Planar element and method for producing a planar element
CA 2400716 A1 · Owner: Bombardier Transportation Gmbh · Inventors: Carstensen, Hartmut; Meyer, Ina; Buchwald, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing a flat element (2) for vehicle bodies according to the sandwich construction technique. Said flat element comprises an outer cladding (4) and a hump plate (6) with edge sections (8, 10) located between them. According to the inventive method a first step , consists of at least partially bonding the edge sections (8 10) to the hump , plate (6) using a mechanical joining process. A second step consists of bonding the hump plate (6) to the outer cladding (4) by adhesion and a third step consists of at least partially joining the edge sections (8 10) to the , outer cladding (4) using a mechanical joining process. These measures result in a …
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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 February 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2023.
- 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.