C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/8, 88/97
C03B 37/018 (2006.01) C03B 23/07 (2006.01)
Patent
CA 1149615
Abstract of the Disclosure A method of producing optical fibers having improved core roundness and core-clad axis concentricity. Prior to the step of forming a layer of core material on the inner surface of a bait tube, the tube is pressurized and heated and shrunk at least 1 mm and thereafter the pressure is increased to inflate the tube until the outside diameter thereof approximates that of the originally provided bait tube.
368836
Blaszyk Paul E.
Murphy Susan F.
Corning Glass Works
Gowling Lafleur Henderson Llp
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