Roller Tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
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N/A
app pub date -
Feb 25, 2013
filing date -
Feb 23, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A roller tube comprising a tube body which defines on its outwardly facing surface one or more blind substrate or shutter substrate receiving portions, wherein the tube body includes a plurality of sound damping elements located circumferentially around its inwardly facing surface, the sound damping elements extending longitudinally along at least part of the length of the tube body and defining a plurality of sound channels inside the tube
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