Method and device for inspecting sidewall of bottle
CA 1304140 C · Owner: Katogi, Hisao · Inventors: Ishikawa, Kazushi; Yamamoto, Shinsaku; Katogi, Hisao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and a device for inspecting the sidewall of a bottle is disclosed. In the method and device for inspecting the sidewall of the bottle an, elongate illumination portion is moved to irradiate illumination light to the sidewall of the bottle to be inspected, an elongate observation portion moved synchronously with the elongate illumination portion to observe the illumination light transmitted through the sidewall of the bottle, and based on an image of the transmitted light, the presence of defects is judged. light blocking defects and refractional defects on the sidewall of the bottle can be detected with high precision.
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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
- 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.