Method for through-repair of a composite structure with three skins and two core layers
CA 2624019 C · Owner: Airbus Operations Sas · Inventors: Marty, Jean-Claude; Bernus, Christophe; Fournie, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Repair portions (6, 20, 21, 22 et 23), established through two core layers (16, 19), for example as a honeycomb and three polymer skins (2, 3 17), including , two external skins and a middle skin inserted between the core layers in order to obtain a composite structure, are set up and the polymer is hardened in vacuum. A counter-form (8) is pressed onto one of the skins (2) in order to guarantee a good aspect and surface quality. According to the invention vents (24) , are provided through the middle skin (21) and possibly through the skin (2) receiving the counter-form for proper degassing of the underlying cellular core (20).
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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 September 27, 2006 and granted April 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 27, 2026.
- 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.