Compound tool for hot-working
CA 1195475 A · Owner: Mannesmann Aktiengesellschaft · Inventors: Wessel, Otto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound tool is made from a powder-metallurgicallyprepared part, establishing the wear resisting zones onto which a carrier body is cast, preferably from steel. The novel method of preparing the tool permits more complex compound tools to be formed in an economical manner without the need for the separate parts to be accurately formed before attachment to each other.
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 October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 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.