Method for bubble shearing
CA 1067220 A · Owner: Fmc Corporation · Inventors: Kyrias, Gilbert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for bubble shearing are disclosed in which nascent bubbles are formed by flowing gas through the very small capillary openings (no larger than about 100 microns in diameter) of a gas diffusing surface into a moving liquid that shears the nascent bubbles off as it moves past the capillary openings. Two main hydrodynamic features are disclosed for both the method and the apparatus:, 1. a partially developed laminar boundary layer growing in thickness in the downstream direction is established above a substantial number if not all of the capillary openings at which nascent bubbles are formed and sheared off. These openings are preferably located in close proximity to the …
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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
- Granted November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
- 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.