Film guide system
CA 1296987 C · Owner: Posey, John L. · Inventors: Posey, John L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A guide system for improving the orientation of a web of film as it passes around a fill tube structure in a form, fill, seal packaging machine is provided. The guide system comprises at least two members removably coupled to the fill tube structure and so constructed and arranged that they increase the cross-sectional perimeter of the fill tube structure when they are secured thereto. The members cooperating with the fill tube structure to stretch the web of film as it passes around the fill tube structure. An improved apparatus for attaching fitments to a web of film and method is also provided.
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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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.