Method of operation for rolling round sections having predetermined precise finished dimensions and group of rolling stands for carrying out the method
CA 2118295 A1 · Owner: Sms Schloemann-Siemag Aktiengesellschaft · Inventors: Hauck, Albert; Grimmel, Rudiger; Kleinefeldt, Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of operation for rolling round sections having predetermined precise finished dimensions in a group of adjustable rolling stands arranged following a wire rolling train and including two-high horizontal, vertical and horizontal rolling stands which are arranged closely one behind the other. In the first two rolling stands a pass reduction of between 14%, and 28% is carried out and the rolling speed is adjusted in such a way that only a low tension occurs, and in the last rolling stand, the pass reduction is 1% to 5% and the force of the drive of this rolling stand is limit-adjusted in such a way that the cross section of the rolled material is not reduced between the last rolling …
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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 October 17, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2016.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.