Mask having intake and exhaust structure
AssigneeYgf Inc.
InventorYoung Gu KIM
Life of this patent
Estimating the term…
Abstract
A filter holder for a mask, includes: an air passage, with a backflow prevention means being located in a portion thereof; a filter receptacle surrounding the air passage, accommodating a filter therein, and comprising an air inlet and an air outlet on both ends thereof, respectively; and a passage-partitioning portion spaced apart from the filter receptacle and located to face the backflow prevention means with respect to the air passage, with a distal end thereof protruding into the air outlet to cause a direction in which air purified through the filter receptacle flows to be changed.
Claims7
A filter holder for a mask, the filter holder comprising:
- an air passage, with a backflow prevention means being located in a portion thereof;
- a filter receptacle surrounding the air passage, accommodating a filter therein, and comprising an air inlet and an air outlet on both ends thereof, respectively;
- and
- a passage-partitioning portion spaced apart from the filter receptacle and located to face the backflow prevention means with respect to the air passage, with a distal end thereof protruding into the air outlet to cause a direction in which air purified through the filter receptacle flows to be changed.
(canceled)
Dependencies are inferred from the claim text.