Smoking appliance
An object of the present invention is to provide a smoking appliance which can heat a filter medium for eliminating particulate phase components in tobacco smoke to a desired temperature precisely as well as can ensure safety for the smoker. According to the present invention, there is provided a smoking appliance including a holder having a through hole serving as a smoke passage, which detachably holds a filter medium in a middle of the smoke passage, a heater attached to the holder at a location upstream to the filter medium, a heat insulator attached to the holder at a location upstream to the heater, and a metal plate which covers surfaces of the heater facing the filter medium and the smoke passage.
1. A smoking appliance comprising:
a holder having an opening on upstream and downstream ends thereof and a through hole serving as a smoke passage between the openings, the opening on the upstream end being capable of receiving an end of a cigarette;
a filter medium detachably held in a central portion of the smoke passage of the holder;
a heater attached to the holder at a location upstream of the filter medium so as to be arranged around the smoke passage, a part of the heater facing the smoke passage;
a heat insulator attached to the holder at a location upstream of the heater on a surface facing the smoke passage and at an outer periphery of the heater on a surface facing the filter medium so as to surround the heater; and
a metal plate which covers surfaces of the heater facing the filter medium and the smoke passage.
2. The smoking appliance according to claim 1 , wherein a heating temperature of the heater is 100 to 200° C.
3. The smoking appliance according to claim 1 , comprising a temperature sensor which monitors the temperature of the heater.
4. The smoking appliance according to claim 1 , comprising a battery which supplies power to the heater.
5. The smoking appliance according to claim 1 , wherein the metal plate is attached to the holder via an O-ring so as to cover surfaces of the heater facing the filter medium and the smoke passage.
6. The smoking appliance according to claim 1 , wherein the holder is formed of an engineering plastics.
7. The smoking appliance according to claim 1 , comprising a catalyst filling layer which is detachably inserted into the smoking passage of the holder at a location upstream of the filter medium.