METHOD AND APPARATUS FOR MANUFACTURING AN OPTICAL FIBRE CABLE AND CABLE SO MANUFACTURED

Undesired and unforeseeable shrinkage may occur in a tube of plastic material containing optical fibres following its manufacture, especially during storage when the tube is wound on a reel. As a result, there may be uncontrollable variations of the ratio between length of the tube and length of the...

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Bibliographic Details
Main Authors BAU', FABIO, MARELLI, PAOLO
Format Patent
LanguageEnglish
French
German
Published 09.07.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:Undesired and unforeseeable shrinkage may occur in a tube of plastic material containing optical fibres following its manufacture, especially during storage when the tube is wound on a reel. As a result, there may be uncontrollable variations of the ratio between length of the tube and length of the optical fibre contained therein ("excess fibre variation"). The present invention relates to a method and equipment for limiting the excess fibre variations in a plastic tube, by stretching the tube by a predefined amount during manufacturing. The present invention also relates to a plastic tube subjected to a predefined stretching, a cable comprising such a tube and the equipment suitable for manufacturing such tube.
Bibliography:Application Number: EP19990958180