Slitter apparatus
CA 1236000 A · Owner: Goodrich(B.F.) Canada, Inc. · Inventors: Waring, Norman W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an apparatus to longitudinally cut a cord reinforced rubber sheet into at least two strips of tire ply stock while the sheet is being conveyed past the apparatus. The apparatus includes a slitting device that utilizes shear-type action to cut through the sheet by the interaction of rotating disc-like upper and lower slitters. The upper slitter is power driven while the lower slitter is rotated by frictional contact between the upper and lower slitter. The apparatus may include a trimming device for trimming a boundary strip of the sheet. The trimming device also utilizes shear-type action to trim the sheet by rotating disc-like upper and lower trimmers similar to the upper and …
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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
- 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.