Injection molding gate and cavity insert
CA 2603238 A1 · Owner: Gellert, Jobst Ulrich · Inventors: Gellert, Jobst Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gate and cavity insert for mounting in a mold the gate and cavity insert , having a rear surface with a recessed portion a front surface with a recessed , portion which partially forms a mold cavity a gate extending centrally , therethrough from the rear surface to the front surface to convey melt from a nozzle to the mold cavity, an encircling component surrounding and radially spaced from the gate, and a cooling fluid chamber surrounding the gate and defined between the gate and the encircling component the encircling , component defining a cooling fluid inlet and a cooling fluid outlet communicating with the cooling fluid chamber.
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 June 21, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 21, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2016.
- 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.