Ball indenter utilizing fea solutions for property evaluation
CA 2452468 A1 · Owner: Lee, Hyung-Yil · Inventors: Lee, Hyung-Yil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automated indentation system based on finite element solutions or performing a non-destructive compression test by loading a compressive indentation load (P) and calculating a elastic modulus (E) and a yield strength (so), and a hardening exponent (n) from measured indentation depth (ht) and indentation load (P), and unloading slope (S). The system comprises a stepmotor control system (1), a measurement instrumentation (2) having a load cell (15), laser displacement sensor (17) for measuring the indentation depth and ball indenter (18), a data acquisition system (3) having an signal amplifier for amplifying and filtering signals from the load cell (15) and laser displacement …
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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 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 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.