Respiratory mask and service module

A - Human Necessities – 62 – B

Patent

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Details

A62B 18/08 (2006.01)

Patent

CA 2405789

A respiratory mask and service module combination for pressure breathing. The respiratory mask has a hardshell member that extends along the contour of the face toward the peripheral edge of the mask and has a central portion forming a canopy. An inhalation/exhalation valve assembly having two breathing conduits and integrally formed so as to provide communication between the conduits. The assembly mounts externally to the mask such that the valves are capable of being sealed along the outer surface of the respiratory mask. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to limit the scope or meaning of the claims.

L'invention concerne une combinaison de masque respiratoire et de module de service permettant de respirer sous pression. Ce masque respiratoire comporte une coque dure qui recouvre le contour du visage en direction de la périphérie du masque et qui comporte une partie centrale formant une coupelle de protection. Ce masque comporte également un ensemble soupape inspiratoire/expiratoire pourvu de deux tuyaux respiratoires et constitué d'une seule pièce de manière à permettre aux tuyaux de communiquer entre eux. Cet ensemble est monté sur la partie extérieure du masque de sorte que les soupapes peuvent être hermétiquement fermées contre la surface extérieure du masque respiratoire. Il convient de souligner le fait que cet abrégé respecte les règles qui exigent qu'un abrégé permette à un chercheur ou à tout autre lecteur d'avoir un aperçu du sujet de l'exposé technique. Cet abrégé est présenté avec l'idée qu'il ne servira pas à limiter le champ d'application ou la signification des revendications.

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