Process for manufacturing a blade of a cutting tool and product manufactured therewith
CA 2313434 A1 · Owner: Zwilling J.A. Henckels Aktiengesellschaft · Inventors: Grafe, Horst; Droese, Joachim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention pertains to a process for manufacturing a blade of a cutting tool, in, particular, a knife. In order to create a process with which influence is to be exerted in a targeted, manner on the technological material properties of the blade and material chipping to be avoided, as well as permitting economical manufacturing a process is proposed with the , invention that is characterized in that the blade base material is laser-treated in a first process step along a curve, contour determined by the later edge of the blade and in a second process , step, the edge of the blade is formed, in particular, cut to shape along the curve contour , determined by the later blade form …
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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 July 6, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2022.
- 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.