whereupon each block is anodized in sulfuric acid to form thereon an abrasion-resistant oxide layer with few, small pores which may be sealed by an aftertreatment in hot de-ionized water.

REFERENCES:
patent: 1551751 (1925-09-01), Kozack
patent: 2407337 (1946-09-01), Kolter
patent: 2980956 (1961-04-01), Whitehurst et al.
patent: 3574665 (1971-04-01), Basche
patent: 4180622 (1979-12-01), Burkhard et al.
patent: 4260650 (1981-04-01), Haderer et al.
Hackhe's Chemical Dictionary Fourth edition .COPYRGT.1969, revised and edited by Julius Grant, pp. 31,589 McGraw-Hill.

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