Liquid jet structure, ink jet type recording head and printer
CA 2278601 A1 · Owner: Fukushima, Hitoshi · Inventors: Fukushima, Hitoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid jet structure equipped with a nozzle (11) for jetting a liquid (6) characterized in that the flow passage (140 130) inside the nozzle is set in , such a fashion that its degree of affinity for the liquid (6) to be jetted varies depending on the flowing direction of the liquid. The straight moving property of the droplets can be improved and the diameter of the droplets can be stabilized by controlling this affinity. This liquid jet structure is suitable for an ink jet recording head.
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 January 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 2021.
- 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.