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.
申请公布号
WO2013124692(A2)
申请公布日期
2013.08.29
申请号
WO2013GB50467
申请日期
2013.02.25
申请人
LOUVER-LITE LIMITED;BARNES, ANTONY;GREENING, ANDREW