| 摘要 |
<p>PURPOSE: To prevent the deterioration of deodorizing capacity of a deodorizing filter by covering a fiber holding a deodorant with a sheet-like unwoven fabric. CONSTITUTION: A deodorizing unwoven fabric body 3 is formed by filling the deodorant 5 in a plurality of slit grooves 6 formed on laminated unwoven fabric 4, in which the fiber is oriented in a longitudinal direction and has elasticity in a direction perpendicular to the oriented direction. The deodorizing filter 1 is formed by covering the deodorizing unwoven fabric body 3 with the sheet- like unwoven fabric 2.</p> |
