High speed lightguide coating apparatus

Details High speed lightguide coating apparatus High speed lightguide coating apparatus

1984-03-02

1985-09-03

Morgenstern, Norman

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

427169, 4274345, 118405, 118420, B05D 506, B05D 118, G02B 514

Patent

active

045392269

ABSTRACT:
An apparatus for applying a coating on a lightguide fiber (60). The apparatus is comprised of a container (10) having the coating die (18) in the bottom portion thereof and a plurality of separating means (26--26) therein which divides the container into an upper chamber (12), a lower chamber (16) and at least one chamber (14) intermediate to the upper and lower chambers. Each separating means (26) is sealed to the inner surface of the container (10) at the outer edge portion and has a small, centrally located aperture (28) which is vertically aligned with the apertures in the other separating means and the coating die (18). Additionally, a means is provided for directing coating material (40), under pressure, into the lower chamber (16).

REFERENCES:
patent: 3473511 (1969-10-01), Metz et al.
patent: 4349587 (1982-09-01), Aloisio, Jr. et al.
patent: 4374161 (1983-02-01), Geyling et al.
patent: 4409263 (1983-10-01), Aloisio, Jr. et al.
patent: 4439467 (1984-03-01), Kassahun et al.

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