Boots – shoes – and leggings
Patent
1988-09-20
1991-02-12
Black, Thomas G.
Boots, shoes, and leggings
118696, 239 69, B05B 1214, G06F 1546
Patent
active
049929526
ABSTRACT:
A paint discharge rate control system includes a paint flow regulator provided in a paint supply line connecting a color changing valve group to a painting nozzle, a paint mass flow meter for measuring the mass flow rate of paint, provided in the paint supply line, and a control for controlling the paint flow regulator on the basis of a paint mass flow rate measured by the paint mass flow meter to control paint discharge rate. The control converts a measured paint mass flow rate measured by the paint mass flow meter into a volumetric flow rate, and controls the paint flow regulator during a push-out operation, in which the valves of the color hanging valve group are closed and a valve for supplying a washing liquid is opened, so that the paint remaining in the paint supply line is pushed out by the washing liquid at a paint discharge rate at which the paint is discharged during the main step of painting. The paint discharge rate control system is capable of controlling a painting machine so that paint is discharged always at an optimum paint discharge rate without requiring the setting of the density of a fluid, namely, paint or a washing liquid, that flows through the mass flow meter. Thus, the accuracy of controlling paint mass flow rate during the pushing out of the paint remaining in the paint supply line is improved, so that the paint remaining in the paint supply line is exhausted effectively to form a paint film having a uniform, appropriate thickness.
REFERENCES:
patent: 4592305 (1986-06-01), Scharfenberger
patent: 4593360 (1986-06-01), Cocks
patent: 4614300 (1986-09-01), Falcoff
patent: 4720801 (1988-01-01), Boll
Black Thomas G.
Mazda Motor Corporation
Ramirez Ellis B.
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