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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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
09.07.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | 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. |
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AbstractList | 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. |
Author | BAU', FABIO MARELLI, PAOLO |
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DocumentTitleAlternate | VERFAHREN UND GERÄT ZUR HERSTELLUNG EINES OPTISCHEN KABELS UND DERART HERGESTELLTES KABEL PROCEDE ET APPAREIL SERVANT A FABRIQUER UN CABLE A FIBRES OPTIQUES ET CABLE AINSI FABRIQUE |
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Notes | Application Number: EP19990958180 |
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RelatedCompanies | PIRELLI S.P.A |
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Snippet | Undesired and unforeseeable shrinkage may occur in a tube of plastic material containing optical fibres following its manufacture, especially during storage... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES |
Title | METHOD AND APPARATUS FOR MANUFACTURING AN OPTICAL FIBRE CABLE AND CABLE SO MANUFACTURED |
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