Compressed gas device for spraying a single dose of a fluid subs

Details Compressed gas device for spraying a single dose of a fluid subs Compressed gas device for spraying a single dose of a fluid subs

1993-06-16

1994-07-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Fluid pressure discharge means

239325, 239302, 239570, 222631, B05B 724

Patent

active

053280997

ABSTRACT:
A compressed gas device is disclosed for spraying a single dose of a fluid substance in finely divided form. The device comprises a tank containing the single dose having an inlet orifice for compressed gas, and an outlet orifice. The device further comprises a manually actuated gas pump having a gas supply communicating with the inlet orifice of the tank via an intermediate channel. The intermediate channel has a length of narrowed section that is closed in a sealed manner by a plug which is held in the narrowed section so that when the pressure of the gas supplied by the pump reaches a predetermined threshold, the plug is expelled towards the tank to open the intermediate channel. The device includes an abutment element to limit the displacement of the plug towards the outlet orifice of the tank of substance. The abutment element is constructed to guarantee that the compressed air can continue to floe through the outlet orifice when the plug is in its abutment position.

REFERENCES:
patent: 2223611 (1940-12-01), Gross
patent: 2515193 (1950-07-01), Chester
patent: 2718987 (1955-09-01), Kimball
patent: 2731299 (1956-01-01), Bramming
patent: 3127110 (1964-03-01), Reynolds
patent: 4017007 (1977-04-01), Riccio
patent: 4162749 (1979-07-01), Bennett
patent: 4294410 (1981-10-01), Gueret

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