Method and apparatus for monitoring and controlling the filling of receptacles with a determined weight of material
CA 1237106 A · Owner: Etablissements A. Bertaud · Inventors: Graffin, Andre J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary carrousel of a filling installation includes a plurality of filling stations each equipped with a volumetric dispenser whose volume may be varied by varying its dispensing time or the stroke of a piston in a cylinder. At least one of the filling stations includes a balance. As a receptacle passes through the filling installation in a filling station equipped with a balance, it is first weighed empty while the corresponding dispenser is filled, and it is then weighed continuously as the material is transferred from the dispenser to the receptacle. The actual weight of material dispensed is determined by comparing the full and empty weights of the receptacle. This weight is compared …
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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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 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.