Bottle thread imaging apparatus having a light seal means betwee

Details Bottle thread imaging apparatus having a light seal means betwee Bottle thread imaging apparatus having a light seal means betwee

1991-04-01

1992-06-30

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356240, H01J 4014

Patent

active

051265567

ABSTRACT:
A bottle thread inspection apparatus for inspecting a bottle thread arranged in a generally spiral configuration about the periphery of a bottle neck having a central longitudinal axis comprising: A light source for illuminating the bottle thread; a mirror assembly for reflecting light received from the bottle thread into an imaging lens assembly; an imaging lens assembly for focusing a full-length image of the bottle thread on a unitary image plane; a signal generating means for generating a data signal representative of the image of the bottle thread focused on the unitary image plane; and a data analysis device for analyzing the data signal based upon predetermined criteria for detecting flaws in the bottle thread.

REFERENCES:
patent: 4435641 (1984-03-01), Hajime
patent: 4758084 (1988-07-01), Tokumi et al.
patent: 4786801 (1988-11-01), Shay

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