Method of joining structural elements by heating of a binder
CA 2000576 A1 · Owner: Elva Induksjon A.S. · Inventors: Larsen, Johan Ivar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for joining structural elements by heating of a binder, e.g. to form panel assemblies (21) for automobiles including applying to a first structural element (8,9) a binder (13) at locations thereof intended to form bonding contact with the corresponding locations on a second structural element, mating the second structural element (7) with the first structural element, and hemming an outer edge (8) of the first structural element about a corresponding edge of the second structural element to make the binder contact upper and lower faces of corresponding edges. The combination of the first and second structural elements is brought into contact with a plurality of heating elements …
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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 October 12, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 12, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 12, 2011.
- 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.