Method and device for placing a construction material in a liquid environment
CA 1234995 A · Owner: Etat Francais Represente Par Le Ministere De L'Urbanisme Et Du Logement: Laboratoire Central Des Ponts Et Chaussees · Inventors: Faucon, Didier; Perrier, Hubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous linear element is used in the form of a fine fibrous trap, delivered in a continuous manner by an ejector placed in a gaseous atmosphere established in an open-bottomed bell immersed in the liquid medium with its open bottom close to the deposition site of the construction material. A slurry of solid particles is injected into the fibrous trap when it is still in the gaseous atmosphere of the bell and the trap charged with said particles is then deposited on the construction site. The ejector can be part of a device for breaking up textile cable and is connected with a floating platform.
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
- Granted April 12, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 12, 2005.
- 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.