Filter insert for containers

Details Filter insert for containers Filter insert for containers

A - Human Necessities

47

G

A47G 19/16 (2006.01)

Patent

CA 2100455

A filter insert (1) for containers, in particular tea pots, where a certain dwelling time should be secured for the filter pulp in a liquid withheld in the container, the insert consisting of a preferably circular cylindrical filter unit (1), extending downwards from the top of the container at least reach down below the surface of the liquid in the container when being filled, and where at least one plunger shaft (4) with a plunger (5) sliding in a plunger guide (7) is extending axially through the upper part (3), where the plunger (5) is provided with a rim flange (5a) and can be moved to the bottom of the filter insert (1), is improved by having the filter insert (1) divided in at least two sections, a bottom part (2) and a top part (3), where the bottom part (2) consists of a material, for instance plastics, which is impermeable to the liquid, and the top part (3) mainly consists of a material permeable to the liquid, for instance a wire screen (3a), which can keep the filter pulp, and where the plunger (5) also-is impermeable and vaulted upwards, so that the central area is higher than the circumference area, which is made with an upright rim flange (5a).

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