Process for manufacturing boride dispersion copper alloys
CA 1188549 A · Owner: Kabushiki Kaisha Tokai Rika Denki Seisakusho · Inventors: Mizuno, Jiro; Ono, Koichi; Suzuki, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for manufacturing a boride dispersed copper alloy by preparing a metallic material having a surface portion comprising at least one of Al As, Cd, Co, Cr, Fe, Mg, Mo, Nb, Pt, Ta W and Zr, and copper or, an alloy thereof and diffusing boron into the surface, portion. The resulting material includes fine boride particles uniformly dispersed in the surface portion and is useful as a material for electrical contacts or sliding parts due to its high wear, adhesion and arc resistance and high electrical conductivity.
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 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
- 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.