Sleeve for fixing optical cables
AssigneeFrance Telecom
InventorsAnn-Cecile Reau, Alain Petit, Daniel Lecoq
Life of this patent
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Abstract
A fixing sleeve for optical cables. According to the invention, said sleeve (10) comprises along a common axis (A), both a first portion (11) that is substantially cylindrical and a second portion (12) that is substantially conical, said first and second portions being pierced by an axial bore (13). The sleeve (10) carries along its entire length a continuous slot communicating with said axial bore (13), the slot comprising a longitudinal first slot (110) in the first portion (11) of the sleeve, and a spiral second slot (120) in the second portion (12) of the sleeve. The sleeve is applicable to laying optical cables inside buildings.
Claims6
1/ A fixing sleeve for optical cables, the sleeve being characterized in that it comprises, along a common axis (A), both a first portion (11) that is substantially cylindrical and a second portion (12) that is substantially conical, said first and second portions being pierced by an axial bore (13), and in that the sleeve (10) carries along its entire length a continuous slot communicating with said axial bore (13), the slot comprising a longitudinal first slot (110) in the first portion (11) of the sleeve, and a spiral second slot (120) in the second portion (12) of the sleeve.
2/ A fixing sleeve according to claim 1, characterized in that said first portion (11) of the sleeve (10) presents an end chamfer (111).
3/ A fixing sleeve according to claim 1 or claim 2, characterized in that said longitudinal first-slot (110) has an insertion flare (112) at its end.
4/ A fixing sleeve according to any one of claims 1 to 3, characterized in that said first portion (11) is slightly frustoconical.
5/ A fixing sleeve according to any one of claims 1 to 4, characterized in that said axial bore (13) presents an inside wall (14) that is irregular.
6/ A fixing sleeve according to any one of claims 1 to 5, characterized in that said sleeve (10) is made of elastomer.