Respirator air filter cartridge with a replaceable filter elemen

Details Respirator air filter cartridge with a replaceable filter elemen Respirator air filter cartridge with a replaceable filter elemen

1991-07-11

1993-06-29

Millin, V.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820617, 55497, 55502, 55504, 55521, 55DIG35, 210450, 210451, 210446, A62B 1900, A62B 2302, B01D 4652, B01D 2700

Patent

active

052224880

ABSTRACT:
A respirator cartridge having a housing, a replaceable filter and a cover is provided. The cartridge is sealed by a lip on the filter frame and sealing rings on the housing and cover. The cover is releasably connected to the housing by protuberances on the cover which slide along ramp-up lock devices on the housing when the cover is turned, compressing the filter frame and sealing the cartridge.

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