Hub for an agitator having hollow blades and an internal heat-conveying fluid flow circuit
CA 1296712 C · Owner: Schmidt, Alain · Inventors: Cognard, Patrice; Bouchez, Alain; Schmidt, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IN THE CANADIAN PATENT AND TRADEMARK OFFICE PATENT APPLICATION, entitled: A HUB FOR AN AGITATOR HAVING HOLLOW BLADES AND AN INTERNAL HEAT-CONVEYING FLUID FLOW CIRCUIT in the name of: Alain Bouchez, et al. assignee: MORITZ ABSTRACT OF THE DISCLOSURE, In apparatus for mixing of kneading various substances hollow blades are connected to an agitator hub of the invention which comprises:, a fluted ring (9) threaded over the shaft (11) and carrying the roots (20) of hollow blades (2); an axial fastening liner (12) interposed between the shaft and the ring and held axially in position by a stopper; and at least one fluid flow circuit passing through the shaft and the ring and opening out into the …
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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.