Respirator having thermochromic fit-indicating seal

Details Respirator having thermochromic fit-indicating seal Respirator having thermochromic fit-indicating seal

A - Human Necessities

62

B

A62B 27/00 (2006.01) G01M 3/04 (2006.01)

Patent

CA 2229579

Respirator (10) has a respirator body (11) that is con-figured to fit over the nose and mouth of a wearer. A ther-mochromic material (18) is positioned on the respirator body (11) such that the thermochromic material (18) makes thermal contact with the wearer's face when the respirator (10) is worn. The contact causes the thermochromic material (18) to change color to allow the wearer to determine if a proper fit has been established.

L'invention porte sur un respirateur (10) dont le corps (11) est conçu pour s'adapter au nez et à la bouche du porteur. Une matière thermochromique (18) est disposée sur le corps (11) du respirateur de manière à être en contact thermique avec le visage du porteur lorsque le respirateur (10) est en place. Ce contact provoque un changement de couleur de la matière thermochromique (18) qui permet au porteur de savoir si le respirateur est bien ajusté.

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