Dispensing – With casing or support – Removable for discharge
Patent
1976-12-20
1979-04-03
Spar, Robert J.
Dispensing
With casing or support
Removable for discharge
222321, 222340, 222380, 222381, B05B 1100
Patent
active
041472802
ABSTRACT:
A device for dispensing fluids employs a manually actuated pump mounted in the neck of a conventional container. The pump includes a stationary piston and a shiftable cylinder which form a pump chamber. The piston includes a check valve which controls the fluid inlet to the pump chamber. The cylinder is spring biased in a direction which pressurizes the fluid in the pump chamber. An upwardly extending neck of the cylinder is exteriorly threaded and carries a discharge valve. A cap which fits over the container neck, cylinder neck and discharge valve has an internally threaded tubular portion which can be engaged with the thread on the cylinder neck. The cap can be turned with the threads engaged to lift the cylinder against the bias of the spring and draw fluid into the pump chamber. With the cap removed, the discharge valve can be opened to allow fluid in the pump chamber to flow through the cylinder neck and exit from the discharge valve.
REFERENCES:
patent: 1383379 (1921-07-01), Blain
patent: 1676358 (1928-07-01), Schott
patent: 1730684 (1929-10-01), Phillips
patent: 2031172 (1936-02-01), Maloney
patent: 3471065 (1969-10-01), Malone
patent: 3777945 (1973-12-01), Nozawa et al.
patent: 3792800 (1974-02-01), Capra et al.
patent: 3797748 (1974-03-01), Nozawa et al.
Handren Frederick R.
Spar Robert J.
Spatz Corporation
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