1977-12-15
1982-05-11
Lee, John D.
350320, G02B 514
Patent
active
043290183
ABSTRACT:
An optical telecommunications cable comprising an outer tube of circular cross-section made of aluminum covered with a plastics material and a plurality of strands of circular cross-section inside the outer tube, the strands being assembled tangentially to one another and each of the strands being constituted by an elementary circular structure covered by a tubular covering made of plastic material and reinforced by three strength members disposed at 120.degree. in the covering. The elementary circular structure comprises a substantially rectangular matrix structure, surrounded by compressible filler tapes made circular by being bound in a paper or plastic binding tape wound helically thereabout, the matrix structure being constituted by a plurality of tape components with ridges and troughs stacked and fastened to each other and including hexagonal cells containing respective optical conductors, each of the tape components being composed of two thin aluminum tapes with troughs, whose opposite surfaces are coated with polyethylene and are welded longitudinally by heat softening of the polyethylene.
REFERENCES:
patent: 3766307 (1973-10-01), Andrews, Jr.
patent: 3798099 (1974-03-01), Marcatili
patent: 3864018 (1975-02-01), Miller
patent: 3984172 (1975-10-01), Miller
patent: 4028081 (1977-06-01), Marcatili
patent: 4078853 (1978-03-01), Kempf et al.
patent: 4097324 (1978-06-01), Emmel
Lee John D.
Societe Anonyme Dite: Les Cables de Lyon
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