Dispensing device
CA 1307773 C · Owner: Raufast, Charles · Inventors: Raufast, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 6201/B160(2), ABSTRACT OF THE DISCLOSURE DISPENSING DEVICE, The present invention relates to a rotary-type metering device making it possible to dispense granular substances consisting of fine particles which are difficult to handle. The metering device consists of a spherical core rotating around a horizontal axis inside a casing comprising a feed orifice and an outlet orifice. The spherical core comprises at least one cavity having an opening at the surface of the core, and sides and bottom within the core. This cavity has the shape of a volume consisting of two volumes of revolution, contiguous and coaxial, V1 and V2 with an axis, perpendicular to the axis of rotation of 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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.