| 摘要 |
PURPOSE: A filler of roll structure is provided to be attached and detached from an air inlet port using magnet without additional fixing means by arranging magnet to both upper end portion of filler winded by a roll. CONSTITUTION: A filler of roll structure comprises a filler(120) winded by a roll(110). Magnets(121) of fixed size are arranged at certain intervals at both upper end portions of the filler. The filler has more than 50% of contaminated air filtration, environment-friendly, and flexibility. The rubber magnet of strip-shaped having flexibility is used without separate space or forms separate space between the magnets. The filler always maintains the winded situation without additional fixed means as both upper side and bottom side of the filler respectively have other polarity by the magnet.
|
