Apparatus and method to measure and monitor the coating of objec

Details Apparatus and method to measure and monitor the coating of objec Apparatus and method to measure and monitor the coating of objec

1991-10-29

1993-07-20

Rosenberger, Richard A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

256379, G01B 1106

Patent

active

052298400

ABSTRACT:
An apparatus and method to measure, monitor control the coating of objects in a processing line including a camera to receive an image of the profile of the object before being coated, a second camera to receive an image of the profile of the object after being coated, and a means and method to compare the two images to determine the increase in volume of the object due to the coating. The comparing means is a microcomputer which calculates the increase in volume based on the two images, the speed of the object travelling along the processing line, and a form factor. The microprocessor compares the increase in volume of one object to the increase in volume of a second object to monitor and ensure a consistent coating thickness.

REFERENCES:
patent: 3187185 (1965-06-01), Milnes
patent: 4053234 (1977-10-01), McFarlane
patent: 4456379 (1984-06-01), Schumann et al.
patent: 4661985 (1987-04-01), Akutsu

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