Dispensing container with pressure fluid operated dispensing pum

Details Dispensing container with pressure fluid operated dispensing pum Dispensing container with pressure fluid operated dispensing pum

1978-03-06

1980-04-29

Spar, Robert J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

Measured discharge from one and indeterminate flow from another

222321, 222341, 222381, 222385, 239308, 239322, B67D 564

Patent

active

042002044

ABSTRACT:
A container for storing and dispensing a liquid product includes a pump operated by a reciprocable control member and associated with a pneumatic servo system. The actuation is achieved by supply of gas pressure, for example, from a reservoir of gas at a pressure of the order of 5 bars, and this is used to actuate the control member of the pump, for example a stepped piston incorporating a pressure multiplying effect. Much higher operating forces on the reciprocable control member can be achieved with this system than were possible by purely manual operation of the valve control member.

REFERENCES:
patent: 2325210 (1943-07-01), Swihart
patent: 2888208 (1959-05-01), Fedit
patent: 3128018 (1964-04-01), Corsette et al.
patent: 3455487 (1969-07-01), Crippen et al.
patent: 3675824 (1972-07-01), Hein
patent: 3882882 (1975-05-01), Preisie

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