Filler means for charging containers
CA 1204713 A · Owner: Ex-Cell-O Corporation · Inventors: Rangwala, Badruddin K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract This disclosure illustrates and describes a filler valve assembly including a fluid pressure-activated upper control valve, a spring for urging the control valve closed a fixed lower flow control valve, a nozzle slidably mounted in the lower end of the valve body, a second spring for normally urging the nozzle into a capillary seal relationship with the lower flow control valve and spacer means, extending between the nozzle and the upper control valve. Upon receiving a measured volume of fluid under pressure from an external source, the upper control valve is opened causing the nozzle to move relative to the fixed lower flow control valve and thereby discharge a measured volume of …
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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 20, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 2003.
- 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.