Machine for inspecting the shape of a container having a two dim

Details Machine for inspecting the shape of a container having a two dim Machine for inspecting the shape of a container having a two dim

1992-12-22

1994-01-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356240, G01N 904

Patent

active

052801705

ABSTRACT:
An inspection machine for inspecting the outer surface of a vertically standing container comprising a transparent convey for conveying a vertically standing container through an inspection location. The support conveyor includes a diffuser plate located to be beneath a conveyed container at the inspection location. A beam of collimated light is directed vertically downwardly towards the diffuser plate, and a two-dimensional camera axially views the bottom of the container above the diffuser plate, and the image is processed to evaluate the circumference of the container.

REFERENCES:
patent: 4786801 (1988-11-01), Shay
patent: 4959537 (1990-09-01), Kimoto et al.
patent: 5114230 (1992-05-01), Pryor

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