Method of producing a sintered body, in particular a toothed-belt or chain wheel
CA 2223197 A1 · Owner: Miba Sintermetall Aktiengesellschaft · Inventors: Derflinger, Karl; Grundner, Alois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is described a method of producing a sintered body (1) having different cross-sections along a main axis (5) in, particular a toothed-belt or chain wheel by compression, moulding a sintering powder in the direction of the main axis (5) and subsequent sintering. To create advantageous manufacturing conditions, it is proposed that at least two partial bodies (6, 7), which can be form-fitted into each other in the direction of the main axis (5), are pressed from sintering powder, which partial bodies each form an axial portion of the sintered body (1) with different cross-sections and, that the separately pressed and possibly presintered partial bodies (6, 7) are jointly sintered after …
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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 December 2, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2019.
- 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.