Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1992-10-20
1994-05-17
Kashnikow, Andres
Dispensing
With discharge assistant
Insertable cartridge or removable container
222 1, 222389, G01F 1100
Patent
active
053120280
ABSTRACT:
A single stroke pressure viscous liquid pump for discharging highly viscous and filled, abrasive liquids under pressure sufficient for spray coating a surface with such liquids. The device includes an upright liquid tank having an open upper end positioned atop a base plate of a frame in coaxial alignment spaced directly beneath a pressure cylinder which includes an axially movable ram having a piston at its lower end. The piston is sized to sealingly engage the inner surface of the tank whereby downward axial force generated by the ram is transmitted directly against the upper surface of the liquid within the tank. A discharge outlet near the bottom of the tank is connectable to a conduit and liquid spray nozzle for spray application of the pressurized liquid discharged from the tank outlet. Only a single downstroke of the ram is required at a very slow feed rate to empty the tank of liquid, thus eliminating virtually all heat buildup.
REFERENCES:
patent: 2003617 (1935-06-01), Toews
patent: 2221763 (1940-11-01), Ginter
patent: 2630248 (1953-03-01), Hinz
patent: 3904083 (1975-09-01), Little
patent: 3982669 (1976-09-01), Moore
patent: 4632281 (1986-12-01), Wold
patent: 4978042 (1990-12-01), Fidler
patent: 5178305 (1993-01-01), Keller
Kashnikow Andres
Kaufman Joseph A.
Prescott Charles J.
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