Coating apparatus – Control means responsive to a randomly occurring sensed... – Temperature responsive
Patent
1987-07-02
1988-04-19
Bueker, Richard R.
Coating apparatus
Control means responsive to a randomly occurring sensed...
Temperature responsive
118708, 118326, 427426, B05C 1110
Patent
active
047382198
ABSTRACT:
A coating apparatus comprising a composition feeder for delivering an unadjusted coating composition from a composition source 1 via a composition supply pipe 4, a solvent feeder unit for delivering a solvent from a solvent source 2, 3 via a solvent supply pipe 5, 6, a mixer 18 connected to the composition supply pipe 4 and to the solvent supply pipe 5, 6 for adjusting the viscosity of the coating composition, an applicator 19 for spraying the adjusted coating composition supplied from the mixer 18 and a temperature sensor 14 disposed in a coating booth 13, the solvent feeder unit being provided with a regulator 15 for controlling the supply of the solvent to a predetermined rate in response to a signal from the temperature sensor 14, the solvent feeder unit preferably comprising the two feeders for the high- and low-temperature solvent sources, the apparatus having the advantage that the amount of solvent to be admixed with an unadjusted coating composition can be automatically adjusted to a specified value in accordance with the internal temperature of the coating booth, so that the composition is readily adjustable to a proper viscosity by being mixed with a proper solvent according to variations in the internal booth temperature.
REFERENCES:
patent: 2763575 (1956-09-01), Bede
patent: 4019653 (1977-04-01), Scherer et al.
patent: 4173924 (1979-11-01), Bradshaw
patent: 4258656 (1981-03-01), Hallgren
patent: 4313369 (1982-02-01), Tsuruta et al.
patent: 4505945 (1985-03-01), Dubust et al.
patent: 4687686 (1987-08-01), Stofleth et al.
Bashore Alain
Bueker Richard R.
Kansai Paint Company Limited
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