Continuous casting rolls and method of using
CA 2306571 A1 · Owner: Cadotte, Daniel J. · Inventors: Sears, James B. Jr.; Cadotte, Daniel J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roll for use in a continuous casting machine includes a roll body that is constructed and, arranged to be mounted for rotation in a guide segment area of a continuous casting machine, and, a generally cylindrical outer surface on the roll body. Preferably the outer , surface is fabricated, at least in part from an age-hardenable nickel-based alloy that includes in , weight percent, up to, 0.3% carbon about 5% to about 12% chromium, and about 10% to about 30% molybdenum. The roll exhibits superior high temperature strength and stability low , thermal expansion, and, superior oxidation resistance at temperatures that are typical during operation in a continuous, casting machine. A …
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 April 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 2022.
- 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.