Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work
Patent
1990-11-27
1993-04-20
Jones, W. Gary
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to attribute, absence or presence of work
118672, 118674, 118684, 118703, 118712, 118323, 356317, 2504611, 404 93, 404 94, B05C 500, E01C 2316
Patent
active
052039234
ABSTRACT:
A method and apparatus for painting traffic marking lines over old paint markings on road pavement is disclosed. The apparatus, normally installed on a marking vehicle having a paint gun and a paint supply, includes a detector which illuminates the pavement and utilizes a spectroscope to analyze the return inspection for the presence of one or more known preselected constituents of the old paint marking to control actuation of the valve on the paint gun and also track the old pavement marking. The apparatus also provides a paint gun delay function to account for the lead distance between detector and paint gun and enables the application of new paint markings directly over the old markings at a relatively high rate of vehicle speed.
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Burns Todd J.
Jones W. Gary
Research Derivatives, Inc.
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