High speed three-dimensional weaving method & machine
CA 2441418 C · Owner: 3Tex, Inc. · Inventors: Salama, Mahmoud; Mohamed, Mansour
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and machine for high speed formation of a three-dimensional woven fiber structure (10) having at least two warp yarn systems (12,14 16) having , approximately zero crimp, wherein the warp (12) and filling yarns (16) are noninterlacing with each other, and are secured as an integral fabric via at least one vertical or Z yarn system (12) and the warp yarn systems (12) provided to be positioned by harness frames (W1,W2,W3,W4). The 3-D woven fabric of the present invention is fabricated on a 3-D weaving machine having rapier filling insertion that provides filling yarns insertions in unique shed openings (22) in series to produce a complete filling insertion cycle for every …
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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 March 22, 2002 and granted January 11, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2024.
- 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.