Composite overhead stranded conductor

Details Composite overhead stranded conductor Composite overhead stranded conductor

1986-04-15

1989-06-20

Lee, John D.

G02B 644

Patent

active

048404535

ABSTRACT:
A composite overhead stranded conductor capable of accommodating a large number of coated fibers without having a large outside diameter, yet in which the transmission losses due to microbending are reduced. A protective tube is disposed around a spacer having a plurality of spiral grooves formed in its outer periphery for accommodating optical fibers. The optical fibers accommodated within each spiral groove are composed of a plurality of glass fibers having a primary coating layer and which are stranded together with a thin heat-resistant tape applied over the stranded fibers. The heat-resistant tape is applied longitudinally to the fiber strands, and wound therearound with overlapping side edges of the tape joined together. Otherwise the tape may be wound spirally around the fiber strands. Preferably, the tape has a melting point of not less than 200.degree. C. and a thickness of not more than 0.1 mm.

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patent: 4772091 (1988-09-01), Oestreich
Igarashi et al, "Composite Fiber-Optic Overhead Ground Wire", Proceedings of the International Wire & Cable Symposium, Cherry Hill, N.J., U.S.A., Nov. 18-20, 1980, pp. 312-321.

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