Equipment and method for cooling metal strips
CA 2116230 A1 · Owner: Suzuki, Masafumi · Inventors: Sato, Hideki; Seike, Takaya; Uchino, Shuzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an equipment and a method of cooling metal strips in a roll quenching equipment of a heat treating line, and is basically characterized by providing gas jet cooling equipment where two or more nozzle headers are disposed in the direction of the roll axis said cooling rolls via the metal strip the, nozzle headers being narrower than the metal strip and the nozzle, headers are movable along the moving direction of the cooling rolls and at least one of the nozzle headers is movable along the roll axis; and gas adjusting apparatus which adjusts pressure or flow rate of a cooling gas flowed into each nozzle header. In dependence upon such a structure, the nozzle …
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 June 22, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 22, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2015.
- 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.