Insulative coating for refractory bodies
CA 1301780 C · Owner: Rancoule, Gilbert · Inventors: Rancoule, Gilbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulative coating for the thermal protection of ceramic refractory bodies, such as submerged pouring nozzles, and like pieces used in continuous casting of molten steel and other metals. The coating is prepared as a slurry having a preferred composition comprising (by weight %) fused silica grains (30-85%); ceramic fibers (0-10%); binders (0-7%); frits (0-40%); and water (15- 30%). A refractory body, which preferably has a previously applied anti-oxidation glaze thereon is, employed at either ambient temperature or preheated to a temperature within the range of about 70-120°C and dipped, into the slurry composition for a controlled time period of between 5 to 60 seconds to achieve a …
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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.