Metallurgical composition embodying hard metal carbides, and method of making
CA 1054401 A · Owner: Kennametal Inc. · Inventors: Nemeth, Bela J.; Burghardt, Alden M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hard wear resistant metallurgical composition which in general is a combination of tungsten, titanium nickel and, carbon and may include other elements such as chromium. In preparing the composition, tungsten carbide is admixed by milling with nickel and titanium and subsequently sintered. The titanium may react with carbon from the tungsten carbide and the released tungsten may alloy with nickel to form a tough binder. The characteristics of the end product may be tailored by controlling the proportions of the various components of the composition including adjustment of the amount of titanium added to the mixture. By this control, the end product may be made magnetic or non-magnetic …
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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 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.
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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.