Dispenser or sprayer with vent system

Details Dispenser or sprayer with vent system Dispenser or sprayer with vent system

1989-03-01

1990-09-25

Rolla, Joseph J.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222372, 222382, 239333, B67D 540

Patent

active

049587544

ABSTRACT:
A dispenser adapted to be connected to a container includes a first bore having an outlet for dispensing fluent material, a second bore containing a piston connected to a trigger for pumping the fluent material, and a third bore containing a vent opening and a piston for sealing the vent opening when the trigger is in the non-pumping position. A valve, spinner and springs in the first bore are unitarily formed from a plastic material.

REFERENCES:
patent: D240036 (1976-05-01), Tada
patent: D241543 (1976-09-01), Tada
patent: D242351 (1976-09-01), Tada
patent: D243333 (1977-02-01), Tada
patent: D256271 (1980-08-01), Tada
patent: 3701478 (1972-10-01), Tada
patent: 3797749 (1974-03-01), Tada
patent: 3897006 (1975-07-01), Tada
patent: 3913841 (1975-10-01), Tada
patent: 4072252 (1978-02-01), Steyns et al.
patent: 4153203 (1979-05-01), Tada
patent: 4191313 (1980-03-01), Blake et al.
patent: 4230277 (1980-10-01), Tada
patent: 4336895 (1982-06-01), Aleff
patent: 4350298 (1982-09-01), Tada
patent: 4558821 (1985-12-01), Tada et al.
patent: 4640444 (1987-02-01), Bundschuh
patent: 4669664 (1987-06-01), Garneau
patent: 4678122 (1987-07-01), Riglietti
patent: 4728009 (1988-03-01), Schmidt
patent: 4815663 (1989-03-01), Tada
patent: 4826052 (1989-05-01), Micallef

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