Injection molding nozzle arrangement
CA 2233492 A1 · Owner: Stackteck Systems Limited · Inventors: Travaglini, Vincent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle arrangement for a plastic injection molding apparatus, said nozzle arrangement including a nozzle housing a nozzle, tip having a flanged end and a collar threadedly received by the nozzle housing for retaining the nozzle tip within the nozzle housing. The flanged end of the nozzle tip contacts the nozzle housing over a substantial portion of an inner face and a circumference of the flange to ensure good heat transfer and sealing between the nozzle tip and the nozzle housing. The collar has a sealing rib extending about its circumference which is closely spaced to an outer edge of the nozzle housing to further ensure against melt seepage.
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 March 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2020.
- 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.