Coating processes – Measuring – testing – or indicating – Thickness or uniformity of thickness determined
Patent
1993-12-23
1995-07-25
Pianalto, Bernard
Coating processes
Measuring, testing, or indicating
Thickness or uniformity of thickness determined
427259, 427264, 427270, 427272, 427282, 4273855, 427402, 427555, 427596, B05D 306
Patent
active
054360277
ABSTRACT:
A method and apparatus for applying a coating design to selected portions of a surface (13) of a structure (14) including the steps of applying a maskant (18) to the surface (13), positioning a plurality of sensors (20) on the structure (14) around the surface (13), positioning a laser (22) at a distance from the surface (13), directing a laser beam (32) from the laser (22) to each of the sensors (20) as input to the sensors, and using output from the sensors (20) based on the input to determine the position of the laser (22) relative to the surface (13), scanning the perimeter of the selected portions (36) with a laser beam (34), including using the determined relative positions of the laser and the surface to guide the laser beam, to cut into the maskant (18) around the perimeter, peeling the maskant (18) away from the selected portions (36), and applying the coating to the selected portions.
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Campbell David P.
Pianalto Bernard
The Boeing Company
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