Importance

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Abstract

A liquid purifying attachment for dispensing a liquid from a container, which includes a cylinder fluid-tightly attached to the container, and a piston fluid-tightly fitted in the cylinder bore such that the piston is slidably movable between a retracted and an advanced position, relative to the cylinder. The piston and the cylinder define a cylinder chamber into which ambient air is introduced upon movement of the piston toward the advanced position. The introduced air is compressed and fed into the container upon movement of the piston toward the retracted position, to deliver the liquid out of the container, through a filter disposed in a liquid delivery path which is exposed to the ambient air and communicates with the liquid mass.

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First Claim