B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
88/97.7
B29C 47/02 (2006.01) B29C 47/00 (2006.01) B29C 53/14 (2006.01) G02B 6/44 (2006.01)
Patent
CA 1277524
GROOVED SUPPORT MEMBER FOR OPTIC FIBERS Abstract of the Disclosure Making a grooved support member for optic fibers in which a control strength member is rotationally twisted alternately in one direction and then in the other at a position upstream from an extrusion head for extending a plastic sheath onto the strength member. The twist in the strength member effects degrees of twist in the sheath downstream from the extrusion head to cause grooves in the sheath, formed during extrusion, to follow sinuous paths.
531736
Smith Randall J.
Williams Robert J.
Austin Reginald J.
Northern Telecom Limited
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