Method of manufacturing a metal lining and a metal lining manufactured according to the method
CA 1262891 C · Owner: Alfa-Laval Ltd. · Inventors: Edso, Lennart; Jonsson, Nils-Ake; Andersson, Jarl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses a method of manufacturing a metal lining for a plate heat exchanger and a metal lining manufactured according to this method. The method comprises plastic machining of a smooth plate such that a cylindrical part and at least one edge flange is formed. The metal lining comprises at least one cylindrical part and at least one but preferably two flanges.
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 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 14, 2006.
- 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.