Defect inspection apparatus for bottles made of transparent material
CA 1252539 A · Owner: Hajime Industries Ltd. · Inventors: Yoshida, Hajime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A defect inspection apparatus for bottles made of transparent material in which a light source is located under a bottle made of transparent material and to be inspected for irradiating a bottom of the bottle, a photoelectric conversion sensor is installed above the month of the bottle for receiving such a light that enters the bottle from its bottom passes through the inside of the sidewall of the bottle and then is emitted upwards from the month of the bottel and an, electric processor is provided for electrically processing the responsive electrical signal from the photoelectric conversion sensor to thereby inspect defects of 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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
- 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.