A method of applying a tube member in a stator slot in a rotating electrical machine
CA 2310596 A1 · Owner: Larsson, Bertil · Inventors: Larsson, Bertil; Rothman, Bengt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for mounting a tube member (24) in a space (23) having a shape corresponding to the shape of the tube member (24) the tube member (24) being , inserted into the space (23) after which a pressure medium is heated and pressurises the tube member (24) so that this softens and expands its outer , periphery assuming the shape of the limiting areas of space (23) after which , the hot pressure medium is replaced with or converted to a cold pressure medium which fills out the expanded tube member (24) and causes it to solidify and permanently assume this expanded shape and also a rotating electric , machine arranged in accordance with the method.
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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
- Filed November 27, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 27, 2020.
- 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.