Bond for abrasive tools
CA 1054400 A · Owner: Vsesojuzny Nauchno-Issledovatelsky Institut Abrazivov I Shlifovania · Inventors: Ovseevich, Rima S.; Senkin, Gennady A.; Drui, Mark S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bond used in the manufacture of abrasive tools containing 3 - 75 wt.-% of copper, 15 - 90 wt.-% of chromium carbide; 0.01 - 10 wt.-% of a metal selected from the group including titanium vanadium, chromium, zirconium, niobium molybdenum, tungsten;, 1 - 30 wt.-% of a low-melting metal; 2 - 30 wt.-% of the metal belonging to the iron subgroup of VIII group of the periodic chart. The employment of the bond according to the invention for, example in the manufacture of drill bits from an abrasive material based on cube boron nitride has made it possible to drill rocks of VIII - XI categories of drilling capacity at a drill speed and bit meterage exceeding 1.5 - 2 times drill speed and bit …
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 15, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 1996.
- 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.