Filter element constructions
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United States of America Patent
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Sep 24, 2013
Grant Date -
Mar 17, 2011
app pub date -
Aug 22, 2008
filing date -
Aug 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A filter element comprises a pleated filter (10), one end of which is received in an end cap (11), which is made up of a unitary molding comprising an end part (21) of a harder plastics material, and a lower part (22) of a softer plastics material, the plastics being compatible or of the same composition, differing only in hardness. A groove (24) engages with a support plate (14), the groove being formed in the softer material abutting the harder material so that the latter forms one face of the groove. A perforated support sleeve (29) can be inserted by dropping into the filter, and an end cap (12) at the other end of the filter either closes the end or is adapted for connection to a further similar filter.
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