Stretch film wrapping device
CA 1279052 C · Owner: Highlight Industries, Inc. · Inventors: Riemenschneider, Paul Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stretch film wrapping device for rotatably supporting a roll of film and dispensing the film at a selected tension includes a base member a hub member, having a device for mounting a roll of stretchable film a shaft, a means for joining the shaft to the base and hub members to permit rotation of the hub member with respect to the base member. The means joining the shaft to the base and hub members includes a friction device for resisting rotation of the hub member with respect to the base member. The friction device includes a pair of friction surfaces mounted on the shaft. One of the friction surfaces is non-rotatably mounted to the base member and the other is non-rotatably mounted to …
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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.