Wound filter element
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United States of America Patent
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Jan 12, 2010
Grant Date -
Aug 16, 2007
app pub date -
Dec 18, 2006
filing date -
Dec 19, 2005
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Abstract
A filter element (1) wound from a plurality of filter layers in which the circumferential contour (5, 5') of a cross-sectional area (4) of the filter element (1) has at least one circumferential contour section (5') undercutting the envelope contour (6, 6') of the cross-sectional filter element area (4).
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