Apparatus and method for filling a receptacle with a material
CA 1265485 C · Owner: Cozzoli Machine Company · Inventors: Ballester, Edwin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for applying sub-atmospheric pressure through a filter to pull material from a hopper laterally into a nonrotatable chamber at a presettable volume and after the chamber is filled blowing the material out of the chamber through the filter out of a discharge nozzle at the bottom of the chamber into a receptacle. In a preferred embodiment the material is a, pulverulent material which is fluent en masse and the material is aspirated into the measuring chamber by applying a subatmospheric pressure above a variably positionable head in the chamber which head has a filter in it through which the suction is drawn. After the chamber is filled, a super-atmospheric pressure is applied over …
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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 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
- 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.