Method and apparatus for coating optical waveguide filaments

Details Method and apparatus for coating optical waveguide filaments Method and apparatus for coating optical waveguide filaments

C - Chemistry, Metallurgy

03

C

18/103, 18/771

C03C 25/18 (2006.01) C03C 25/10 (2006.01)

Patent

CA 1134574

ABSTRACT OF THE DISCLOSURE A method of coating an optical waveguide filament employing a sizing die having a tapered aperture terminaing in a sizing orifice and a guide cone having a tapered outer wall terminating in a tip which is disposed advacent said tapered aperture. The filament passes through an orifice in the tip of the guide cone and thereafter through the sizing die. The coating material flows into the channel formed between the tapered aperture and the tapered outer wall and contacts the filament in a region that is located between the guide cone tip and the sizing die orifice.

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