Apparatus for opening sealed containers
CA 2099595 A1 · Owner: Dinnis, Samuel Thomas Amos · Inventors: Dinnis, Reinfrid Crymes; Dinnis, Samuel Thomas Amos
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for opening sealed containers especially containing, concentrated agricultural chemical solutions intended for dilution and spraying, consists of a seal rupturing element (14) and seal cutting elements (13) which, having pierced the seal cut it to, form sector-like flaps which are pressed back against the internal wall of the neck of the container. Preferably the apparatus, also includes means (28 18 and 15) to flush out the interior of the container. The apparatus may form part of industrial spraying equipment and may be mounted in the charging hopper whereby a, sealed container is presented inverted to the apparatus so that the contents flow by gravity to the hopper once the …
Read the whole patent
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 November 22, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 22, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2013.
- 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.