Powder feeding apparatus having an adjustable width and method for adjusting the feed width of the apparatus
CA 2349877 A1 · Owner: Rodenberger, Phillip R. · Inventors: Rodenberger, Phillip R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system are provided for adjusting a discharge width of a powder feeder (10). The system includes a supply hopper (12) that is spaced from the powder feeder. The powder feeder includes a receiving opening (22) and a discharge opening and at least one adjustable wall (26 28). Preferably, two , adjustable walls are provided. Movement of the two adjustable walls provides variations in the width of the discharge opening and therefore facilitates use of the powder feeder on target volumes or target areas having different widths. A rotatable auger brush (18) is in communication with the supply hopper for causing powder withdrawn from the supply hopper to be transported to the …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
- Filed November 4, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 4, 2021.
- 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.