Filter unit
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United States of America Patent
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-
Dec 20, 2016
Grant Date -
Aug 28, 2014
app pub date -
Sep 28, 2012
filing date -
Sep 29, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter unit comprising a filter bag for removing particles from an air or gas flow, wherein the filter unit is arranged to receive at least one filter pocket and the filter bag comprises an opening portion and an end portion opposite said opening portion. The filter unit further comprises a frame arranged at a periphery of the opening portion, and a support structure arranged at the periphery of the end portion for stretching an area of the end portion. The frame and the support structure act to stretch the filter bag into a substantially parallelepiped shape such that the filter unit is arranged to provide a free passage for the at least one filter pocket into and out of said filter bag. Furthermore, the filter unit is arranged to fold between the frame and the support structure into a folded state.
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