Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Plural holders for diverse materials
Patent
1976-12-15
1979-08-07
Scherbel, David A.
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Plural holders for diverse materials
222135, 2221445, 222318, 239112, B67D 560
Patent
active
041635230
ABSTRACT:
A multi-color paint dispensing system for one or more paint guns wherein a small, simple, color changing valve mechanism is disposed proximate the dispensing gun. The color changing valve mechanism comprises a body carrying a plurality of pressure responsive check valves which are connected to individual paint supply lines. A remote valve bank responds to selection signals to individually pressurize the paint supply lines, the line selected for pressurization being operative to unseat the check valve in the color changing valve mechanism and permit paint to flow to the dispensing gun or guns. The illustrated check valves employ annular seats having radially expansible O-rings disposed thereon, the O-rings normally closing the radial paint passage but being responsive to paint pressure to expand outwardly to permit fluid flow.
REFERENCES:
patent: 2244686 (1941-06-01), Garrison et al.
patent: 3348774 (1967-10-01), Wiggins
patent: 3443578 (1969-05-01), Hedin
patent: 3451422 (1969-06-01), Chorkey
patent: 3572366 (1971-03-01), Wiggins
patent: 3674205 (1972-07-01), Kock
patent: 3857405 (1974-12-01), Heideman
Scherbel David A.
Silverberg Fred A.
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