Coating apparatus – With vacuum or fluid pressure chamber
Patent
1975-07-22
1977-08-02
McIntosh, John P.
Coating apparatus
With vacuum or fluid pressure chamber
118 50, 118202, 118401, B05C 102
Patent
active
040389405
ABSTRACT:
A marking device comprising a storage tank for holding a quantity of liquid marking material, a horn at the lower end of the tank containing a passage in communication at one end with the interior of the tank within which liquid is maintained by the head of liquid in the tank, a plurality of marking blades at the distal end of the horn with which the opposite end of the passage is in communication for delivering liquid to the blades characterized in that there is a conductor connected to the upper end of the tank for maintaining a vacuum in the tank above the liquid therein and a regulator valve for controlling the vacuum.
REFERENCES:
patent: 1019048 (1912-03-01), James
patent: 2283193 (1942-05-01), Dixon
patent: 3208637 (1965-09-01), Heick
patent: 3522836 (1970-08-01), King
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