Furnace walls suitable for use at high temperatures
CA 1082048 A · Owner: Etablissement Public Dit: Houilleres Du Bassin Du Nord Et Du Pas-De-Cais · Inventors: Marchasson, Maurice; Soubrier, Louis; Dondeyne, Alban
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 new furnace walls comprising recesses for the introduction of fluids characterized, in that they comprise:, - a strong refractory material - a shield of refractory metallic material - supports, - plates of disposable material anchor able to the said supports - and, in the recesses, devices for introduction and distribution of fluids, the said walls being particularly utilisable for furnaces which operate at an internal temperature of at least 900°C.
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 July 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 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.