Screen-type filter element including filter assembly with fine and coarse mesh screen sheet material layers selectively penetrated by integrally attached plastic enveloping ribs
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United States of America Patent
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Aug 16, 2016
Grant Date -
Jan 10, 2013
app pub date -
Mar 1, 2011
filing date -
Mar 1, 2010
priority date (Note) -
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Abstract
The disclosed subject matter is concerned with a screen-type filter element, and a method for its manufacture. The screen type filter comprises a substantially rigid screen-bearing skeleton and at least one fine screen sheet material extending within or over the skeleton and secured thereto by a plurality of enveloping ribs, the enveloping ribs being applied over one face of the filter screen sheet to thereby support it at discrete portions and secure it to the skeleton.
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