Method for casting steel ingots
CA 1070082 A · Owner: Bethlehem Steel Corporation · Inventors: Greenberg, Lawrence A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method for casting steel ingots. The ingot molds are coated on their inside walls with a finely divided slag forming material comprising a blend of various oxides and fluorides. The mold coating reduces the number of cracks and inclusions occurring at or near the surface of the steel ingot as it solidifies. -1-
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
- Granted January 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 1997.
- 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.