Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 29, 2015
0Patent Application Number
134753890
Date Filed
May 18, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A filter bag is longitudinally formed with at least a portion of the filter bag formed in a frusto-conical shape. The filter bag has a plurality of radially extending members that form a propeller shaped cross-section. A lower, frusto conically shaped lower portion balloon or billows during a reverse air cycle enhances dust fall from the exterior for cleaning. A manifold having multiple openings is also disclosed.
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