Pressure coating of fibers

Details Pressure coating of fibers Pressure coating of fibers

1981-04-24

1983-02-15

Hoffman, James R.

Coating processes

Coating has x-ray, ultraviolet, or infrared properties

427163, 4274071, 4274072, 4274347, B05D 118, B05D 720, G02B 110, G02B 514

Patent

active

043741614

ABSTRACT:
Fibers, including optical fibers, are coated under pressure to reduce the amount of bubbles entrapped in the coating. Fluid coating material is directed radially toward the fiber, typically through a porous material or radial channels in a coating applicator. The passage diameter for the fiber is large enough to prevent contacting the fiber, while the pressure of the fluid coating material is high enough to substantially prevent air from entering the applicator. Fiber coating speeds up to at least several meters/second are possible.

REFERENCES:
patent: T963002 (1977-10-01), Albarino et al.
patent: 1454224 (1923-05-01), Schmidt
patent: 3837824 (1974-09-01), Siegmund
patent: 3960530 (1976-06-01), Iyengar
patent: 4073974 (1978-02-01), Albarino et al.
patent: 4116654 (1978-09-01), Trehu
patent: 4246299 (1981-01-01), Ohls
Eichenbaum, "Solution Application of Thick EVA Coatings onto Optical Fibers", Bell Telephone Labs Technical Memorandum 74-4542, (1974).

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