Reel unwinder
CA 1279629 C · Owner: Materiels Equipements Graphiques · Inventors: Flament, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Reel unwinder for ensuring the continuous supply of an endless web comprising on a stand two spindles for two reels, one in course of being unwound and the other after the removal of the residue of used-up reel receiving, a full reel, means of maintaining a suitable web tension means acting on its spindle to accelerate the full reel to the linear unwinding speed, the end of the full reel receiving the strip of adhesive, means of laying the web from the nearly used-up reel onto the full reel in order to effect bonding between the webs, and knives for cutting the web coming from the used-up reel. The laying means consist of two applicator elements arranged on either side of at least one guide …
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 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.