Method and apparatus for cooling workpieces
CA 2114872 A1 · Owner: C.V.G. Siderurgica Del Orinoco, C.A. · Inventors: Briceno F. Ana Graciela; Lozano D. Luis Francisco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cooling a workpiece especially a, continuous rolled non-flat workpiece includes a cooling passage having an inlet for receiving the workpiece and an outlet for discharging the workpiece, the cooling passage having a central axis and further including an inlet for introducing a cooling medium to the cooling passage, and an outlet for removing the cooling medium from the cooling passage the cooling medium inlet, being arranged relative to the central axis of the cooling passage so as to induce a substantially helical flow of cooling medium around the central axis from the cooling medium inlet to the cooling medium outlet, the cooling medium outlet including a chamber having …
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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 February 3, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2016.
- 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.