Self-adjusting packaging machine
CA 1261728 A · Owner: The Mead Corporation · Inventors: Feliks, James J.; Culpepper, Will L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A packaging machine for applying a film over the articles in an open top tray and bonding the film to the tray side walls. A plurality of unconnected flight bars are mounted for free movement around an endless path. Each tray and film is captivated between adjacent flight bars as they move along a compression portion of the endless path. A feed conveyor individually feeds the flight bars into one end of the compression portion of the endless path to captivate the trays and to push the released flight bars along the compressive portion of the endless path through the captivated trays so that different size trays are automatically accommodated. The flight bars are returned to the feed …
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.