Method of producing a filtering cartridge
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United States of America Patent
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Jul 15, 2014
Grant Date -
Jan 6, 2011
app pub date -
Mar 2, 2009
filing date -
May 29, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed are filtering cartridge and methods of producing the filtering cartridge for purifying drinking water and other liquids for household, medical and other purposes. A filter cartridge is filled with a filtering material and is configured in the form of an open bowl which can be closed with a lid, having side walls and a bottom with at least one outlet opening which is closed with a water-permeable material, wherein the cartridge bottom is designed such as to make it possible to use the water-permeable material which comes to the external edge of the side walls and is made of fibers with a sufficiently small diameter to allow using the filtering material containing powder particles; furthermore, the entire area between external and internal edges of the walls along the perimeter of the bottom is made of a composite based on a polymer water-permeable material.
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