A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 18/08 (2006.01)
Patent
CA 2323428
A respirator having a faceseal which is detachable from the mask (10). The seal member (14, 22, 31, 41, 50) is accommodated in a pair of grooves defined by flaps (20, 43, 54) formed in the mask (10). Alternatively the flaps may be formed in a faces seal carrier (62), the arrangement being that the carrier can be bonded to the mask post forming. Ridges (23, 33) and corresponding grooves may assist in effecting the required seal. The arrangement permits using a profiled faceseal and maintaining the profile.
L'invention concerne un respirateur doté d'une pièce d'étanchéité faciale se détachant du masque (10). L'élément d'étanchéité (14, 22, 31, 41, 50) est logé dans une paire de rainures délimitées par des volets (20, 43, 54) formés dans le masque (10). Les volets peuvent également être formés dans un support (62) pour pièce d'étanchéité faciale, l'ensemble pouvant être fixé au masque par post-formage. Des nervures (23, 33) et des rainures correspondantes peuvent participer à l'obtention de l'étanchéité requise. Ledit ensemble permet l'utilisation d'une pièce d'étanchéité faciale profilée et de conserver ce profil.
Fetherstonhaugh & Co.
The Secretary Of State For Defence In Her Britannic Majesty's Go
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