Sheet sensing device in a rotary printing press
CA 1080557 A · Owner: Heidelberger Druckmaschinen Aktiengesellschaft · Inventors: Becker, Willi; Wirz, Arno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes a sheet sensing device for use in a rotary printing press, preferably of the perfecting type. The device includes a plurality of sheet delivery drums equipped with grippers to grip the front edge of the sheets, as well as grippers to grip the back edge of the sheet. The area of the grippers which grip the back edge of the sheets is provided with sensing nozzles which are connected to a generator operated under pneumatic pressure via a feeder system. The feeder system includes a pressure guard between the pressure generator and the sensing nozzles.
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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
- 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.