Current conductor and a method for the production thereof
CA 1339686 C · Owner: Marila, Kyosti · Inventors: Tiainen, Tuomo; Marila, Kyosti
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of forming a joint of high electrical conductivity between a metallic contact piece (17) and a metallic form part (12) comprising a groove (16) or a recess. In order that a firm joint with good electrical conductivity could be provided between the contact piece and the form part the method according to the invention is mainly characterized in that the contact piece is a tubular body (17) attached to the form part (12) by friction welding whereby the tubular body is rotated about its longitudinal axis while the form part is pressed against the outer surface of the tubular body so that the tubular body is welded to the groove (16) or recess of the form part …
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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 February 24, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 2015.
- 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.