Apparatus for severing a web
CA 1270749 C · Owner: A. Ahlstrom Corporation · Inventors: Snygg, Keijo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
57) Abstract, The invention relates to an apparatus intended to be used in connection with a paper or a board manufacturing machine to sever a web by a tape. In accordance with the invention the, tape (28) is made adhere to a reel drum (9) and wound spirally around said drum, whereby the tape (28) severs the web. The apparatus comprises a card holder (5) by which the tape is fed in between the Pope cylinder (8) and reel drum (9) and a, swing guide and tape cutting device on the opposite side of the winder.
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
- Granted June 26, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 2007.
- 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.