Dispenser for discharging a flowable medium

Details Dispenser for discharging a flowable medium Dispenser for discharging a flowable medium

1997-07-11

1999-03-09

Huson, Gregory L.

Dispensing

With discharge assistant

Plural

2223865, G01F 1100

Patent

active

058789200

ABSTRACT:
A dispenser for discharging a flowable medium, having an elongate storage container which receives the flowable medium, has an essentially constant inner cross-section, bears a manually actuable, suction-type discharge device at the top and contains a follow-on plunger which forms a base in the storage container and is in close contact with a dischargeable quantity of free-flowing medium. In order to provide a dispenser of the abovementioned type which is of simple construction and is subject to low wear, it is provided that the plunger is made up of a circumferentially closed-cell flexible foam, which has little or no capacity for adhesion, and is provided with a slightly oversized circumferential surface with respect to the inner cross-section of the storage container, with the result that the plunger can slide along the inner wall of the storage container.

REFERENCES:
patent: 5095700 (1992-03-01), Bolger
patent: 5389155 (1995-02-01), Lima

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