Improved stretch head for facilitating the wrapping of palletized loads
CA 2414607 A1 · Owner: Frey, Michael R. · Inventors: Frey, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stretch head for facilitating the wrapping of palletized loads within packaging or wrapping film comprises a vertical downright, a carriage assembly movable along the vertical downright, a base plate mounted upon the carriage assembly and inclined with respect to a horizontal plane so as to have a first end thereof disposed at a higher elevation than a second opposite end thereof a supply roll of, wrapping or packaging film rotatably mounted upon the first higher end of the base plate, a pair of tension rollers mounted upon the base plate, a strain gauge roller mounted upon the base plate for receiving the wrapping film exiting from the tension rollers, a first idler roller mounted upon …
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
- Filed December 17, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2024.
- 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.