Patent · US Expired

Fiber optic cable

US5329606A · kind A · utility

38Cited by

5References

11Claims

0Family size

Assignee

Alcatel Kabel Norge AS · NO

Inventor

Jon Andreassen · Berlin, DE

Key dates

Filing date	Feb 5, 1993
Grant date	Jul 12, 1994
Priority date	—
Expiry date	Feb 5, 2013

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/4436
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This invention relates to a fiber optic cable construction for optical well monitoring systems, socalled FOWM cables. Such cables have to withstand high temperature, high hydrostatic pressure and an aggressive environment. The fiber optic FOWM cable comprises a first layer of elements stranded around a central core (6;16;24). At least one of said elements is constituted by a tube (4,5;12,13;22,23) within which there is loosely inserted an optical fiber element (2,3;14,15;26,27). The tube (4,5;12,13;22,23) has a diameter which is less than that of the other stranded elements (7;11;21) of the first layer, so as to provide mechanical protection of the tubes and optical fibers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.