Method and apparatus for painting highway markings

Details Method and apparatus for painting highway markings Method and apparatus for painting highway markings

1993-02-23

1994-03-15

Fields, Carolyn E.

Radiant energy

Luminophor irradiation

2504591, 2504611, 404 94, 118669, G01N 2164

Patent

active

052947980

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.

REFERENCES:
patent: 3046854 (1962-07-01), Wilson
patent: 3229660 (1966-01-01), McLucas et al.
patent: 5054959 (1991-10-01), Wilson et al.
patent: 5169262 (1992-12-01), Wilson et al.

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