FILTER MATERIAL, IN PARTICULAR FOR HYDRAULIC FILTERS
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Jan 16, 2014
filing date -
Jan 19, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A filter material, in particular for hydraulic filters, comprises at least one filter layer (18, 20, 22, 24), each individual filter fold (12) thereof being composed of a pair of filter bid halves (13), consists of a first structure (32) having warp threads (34) and weft threads (36), and of at least one further second structure (20, 22) with a predeterminable filtering characteristic, and is characterized in that the structures are designed such and are operatively connected to one another such that at least one channel guide (40) is formed in the filter layer (15, 20, 22, 24) in particular as a result of the arrangement and geometry of the warp threads (34) and well threads (36) of the first structure (32), said channel guide allowing an undisturbed flow through the respective filter fold half (13) over substantially the entire fold height.
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