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Expired Canadian patentCanada

Apparatus for separating webs of material into (two) part webs

CA 1317213 C · Owner: Focke, Heinz · Inventors: Focke, Heinz

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

in conjunction with Figure 1) Packaging machines are often supplied with a web of packaging material of double width. During transport the, web of material (11) is sub-divided into two part webs (12,13) by means of a central longitudinal cut. The exact run of the web of material (11) and of the part webs (12,13) is monitored by edge-sensing members (21; 25,26). Any deviations from the correct position are transmitted as error signal to web-adjusting members (24; 27,28). These are each equipped with two deflecting rollers (32,33 or 59,60 or 62,63) arranged at a distance from one another and intended for deflecting the web of material (11) or part web (12,13). The two deflecting rollers are …

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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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 3, 1988
GrantedMay 4, 1993
Term endedMay 4, 2010
Patent numberCA 1317213 C
Classification (IPC)B65B41/12 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 3, 1988Patent grantedMay 4, 1993Term endedMay 4, 2010

Sources & verification

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