Process for producing metallic chilled cast mold parts and their use
CA 1159627 A · Owner: Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) · Inventors: Krainer, Ekkehart; Kos, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process for the production of hard metallic cast molded parts with areas of increased wear resistance created by the incorporation of mold bodies in the casting mold which produces a local alloying effect with a smelt material, characterized in that a basic metal smelt of hard manganese steel and porous mold bodies are used these bodies, being formed by the foaming of fine particle ferroboron with an aqueous solution of alkali silicate.
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 January 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2001.
- 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.