Apparatus for severing sections from a web by transverse severingcuts at locations related to printed marks on the web
CA 1281634 C · Owner: Windmoller & Holscher · Inventors: Feld, Karl-Heinrich; Fischer, Herbert; Feldkamper, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for severing sections from a web by transverse severing cuts at locations related to printed marks on the web comprises a rotary cutter and feed rollers which are spaced apart, a differential transmission by which the feed rollers are operatively connected to the means for driving the rotary cutter, a servomotor for imparting a correcting rotation to said transmission a mark, detector for detecting the printed marks a sensor for de-, tecting the position of the rotary cutter and a controller, for controlling the servomotor in dependence on the deviation of the spacing of the printed marks from the predetermined web section length. In order to provide such an apparatus which has …
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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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.