Face mask and method of manufacturing the same

Details Face mask and method of manufacturing the same Face mask and method of manufacturing the same

A - Human Necessities

41

D

A41D 13/11 (2006.01)

Patent

CA 2488336

A mask includes a filter layer (12) and a support base (14) supporting the filter layer. The filter layer has first and second complimentary portions that together form a rim (20), where the first portion is connected to the second portion at first and second seams (32A, 32B). The first seam (32A) extends from the rim (20) to a first pleat (30A), while the second seam (32B) extends from the rim (20) to a second pleat (30B). The first pleat (30A) is connected to the second pleat by an unpleated central portion (34). The first pleat, second pleat and unpleated central portion are formed by the first and second portions (24, 26) of the filter layer.

L'invention concerne un masque comprenant une couche filtrante (12) et une base (14) servant à supporter cette couche. La couche filtrante présente une première et une seconde portions complémentaires formant un bord (20), la première portion étant reliée à la seconde portion, suivant une première et une seconde coutures (32A, 32B). La première couture (32A) s'étend à partir du bord (20) vers un premier pli (30A), cependant que la seconde couture (32B) s'étend du bord (20) vers un second pli (30B). Le premier pli (30A) est relié au second pli par une partie centrale non pliée (34). Le premier pli, le second pli et la partie centrale non pliée sont formés par la première et la seconde portions (24, 26) de la couche filtrante.

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