Rotary apparatus
CA 1291416 C · Owner: Ernest R. Bodnar · Inventors: Bodnar, Ernest R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary cutting and forming apparatus for strip material, having rotatable upper and lower roll units the, units being connected for synchronous rotation each of, the units having a carrier member with at least one recess extending parallel to its central axis and at, least one die support block, the block being rotatably received within the recess, and having two ends and a, surface to which a die may be affixed leading and, trailing control pins on the block extending on parallel, spaced apart axes and leading and trailing cam surfaces, engaging respective leading and trailing control pins to, control the position of the blocks during at least part of their rotation.
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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
- 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.