Wound filter module
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United States of America Patent
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-
Mar 27, 1990
Grant Date -
N/A
app pub date -
Oct 12, 1988
filing date -
Nov 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a wound filter module with an areal or flat filter band with draining support and spacing band wound around a draining means, central hollow core (K), whose longitudinal edges are enclosed in a wound state in a sealing element (4,6,4',6'), the filter band and the spacing band (1,3) are connected, resting on one another in a coinciding manner, by their two ends to a closed, that is, endless band (B1, B2, B3, B4, Bn) which encloses a central hollow core (K) or a filter core (KB1; KB1,B2;KB1,B2,B3) with its inner side and which is wound around the latter in a spiral manner. Every further, closed filter band with spacing band encloses the particular filter element (K, B1) previously formed and is wound around the latter. The fluid to be filtered and also the filtrate obtained from the individual layers can penetrate both transversally as well as tangentially in the direction of the individual spiral windings (B1 to Bn) to the hollow core (K). The filter module can be better adapted in their design to the very different requirements by virtue of this winding principle.
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