Weld metal deposit
CA 1065652 A · Owner: Esab Aktiebolag · Inventors: Nicholson, Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A weld metal deposit which is not subject to solidification cracks and which is highly wear-resistant, also to the hot wear to which hot forming tools are subjected. The weld metal deposit consists of an air-hardening alloy steel containing 0.55 to 2.0% carbon, 0.2 to 4.0% silicon 0.2 to 3.0%, manganeses, 4.0 to 6.5% chromium 2.5 to 15.0% columbium, 0 to 3.5% strong carbide formers other than columbium, 0 to 0.5% nickel and remainder iron, with or without incidental impurities. The choice of the contents of carbon and niobium is restricted by a provision concerning the relation between said contents.
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 November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 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.