Container sealing surface inspection

G - Physics – 01 – N

Patent

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Details

G01N 21/90 (2006.01)

Patent

CA 2146095

Apparatus for inspecting the sealing surfaces of containers that includes a light source positioned to direct a narrow beam of light energy at an acute angle onto the sealing surface of a container as the container is rotated about its central axis. A light sensor is disposed to receive the narrow beam of light energy reflected from the sealing surface, and provides an output signal that varies as a function of position of incidence of the reflected light beam on the sensor. The sensor is coupled to associated electronics for providing information indicative of container height, and a signal for controlling separation of a container from the conveyor system when height of the container, warp or dip of the container sealing surface, or cocked finish at the container exceeds predetermined standards.

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