Process and installation for eliminating by flotation impurities in the form of solid particles contained in a liquid
CA 1096515 A · Owner: Swemac, Societe Anonyme · Inventors: Hellberg, Enar V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process and to an installation for the elimination by flotation of impunities in the form of solid particles contained in a liquid. The installation comprises at least one flotation cell through which pass a flow of the said liquid to be purified and a stream of air in such a, manner as to form floating foams originating from the fixation of air bubbles on the impurities; the installation further comprises, upstream of the flotation cell at least one narrow mixing, chamber capable of permitting the passage of a thin layer of liquid to be purified and provided with a means capable of admitting the flow of air transversely of the layer of liquid over a path in 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 February 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 1998.
- 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.