Fluid discharging device

Details Fluid discharging device Fluid discharging device

1986-11-26

1989-01-03

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

With casing or support

222205, 222321, 222385, B67D 500

Patent

active

047950633

ABSTRACT:
A fluid discharging device has a cylinder having a first valve at one end of a suction chamber, and a cylindrical piston movably mounted in the cylinder. The piston has a second valve and a suction opening. A resilient element such as a coil spring is mounted between the cylinder and the piston so that the piston is generally biased against the cylinder. This valve mechanism is disposed in a collapsable container which contains a fluid. The cylinder is connected to an opening of the fluid container so that the first valve is exposed. The fluid discharging device can be disposed within a casing which has a refined appearance and includes an actuator for manually actuating the valve mechanism.

REFERENCES:
patent: 1982497 (1934-11-01), Cotchett
patent: 2133411 (1938-10-01), Zohe
patent: 3406909 (1968-10-01), Pfeiffer
patent: 3451597 (1969-06-01), Watson et al.
patent: 3507586 (1970-04-01), Gronemeyer et al.
patent: 4098434 (1978-07-01), Uhlig
patent: 4457455 (1984-07-01), Meshberg
patent: 4691849 (1987-09-01), Tada

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