Method and apparatus for forming a reclosable package
CA 2053602 C · Owner: Custer, Richard G. · Inventors: Kosiorek, Richard R.; Tomic, Mladomir; Kolosso, Michael P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and an apparatus for applying a reclosable profile element and a tear strip element to a packaging film is disclosed. Packaging film is formed into a tubular form about a forming tube. The tubular shaped packaging film is advanced along the length of the forming tube and over a product fill tube having an outer perimeter less than the outer perimeter of the, forming tube. The packaging film is deformed to conform to the outer perimeter of the product fill tube. Excess packaging film made available due, to the differences in outer perimeters of the forming tube and product fill tube, is formed into a loop. A reclosable profile element is guided into the loop and, adhered to the …
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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 October 17, 1991 and granted October 16, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 17, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 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.