Automatic selection apparatus of sheet material
CA 1293276 C · Owner: Konishi, Kouji · Inventors: Miyake, Masayoshi; Konishi, Kouji; Hosono, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic selection apparatus of sheet material can automatically distinguish whether sheet materials such as sheets of paper are good or bad continuously. While the sheet materials are carried one by one in the direction perpendicular to the flowing direction in the manufacturing process or working process of the sheet materials with a leading edge thereof being held by a gripper an optical, type defect detection device detects a defect of the sheet material. accordingly, vibration of the sheet material is less and the defect can be detected exactly. A controller receives a signal of the defect detection device and drives a switching device which opens and closes the gripper at a …
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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 December 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 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.