Fluid container with dosage assembly

Details Fluid container with dosage assembly Fluid container with dosage assembly

G - Physics

01

F

210/17

G01F 13/00 (2006.01) G01F 11/26 (2006.01)

Patent

CA 1332926

A fluid container (1) with a dosage assembly (3) for delivering a metered amount of fluid through an outlet opening (32) when the container is turned 180°. The dosage assembly (3) comprises a plunger (20) moving during the metering of the dosage between a start position, providing a free passage for the fluid between the outlet opening (32) and the fluid in the container, and a position, where the plunger (20) blocks this passage and thus the outflow of fluid. Furthermore the dosage unit comprises a timer chamber (15) defined by the plunger (20) and having a timer aperture (16) for controlling the movement of the plunger (20) from its start position to its blocking position by means of the flow of fluid. The aperture (16) of the timer chamber (15) is connected with a passageway between the outlet opening (32) and the interior (19) of the container, and that the timer chamber (15) has a feed opening (18) being connected with the interior (19) of the container when the plunger (20) is in its start posi- tion. As a result the timer chamber is substantially momentarily filled with a fluid through the feed opening, when the container is turned 180° and gradually emptied during the movement of the plunger towards its blocking position so that the timer chamber is substantially empty when the plunger has reached its blocking position and the dosing process is finished. This causes the plunger to quickly drop to its start position, when the container is returned to its vertical position, as no fluid has to be dis- placed from the timer chamber. This enables a fast repetition of exact fluid dosages.

596415

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