An apparatus for filling packaging containers
CA 2130640 C · Owner: Tetra Brik Research & Development S.P.A. · Inventors: Fontanazzi, Paolo; Gustafsson, Per
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatuses for filling packaging containers often include some form of metering device which makes it possible to fill each packaging container with a predetermined quantity of contents. In the case of relatively freely flowing contents, an apparatus for simultaneous filling of a plurality of packaging containers can, according to the present invention be provided, via individual filler pipes with a single flowmeter (26) which is located in one, of the filler pipes and is operative to control filler valves (18) disposed in all, of the filler pipes. Given that each flow path includes a reducer (28) in the form of a washer displaying a predetermined throughflow area the flow, resistance in …
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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
- Filed August 22, 1994 and granted October 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 22, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 22, 2016.
- 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.