Cable with crevice corrosion protection

Optical waveguides – Optical transmission cable

Reexamination Certificate

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Details

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.

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