Container closing machine having an improved air flushing system
CA 2022662 A1 · Owner: Klarl, Hermann · Inventors: Klarl, Hermann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container closing machine which includes bottle capping devices 2 that are raised and lowered a starwheel 12 that revolves together with the capping devices and centers the containers, there is a stationary air flushing device 1 which is supplied with non-oxidizing gas and is arranged on the outside of the orbital path followed by bottles as they are held in the pockets of the starwheel. The flushing device 1 has a lateral jet opening 3 opposite of the orbital path of the bottles and at a small clearance with respect to the starwheel in which the open mouths of the bottles extend. Flow chambers conduct the gas emitted from the discharge jet of the flushing device directly past a plurality …
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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 3, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 2012.
- 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.