Method and apparatus for producing a slurry for underwater placement
CA 1262458 C · Owner: Shimizu Construction Co. Ltd. · Inventors: Onoue, Atsuo; Tamaoki, Katsuyuki; Goto, Shigeru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for producing a slurry for underwater placement. The slurry is prepared by a mixer and the mixed slurry is then agitated by an agitator. Before underwater placement of the slurry bubbles in the, slurry is reduced. The apparatus includes a supplying device for supplying a hydraulic material and water in a predetermined ratio; a mixing device for mixing the hydraulic material and the water supplied from the supplying device to produce a slurry; an agitating device for receiving the slurry from the mixing device and for agitating the the slurry: and a deaerating device for receiving the agitated slurry from the agitating device and for deaerating the agitated slurry.
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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 October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
- 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.