Bent filter with bend retention feature
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United States of America Patent
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May 20, 2014
Issued Date -
N/A
app pub date -
Jan 10, 2012
filing date -
Jan 11, 2011
priority date (Note) -
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Abstract
A filter has an elongated filter envelope with an inner pocket containing filter material and configured to receive fluid filtered by the filter envelope. The filter envelope has a bent position defined by a port portion and a loop portion, the loop portion and the port portion overlapping each other at least partially. A port is attached to the filter envelope proximate the port end and is configured to be connected to a hydraulic device and to allow fluid to be released from the pocket. The filter envelope has a periphery with a sealed rim and a slit splitting a portion of the rim so as to form a flexible retention element unitarily attached to the loop portion of the filter envelope. The retention element is positioned around one of the port and the port portion of the filter envelope to retain the filter envelope in the bent position.
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