Optical fiber cable with fiber receiving jacket ducts

Details Optical fiber cable with fiber receiving jacket ducts Optical fiber cable with fiber receiving jacket ducts

G - Physics

02

B

G02B 6/44 (2006.01)

Patent

CA 2587364

Optical fiber cables with a central strength member encircled by a jacket having ducts which are disposed around the strength member and which receive one or more optical fibers with jacket material between the ducts and the outer surface of the jacket. The optical fibers are free to move in the ducts, and preferably, the optical fibers are tight buffered. Portions of the jacket intermediate the ducts connect to the strength member which resists longitudinal movement of the jacket relative to the core. However, the jacket can be separated from the core by manual pulling force after the jacket is axially and radially cut at a pair of diametrically opposite ducts. Preferably, the jacket has outer surface indicia showing the positions of the slots, and the cables can include water blocking materials.

L'invention concerne des câbles de fibres optiques présentant un élément de renforcement central enveloppé d'une gaine présentant des conduits qui sont placés autour de l'élément de renforcement et qui reçoivent au moins une fibre optique dotée d'une matière de gaine entre les conduits et la surface extérieure de la gaine. Les fibres optiques de l'invention sont libres de se déplacer dans les conduits, et de préférence, ces fibres optiques sont étroitement tamponnées. Des parties de la gaine intermédiaires au conduit sont reliées à l'élément de renforcement qui résiste au déplacement longitudinal de la gaine par rapport au noyau. Cependant, la gaine peut être séparée du noyau par une force de traction manuelle, une fois que la gaine est axialement et radialement coupée, à une paire de conduits diamétralement opposés. De préférence, la gaine présente une marque de surface extérieure indiquant les positions des fentes, et les câbles peuvent comprendre des matières de blocage d'eau.

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