Center heated die plate for underwater pelletizer
CA 2594463 C · Owner: Gala Industries, Inc. · Inventors: Fridley, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A center heated die plate for an underwater pelletizer radiates heat outwardly to the , extrusion orifices and die faces of the die plate thereby maintaining the die plate and extrusion , orifices at an elevated temperature to obtain optimum flow of molten polymer through the , extrusion orifices. In one embodiment a centrally located heating plate is , mounted in a recess on the upstream face of the die plate inwardly of the nose cone. In a second embodiment, a , cylindrical heating coil is placed in a hollow central core of the die plate between the nose , cone on the upstream side and an insulation plug or plate on the downstream side. Heating , leads extend through a single …
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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 January 20, 2006 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 20, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.