Filter element and methods of manufacturing and using same
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United States of America Patent
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Aug 6, 2013
Grant Date -
Jan 10, 2013
app pub date -
Sep 12, 2012
filing date -
Dec 1, 2006
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Abstract
A coreless and spirally wound non-woven filter element is provided. The filter element includes at least one band of base media having a selected porosity and an interlay having a different porosity within at least one band of base media. The presence of the interlay in the filter element can create additional surface area within the contiguous construction of a filter element for filtration. This interlay can also create the ability to change direction of flow and to increase the deposition of specifically sized contaminants.
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