Filter element frames
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jan 27, 2011
app pub date -
Dec 22, 2008
filing date -
Dec 21, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A filter element comprises a top frame member, a bottom frame member and a pleated filter assembly received in respective channel sectioned formers comprised by said top and bottom frame members. The formers are integrally bonded with a polyurethane resin core formed in the formers. A mold may include a core member or projections which maintain air passages during molding, and serve to locate the pleats of the filter element in relation to the air passages.
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