Modular respirators and a method of conversion thereof

Details Modular respirators and a method of conversion thereof Modular respirators and a method of conversion thereof

A - Human Necessities

62

B

A62B 17/04 (2006.01) A62B 18/08 (2006.01)

Patent

CA 2433411

A modular respirator system has interchangeable facial lenses and body seals such as a full facepiece seal or a hood. A method of conversion from a full facepiece respirator to a hood respirator, or vice versa, is also disclosed. In one embodiment, lens conversion is accomplished without changing the type of body seal. In another embodiment, a breathable gas delivery conduit is connected to the facial lens and interchanged between the body seals together with the facial lens.

Système modulaire pour respirateur, qui possède des parties faciales et des éléments d'étanchéité pour le corps interchangeables tels qu'un élément d'étanchéité pour masque facial complet ou une cagoule. Un procédé de conversion d'un respirateur à masque facial complet en respirateur à cagoule, ou vice versa, est également décrit. Dans un mode de réalisation, le changement de la partie faciale peut se faire sans modifier le type de l'élément d'étanchéité pour le corps. Dans un autre mode de réalisation, un tuyau d'amenée de gaz respirable est connecté à la partie faciale et changé entre les éléments d'étanchéité pour le corps en même temps que la partie faciale.

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