G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/52 (2006.01) G02B 6/50 (2006.01)
Patent
CA 2350647
The present invention relates to a method and to an arrangement for installing in a duct optical fibre cable elements, such as combined groups of optical fibre ribbon cables. In order to enable the cable element to be blown into a duct (11), an optical fibre ribbon cable body (1) that has electrical contact devices provided at one end thereof and which comprises a plurality of optical fibre ribbons (2) placed one upon the other has been held together with helically wound elastic rape (3) with successive turns of the tape mutually overlapping. The external helical cross-surface thus obtained can be acted upon by a by-passing air stream, such as to drive the cable body forwards in the duct.
L'invention concerne un procédé et un agencement qui permettent d'installer dans une canalisation les éléments d'un câble à fibres optiques, tels que des groupes associés de câbles à rubans optiques. Afin de pouvoir introduire les éléments du câble dans une canalisation (11) en y insufflant de l'air, on dispose à l'une des extrémités de ladite canalisation un corps (1) de câble à rubans pourvu de contacts électriques et constitué d'une pluralité de rubans optiques (2) superposés, réunis par une bande élastique enroulée en spirale (3) de façon que ses spires successives se chevauchent. On peut ensuite agir sur la surface transversale externe ainsi obtenue en lui appliquant un flux d'air, par exemple pour faire avancer le corps du câble à l'intérieur de la canalisation.
Backstrom Goran
Serrander Hans
Ericsson Canada Patent Group
Telefonaktiebolaget Lm Ericsson
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