Optical waveguides – Optical transmission cable
Reexamination Certificate
2005-12-06
2005-12-06
Kaveh, Kianni (Department: 2883)
Optical waveguides
Optical transmission cable
C385S101000, C385S106000
Reexamination Certificate
active
06973244
ABSTRACT:
The invention relates to a cable comprising at least two elongated elements chosen from a group consisting of steel tubes (1, 2), optical fibre cables (3), electrical cables (4), and combinations thereof, arranged side by side within a common outer cover (5) along the length of the line and where at least one of the elongated elements (1, 2) has a passive metal outer surface, said outer cover (5) allowing entrance of corrosive agent to the interstices between elements, characterized in that at least one of the elements (1,2) with passive metal outer surface is provided with an outer layer (1A,2A) formed of a material with open structure for water passage and having controlled thickness.
REFERENCES:
patent: 4701575 (1987-10-01), Gupta et al.
patent: 2002/0197029 (2002-12-01), Hershkowitz
patent: 2003/0026662 (2003-02-01), Vidal et al.
patent: 2004/0134662 (2004-07-01), Chitwood et al.
patent: 2004/0244982 (2004-12-01), Chitwood et al.
Kaveh Kianni
Nexans
Sofer & Haroun LLP
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