Fluid and paste dispenser

Details Fluid and paste dispenser Fluid and paste dispenser

1974-10-29

1976-10-05

Knowles, Allen N.

Dispensing

With discharge assistant

Container with follower

B67D 554

Patent

active

039840344

ABSTRACT:
A non-aerosol type fluid and paste dispenser wherein the fluid is contained within a housing which is sealed at the bottom and is provided with a dispensing valve at the top, which includes a piston member within the housing which engages the walls of the housing in sealing relation and which is axially movable between a raised position and a lowered position within the housing to compress the gases between the piston member and the bottom wall of the housing with means for releasably latching the piston member in its lowered position, said piston means pressurizing the fluid or paste in the portion of the housing between the piston and the valve upon release of the piston when in its lowered position of adjustment.

REFERENCES:
patent: 1303845 (1919-05-01), Blair
patent: 2373774 (1945-04-01), Murnane
patent: 3391829 (1968-07-01), Gregory
patent: 3471059 (1969-10-01), Moller et al.
patent: 3482738 (1969-12-01), Bartels
patent: 3731854 (1973-05-01), Casey

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