Rewind apparatus for metal strips
CA 1212092 A · Owner: Perfecto Industries, Inc. · Inventors: Plank, J. Douglas; Enberg, Erik R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for simultaneously rewinding a plurality of metal strips which are cut from a wide metal strip or web and which provides for rewinding all of the strips into corresponding coils with a substantially constant and uniform tension within the strips. The rewinding apparatus of the invention eliminates the need for constructing a pit to accommodate progressive accumulations of the strips in a form of loops and assures that all of the coils are wound with substantially the same tightness.
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 September 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 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.