Patent ID: 7207333
Filing Date: 2007-04-24
Classification: A62B

Abstract:
1. A nose mask comprising: an arrangement axle; a mask portion removably mounted on the arrangement axle, wherein the arrangement axle can be inserted from nares into a nasal vestibule to attach the mask portion to a nasal cavity of a user, the mask portion including a cellulose sponge and a pair of round-shaped filters arranged on opposite sides of the cellulose sponge, the round-shaped filters being capable of filtering polluted air and collecting dust, and the cellulose sponge being capable of absorbing and buffering liquid; and a cap and a stopper securing the mask portion to a portion of the arrangement axle by sandwiching the mask portion between the cap and the stopper, wherein the first and second round shaped filters have a diameter that is larger than a maximum outer diameter of the cellulose sponge, and wherein the cap includes structure defining a central passage receiving the arrangement axle, and a first engagement portion engaging an engagement member of the arrangement axle to secure the cap on the arrangement axle, and a second engagement portion engaging an engagement member of the stopper in order to sandwich the filters and the cellulose sponge between the cap and the stopper thereby preventing the mask portion from being disengaged from the arrangement axle by a force applied transversely to a plane direction of the filters.