| 摘要 |
<p>PURPOSE:To prevent the growth of harmful insects such as tick or saprophytes such as fungi by always drying the underside of a rug such as a carpet. CONSTITUTION:Many protrusions 2 provided with a hollow part projective and opened in the rear face are provided on the surface of a sheet base material 1 such as a raw material impregnated with a resin liquid in a nonwoven fabric having gas permeability. In the protrusion 2, a desiccating agent 3 such as silica gel is charged to fill and a resin film 4 for sealing the opening of the protrusion is stuck to the rear face of the sheet base material 1.</p> |
