Method and device for fastening an auxiliary joining element to a sheet-shaped work piece and work piece that is provided with such an auxiliary joining element
CA 2374217 A1 · Owner: Profil Verbindungstechnik Gmbh & Co. Kg · Inventors: Muller, Rudolf
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 and a device for fastening an auxiliary joining element (2) to a sheet-shaped work piece (3). Said auxiliary joining element (2) is forced from one side into the work piece (3) with its base and deforms said work piece to a pot-shaped structure. The device is provided with a male mold (9) and a female mold (15) to deform the work piece. To this end the base interacts with the work piece (3) to form an undercut said undercut , being limited to predetermined dimensions. The female mold is provided with a recess (19) with wall sections that are positioned on levers (22). Said levers (22) are displaced to a working position when pressure is applied in the …
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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 May 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2022.
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Timeline
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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.