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Expired Canadian patentCanada

Apparatus for selecting and feeding web material

CA 1280775 C · Owner: A.W.A.X. Progettazione E Ricerca S.R.L. · Inventors: Nigg, Elias

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The apparatus for selecting and feeding web material (F1 F2, F3) from a plurality of supply bobbins (B1 B2, B3) of, web material having different characteristics comprises a, selecting and dispensing device arranged on a slide (7) horizontally movable to and fro with respect to the means (T) which finally feed the film to the packaging station (P) of the packaging machine. On said slide there are mounted indexing means (13, 18) adapted to selectively bring into operative alignment with the feeding means (T) one draw-and-guide unit (A1, A2, A3) which draws the selected film and delivers it to the feeding means (T). The operative engagement between the draw-and-guide units (A1 A2, A3) is, …

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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 February 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 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.
FiledNovember 19, 1986
GrantedFebruary 26, 1991
Term endedFebruary 26, 2008
Patent numberCA 1280775 C
Classification (IPC)B65B41/16 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 19, 1986Patent grantedFeb 26, 1991Term endedFeb 26, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.