Water-blocked optical cable and process for the production thereof
CA 2841282 C · Owner: Prysmian Cavi E Sistemi Energia S.R.L. · Inventors: Consonni, Enrico; Ginocchio, Alessandro; Pizzorno, Massimo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a process for manufacturing an optical cable for communication. The optical cable for communication comprises at least one retaining element blocked with respect to the water propagation. The optical cable comprises in addition to the retaining element, at least two transmission elements housed within the retaining element and a water swellable yarn housed within the retaining element. The process comprises the steps of associating the transmission elements and the water swellable yarn together to form a bundle extruding the retaining element around the bundle wherein a powdery anti-friction agent is applied over the transmission elements in the step of …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 5, 2004 and granted September 13, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 5, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.