Device for fastening an adhesive strip on the web end and on the paper roll formed by the web
CA 2046351 A1 · Owner: J. M. Voith G.M.B.H. · Inventors: Madrzak, Zygmunt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A support beam supports a box type beam on which there is located, essentially tangentially to the shell surface of a guide roll coordinated with it, a contact surface for the adhesive tape. Perpendicular to the contact surface a holding, slot for the adhesive tape is provided on the box-shaped beam. The adhesive tape protrudes out of this holding slot with a considerable part, of which the cover foil is removed. A blowing device or blowing channels with blowing orifices bend the part of the adhesive tape protruding out of the slot upward so that, with the support beam approaching the guide roll this, part of the adhesive tape practically is in contact with the contact surface. In this way, …
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
- Filed July 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2013.
- 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.