Brick casting method of stave cooler
CA 1303850 C · Owner: Koga, Yasuhide · Inventors: Takao, Hiroyuki; Kato, Yoichiro; Koga, Yasuhide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of producing a hearth stave cooler including a cooling pipe cast therein for cooling furnace walls of a blast furnace or the like and having refractory bricks on the working side of the stave cooler wherein, one of the upper and lower surfaces of each refractory brick to be brought into contact with molten iron is covered with a heat-insulating buffer material the other, surface is covered with metal wool and the back of each, refractory brick is preferably covered with the heat-insulating buffer material or the metal wool and then the molten iron is cast. - 19 -
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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
- 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.