Air filter component, filter cartridge, and respirator

Abstract

The present application relates to an air filter component, a filter cartridge, and a respiratory mask. The air filter component is made from a sheet including a filter section including a first wave portion and a second wave portion, and a peripheral section integrally formed with the filter section as a substantially flat boundary surrounding the filter section. The first wave portion and the second wave portion are on both sides of the peripheral section, and the maximum distance between the first wave portion and the upper surface of the peripheral section is a first distance, and the maximum distance between the second wave portion and the lower surface of the peripheral section is a second distance. The first sheet layer of the sheet is on the outer surface side of the air filter component, and the second sheet layer of the sheet is on the inner surface side of the air filter component, and the fiber diameter of the first sheet layer is larger than the fiber diameter of any one of the other layers of the sheet, and the first distance is smaller than the second distance. The air filter component, the filter cartridge, and the respiratory mask including the air filter component according to the present disclosure can improve the filter performance and improve the safety and comfort when worn.

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