Apparatus for estimating residual life of blasting vessel, method of estimating residual life, and blasting facility
CA 2600513 C · Owner: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) · Inventors: Kitamura, Ryusuke; Asahina, Kiyoshi; Hamada, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The present invention aims at estimating a residual life of a blasting vessel. For the estimation a strain , gauge (30) is attached to a blasting vessel (10). The strain gauge (30) measures high-frequency repetitive strain caused in the blasting chamber (10) in each explosion. Strain waveform data obtained with the strain gauge (30) is analyzed to calculate the cumulative degree of fatigue damage due to a high-frequency repetitive load applied to the blasting vessel (10) in each explosion. A residual life of the blasting vessel (10) is estimated on the basis of a cumulative value of the cumulative degrees of fatigue damage.
Read the whole patent
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.
Why it's free to use
- Filed February 28, 2006 and granted April 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.