A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 23/02 (2006.01) A62B 18/02 (2006.01) B01D 46/52 (2006.01)
Patent
CA 2497402
A filter cartridge (5), suitable for attachment to a respiratory mask, has a housing that includes an air inlet (27), an air outlet (39), and filter material (17, 19) through which air to be filtered travels through when passing from the inlet to the outlet. At least part of the housing includes a sheet material (23) that is thermo-formed around the sides of the filter material.
L'invention concerne une cartouche filtrante (5) pouvant être fixée à un masque respiratoire et comprenant un boîtier possédant une entrée d'air (27), une sortie d'air (39) et un matériau filtrant (17, 19) qui est traversé par l'air à filtrer passant de l'entrée à la sortie. Une partie au moins du boîtier comprend un matériau en feuille (23) thermoformé autour des côtés du matériau filtrant.
Conlan Audra A.
Cormack Brian
Curran Desmond T.
Henderson Christopher P.
Viner Andrew S.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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