Process and apparatus for pass-through wrapping
CA 1294530 C · Owner: Newtec International · Inventors: Martin Cocher, Jean Paul Charles; Velletaz, Alain Jean Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Processes and apparatus of this kind are of use for wrapping palletized loads on their vertical front side and rear surfaces. A vertical transverse film curtain which extends before the front surface of the load from two film reels having stationary vertical spindles and disposed on either side of a powered conveyor carrying the load is first produced by means of a transverse weld. The load moves towards the curtain. The curtain is deformed transversely substantially into a substantially U-shaped contour to cover the front and side surfaces of the load. The same stops when it has passed the reels. The curtain is deformed transversely on either side of the load to apply the film to the rear …
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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 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 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.