Safety device for detecting electrode breakage
CA 2590809 C · Owner: Sms Siemag Aktiengesellschaft · Inventors: Schubert, Manfred
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 safety device (1) for detecting electrode breakage in an , electric arc furnace, wherein an electrode (6) is secured on an electrode support , arm (4), and wherein a conduit is filled with a medium under a constant pressure , and a pressure drop is produced at an electrode breakage which is detected as , an , alarm signal. Here the conduit (7a-d,3) is integrated in a protective component , that is arranged beneath the electrode support arm (4) thereon wherein in , case of , an electrode breakage the conduit (7a-d,3) is damaged by a produced electric arc , and the pressure drop takes place.
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, and the Claude kit works from them.
Why it's free to use
- Filed December 16, 2005 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 16, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.