Pump dispenser having a resilient reservoir and pumping chambers

Details Pump dispenser having a resilient reservoir and pumping chambers Pump dispenser having a resilient reservoir and pumping chambers

1993-01-29

1994-06-14

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Electrostatic type

Pressurized spray material

239333, 222190, 222207, 222509, B05B 5035, B05B 904

Patent

active

053202910

ABSTRACT:
A fluid dispenser is provided including a reservoir for a fluid material, at least one sealable chamber capable of receiving material from the reservoir, a closure valve device between the chamber and a fluid outlet from the dispenser and a pumping device for pressurizing any fluid material in the chamber, the chamber including at least one resilient wall portion arranged to be deformed by pressurizing of the fluid material.

REFERENCES:
patent: 3239151 (1966-03-01), Jokelson
patent: 3387789 (1968-06-01), Fedit et al.
patent: 3406909 (1968-10-01), Pfeiffer
patent: 4088425 (1978-05-01), Bennett
patent: 4322020 (1982-03-01), Stone
patent: 4402431 (1983-09-01), Wiegner et al.
patent: 4801046 (1989-01-01), Miczka
patent: 4936492 (1990-06-01), Amiel et al.
patent: 5205441 (1993-04-01), Andris
patent: 5221050 (1993-06-01), Jeffries et al.

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