Device for cutting a sheet material and process for its manufacture
CA 2079127 A1 · Owner: Gerhardt International A/S · Inventors: Grýnbjerg, Ib; Gerhardt, Jorgen; Grýnbjerg, Ib
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device is disclosed for cutting through cutting, into, perforating through or perforating into sheet material, such as papers, metal foils or plastic films more particularly a label material disposed on a backing material which is not to be impaired, by means of a cutting disk which is to be detachably and coaxially clamped between a dolly disk and a pressure disk and the outside diameter of which is somewhat greater than the outside diameter of the dolly disk and of the pressure disk. The cutting disk is of such small thickness that the cutting work or perforating work can be carried out with its peripheral surface.
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 September 25, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 2014.
- 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.