B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/103, 88/97
B29D 11/00 (2006.01) B29C 47/02 (2006.01) B29C 47/28 (2006.01) B29C 47/88 (2006.01) C03C 25/10 (2006.01) C03C 25/18 (2006.01) G02B 6/44 (2006.01)
Patent
CA 1088263
IMPROVEMENTS IN OR RELATING TO DIELECTRIC OPTICAL WAVEGUIDES ABSTRACT OF THE DISCLOSURE A method of coating a fibre in which a sleeve of polymer is extruded, fibre is fed into the sleeve as it is formed, and the diameter of the sleeve is reduced by a drawing process to produce a sleeve of polymer which loosely envelops the fibre. We also provide a fibre having a tubular sleeve of polymer, the sleeve having its molecules orientated to lie longitudinally with respect to the axis of the fibre. The sleeve has relative strength in a longitudinal plane and relative weakness in a transverse plane.
252493
Post Office (the)
Ridout & Maybee Llp
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