Puncture resistant gloves

Publication Date

May 11, 2004

Patent Number

US5644797A

Abstract

A fan blade provided with an active carbon filter bed, wherein, an opening is provided in the center of the fan blade, and said opening is covered with an active carbon filter bed. And said active carbon filter bed can be in the form of powder, grain or fiber attached by any means to non-woven fabric, fiber layer, staple on the base filter element of porous PE or PU foam. Furthermore, both of the active carbon filter bed and the fan blade can be adhered to each other by glue, adhesive band, equi-directional magnet or other adhesion or structure.