Patent ID: 7377963

Claim:
An adsorption filter, comprising: at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon, the at least one thin plate honeycomb filtering medium including incisions in a direction vertical to a flute direction thereof in a staggered manner; and a filter case housing the honeycomb filtering medium therein, wherein the thin plate honeycomb filtering medium is extended by pulling ends thereof and is disposed in the filter case in such a manner as to make a series of V configurations with respect to a ventilation direction, wherein the thin plate honeycomb filtering medium is self-standing by a fixing member formed in the filter case, and wherein the filter case has a groove or protrusion serving as the fixing member for fixing the thin plate honeycomb filtering medium, and further has slits in accordance with an opening width of the respective V-configuration formed by the thin plate honeycomb filtering medium.