Packing container and blank thereto
CA 1331592 C · Owner: Ab Profor · Inventors: Rydh, Niklas; Andersson, Thorbjorn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pocking containers and packing container blanks of the type used for the packaging of e.g. milk and juice often are of the so-called gable-top type, the top closure also serving as an opening arrangement with a pouring spout which can be folded out. The parts forming the pouring spout may be coated partly with a seal-preventing substance so as to make it possible for the pouring spout to be detached and let out in spite of the heat-sealing of the top. The seal-preventing coating in accordance with the invention is covered by a film which extends along the upper edge region of the packing container , which provides a better defined sealing strength, a tighter top seal, and protects the said …
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 August 23, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 23, 2011.
- 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.