Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Fluid pressure discharge means
Patent
1982-04-23
1983-10-25
Love, John J.
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Fluid pressure discharge means
239349, 239355, 239371, B05B 724
Patent
active
044113870
ABSTRACT:
A manually-operated spray applicator for discharging a coating fluid is comprised of a receiving chamber having inlet and outlet ports for respectively admitting and discharging coating fluid under pressure developed by a jet of air issuing slightly upstream of the receiving chamber and created upon the manual stroke of an air-compression piston; a closed compression chamber isolated from the receiving chamber within which the airjet is developed; and a stroke-responsive sealing stem having a central airway with an air jet orifice in registration with the discharge area of the outlet port, which airway is in communication with the compression chamber; wherein the sealing stem is adjustably reciprocable along a line from a biased sealing position closing the outlet port at the beginning of a stroke on the piston, to a retracted position with the airjet removed to a preselected position slightly upstream of the outlet wherein the sealing stem returns to its sealing position prior to the completion of that stroke.
REFERENCES:
patent: 1809073 (1931-06-01), Schylander
patent: 2305269 (1942-12-01), Moreland
patent: 2923481 (1960-02-01), Pinke
patent: 3788526 (1974-01-01), Thornton
Allsop Jon I.
Stern Donald J.
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