Apparatus and methods for making multiple, complexly patterned extrudates
CA 2367988 A1 · Owner: Zietlow, Philip K. · Inventors: Van Lengerich, Bernhard; Jarl, Thomas M.; Weinstein, James N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus (10) and methods are disclosed where plastic extrudable food product is provided such as by an extruder or pump and is combined with another food product without intermixing to form a complexly patterned food product such , as by a pattern forming die (20). The cross-sectional area of the patterned food product is reduced from an inlet end (34) to an outlet end (36) by a factor of 4:1 to as much as 50:1 at an average convergence angle of 5 to 65~ while maintaining the cross-sectional pattern to form a reduced crosssectional patterned food product, and then is extruded through a die port having an opening equal to the reduced cross-sectional area to form a complexly …
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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 April 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 19, 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.