Extrusion apparatus for extruding continuous layer of extrudate
CA 2363110 A1 · Owner: Tatera, Gerald · Inventors: Ficke, Jonathan; Solberg, Bruce J.; Tatera, Gerald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for extruding and depositing an extrudate having a substantially continuous flow profile onto a substrate comprises dividing the extrudable fluid into a plurality of individual streams consecutively spaced along the width of the substrate, and then causing the individual streams of the extrudable fluid to widen widthwise and preferably connect just prior to being deposited onto the substrate. An extrusion apparatus has an inlet and an , outlet and comprises in its preferred embodiment, a housing having a cavity and a removable shim having a plurality of slits therethrough and sized for insertion into the cavity of the housing for a close-fitting relationship therewith such …
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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 February 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 9, 2022.
- 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.