Spraying method and apparatus employed therefor
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United States of America Patent
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-
Jan 8, 1991
Grant Date -
N/A
app pub date -
Aug 15, 1986
filing date -
Aug 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spraying method wherein the distance between a spray apparatus and an article is measured by a distance measuring means provided on the spray apparatus, and a spraying condition in which a substance is sprayed is varied in accordance with the measured distance. Also disclosed is a spray apparatus which is suitable for carrying out the above-described method. The apparatus has a supply passage for a substance which is to be sprayed, a nozzle for jetting out the spray substance, and a control valve means provided within the supply passage and adapted to control the flow rate of the spray substance flowing out through the nozzle. A distance measuring means is provided integral with the spray apparatus in one unit, the means being adapted to measure the distance between the spray apparatus and an article and output a signal corresponding to the measured distance. The degree of opening of the control valve means is determined on the basis of the signal output from the distance measuring means.
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