Face mask having baffle layer for improved fluid resistance

Details Face mask having baffle layer for improved fluid resistance Face mask having baffle layer for improved fluid resistance

A - Human Necessities

41

D

A41D 13/11 (2006.01)

Patent

CA 2547513

A face mask (10) is provided. The face mask (10) includes a body portion (12) that is configured to be placed over a mouth and at least part of a nose of a user (14) such that the air of respiration is drawn through the body portion (12). The body portion (12) includes a baffle layer (16) which helps prevent penetration from a fluid striking the mask. The baffle layer (16) has an outer and an inner surface (18, 20) with a plurality of projections (22) extending from one of the outer or inner surfaces (18, 20). The baffle layer (16) aids in absorbing energy associated with fluid striking the body portion of the mask. The baffle layer (16) distributes fluid away form the point of impact (24) in the channels between the projections (22).

L'invention concerne un masque facial (10). Ce masque facial (10) comprend une partie de corps (12) configurée pour être placée sur la bouche et au moins sur une partie du nez d'un utilisateur (14) de sorte que l'air de la respiration est aspiré par la partie de corps (12). La partie de corps (12) comprend une couche écran (16) permettant d'empêcher la pénétration d'un fluide éclaboussant le masque. La couche écran (16) présente une surface extérieure (18) et une surface intérieure (20) dotées d'une pluralité de saillies?¿(22) s'étendant à partir de la surface extérieure (18) ou de la surface intérieure (20). La couche écran (16) permet d'absorber l'énergie associée à l'éclaboussure fluidique de la partie de corps du masque. La couche écran (16) distribue le fluide de sorte à l'éloigner du point d'impact (24), dans des canaux (26) situés entre les saillies (22).

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