Apparatus for detecting defects on a bottle mouth with a screw thread
CA 1268836 C · Owner: Tokumi, Akira · Inventors: Fukuchi, Hiroyuki; Tokumi, Akira; Ishikawa, Kazushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for detecting defects on a bottle mouth has an annular illuminator, a reflecting mirror for forming a planar image of the bottle mouth a CCD camera, for detecting the planar image and an operation unit for operating electric signals produced by the CCD camera to judge existence of the defects on the bottle mouth. Detecting operation of defects can be carried out instantly without rotating the bottle.
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 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
- 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.