Glass container body check detector

Details Glass container body check detector Glass container body check detector

1998-01-22

1999-04-20

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

3562394, 209526, G01N 904

Patent

active

058959114

ABSTRACT:
A glass container body check detector is disclosed which comprises a conveyor for conveying glass containers in a predetermined direction to an inspection station, a rotator for rotating a glass container at the inspection station about the axis of the glass container, and an inspection assembly for detecting a check in the body of the rotating glass container. The inspection assembly includes a diffuse light source for directing diffused light at the sidewall of the rotating glass container in a direction perpendicular to the predetermined direction of conveyance of the glass container, a pair of angularly related directed light sources located above the rotating container for focusing light through the container into coincident vertical lines of light on the sidewall of the container, from the top of the bottle to the bottom of the container, and a linear array camera located above the rotating glass container and focused on the coincident lines of directed light.

REFERENCES:
patent: 5637864 (1997-06-01), Nicks et al.
patent: 5729340 (1998-03-01), Griesbeck et al.

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