Heat stable filter construction
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United States of America Patent
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N/A
Issued Date -
Mar 10, 2005
app pub date -
Jul 7, 2004
filing date -
Aug 17, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A filter construction includes a pair of pleated filter elements (31, 32) mounted back to back to form a fluted double filter element and having their edges sealed by a sealant or being folded over within U-sectioned resistant edge strips The filter elements comprise a foraminous metal member (12) embedded within or faced on each side with a layer of non-women material (10), which is hydro entangled through the apertures of the metal member (12) and may include stainless steel fibres and the surface laminated or coated with a fluoropolymer.
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