ADJUSTABLE HOLDER OF EXPANDABLE RESERVE OF OPTICAL FIBER MODULES USED FOR SUSPENSION BOXES OF TRANSIT-VERSION OPTICAL CABLES OPERATING AT SUBZERO TEMPERATURES Russian patent published in 2003 - IPC

Abstract RU 2198457 C2

FIELD: fiber-optic cables for operation at subzero temperatures. SUBSTANCE: adjustable holder for sufficient number of turns having reserve lengths of 2-3 m of optical modules of PBT (polybutileneterephtalate) (turns of twisted module bundles) ensures more favorable conditions (without internal stresses and attenuation increase) for optical fiber of transit-origin uncut modules operating at subzero temperatures down to -60 C because stiff metal support is provided for modules during expansion by means of adjusting device which prevents linear contraction of modules suffering subzero temperatures. EFFECT: eliminated increase of attenuation in optical fiber. 1 dwg

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RU 2 198 457 C2

Authors

Jushchenko N.I.

Komarov O.M.

Matveev E.A.

Sosulin G.V.

Dates

2003-02-10—Published

2000-09-13—Filed