Composite material with carbon reinforcing fibres and its production process
CA 1329070 C · Owner: Rousseau, Gerard · Inventors: Rousseau, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Composite material with reinforcing carbon fibres and its production process. The composite material according to the invention has carbon reinforcing fibres (2) coated with a carbon coating (63 and then a SiC coating (8), embedded in a carbon-based matrix covered by an, outer silicon carbide layer (10) sealed by a silicon carbide coating, (14) then an aluminium or hafnium nitride coating (16) and finally an outer alumina coating (18). This stainless material can be used as a heat shield for space shuttles. (Fig. 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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.