Optical cable with tubular metal core and method of making same

Details Optical cable with tubular metal core and method of making same Optical cable with tubular metal core and method of making same

1997-11-25

2000-10-24

Healy, Brian

Optical waveguides

Optical transmission cable

Loose tube type

385100, 385110, 385111, 385112, G02B 644

Patent

active

061379344

ABSTRACT:
Optical cable comprising a reinforcing tube with diameter less than 7 mm, obtained from a metal strip gradually deformed until it assumes a final configuration with overlapping outer edges, at least one optical fiber arranged loosely in the tube, a water-blocking fluid occupying 75% of the useful internal area of the tube and a plastic sheath around the tube. The water-blocking fluid is deposited when the strip is curved with edges a predetermined distance apart.

REFERENCES:
patent: 4239336 (1980-12-01), Parfree et al.
patent: 4349243 (1982-09-01), Amano et al.
patent: 4371234 (1983-02-01), Parfree et al.
patent: 4372792 (1983-02-01), Dey et al.
patent: 4422718 (1983-12-01), Nakagome et al.
patent: 4479702 (1984-10-01), Pryor et al.
patent: 4508423 (1985-04-01), Winter et al.
patent: 5143274 (1992-09-01), Laupretre et al.
patent: 5238172 (1993-08-01), Le Davay
patent: 5263239 (1993-11-01), Ziemek
J.R. Osterfield et al., "An Optical Fibre Link in a Mountainous Environment", International Wire & Cable Symposium Proceedings, pp. 202-210, 1980.

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