Easy open beverage can - non-detach
CA 1113041 A · Owner: Continental Group, Inc. (The) · Inventors: Moller, Jens L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An easy opening beverage can wherein the closure is of the push-in type. The dispensing opening in the container is defined by a sealing ring into which there is engaged a peripheral flange of the closure member with the closure member being held initially with respect to the sealing ring only by a mechanical interlock. Pressure within the can tightly forces the closure member into sealing engagement with the sealing ring and normally prevents removal. A lever is connected to the sealing ring to effect distortion thereof and bleeding-off of pressure from within the can so as to relieve the holding pressure on the closure member, after which the closure member may be readily pushed into 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
- Granted November 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 1998.
- 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.