Method of operating a printing press and apparatus
CA 1208491 A · Owner: Paper Converting Machine Company · Inventors: Ecker, Harold; Spencer, Harvey J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method of achieving rotary registration in a press having a helical gear-equipped central impression cylinder and a helical gear-equipped plate cylinder the, improvement characterized by orienting said plate cylinder year in a predetermined angular relation relative to a reference on said plate cylinder prior to installation on said press and, after installing said plate cylinder in said press, moving the said plate cylinder gear radially into engagement with the central impression cylinder gear.
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 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
- 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.