Thermally balanced nozzle
CA 2452812 A1 · Owner: Molnar, Scott · Inventors: Molnar, Scott
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle for an injection molding machine is provided. The nozzle includes a nozzle body and a heater. The nozzle body has a longitudinal axis and defines a melt channel that extends generally in an axial direction. The heater is thermally connected to the nozzle body for heating melt in the melt channel. The heater extends in the axial direction. The nozzle body is adapted to contact at least one injection molding machine component having a temperature that is lower than the temperature of the nozzle body during use. The nozzle body has a wall thickness between the heater and the melt channel. The wall thickness varies in the axial direction along the nozzle body so that melt flowing …
Read the whole patent
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 December 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2025.
- 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.