HK22181A - Respirator cartridges - Google Patents

Respirator cartridges

Info

Publication number
HK22181A
HK22181A HK22181A HK22181A HK22181A HK 22181 A HK22181 A HK 22181A HK 22181 A HK22181 A HK 22181A HK 22181 A HK22181 A HK 22181A HK 22181 A HK22181 A HK 22181A
Authority
HK
Hong Kong
Prior art keywords
respirator cartridges
respirator
cartridges
Prior art date
Application number
HK22181A
Original Assignee
American Optical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of HK22181A publication Critical patent/HK22181A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/088—Devices for indicating filter saturation
HK22181A 1977-01-05 1981-05-21 Respirator cartridges HK22181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75710577A 1977-01-05 1977-01-05

Publications (1)

Publication Number Publication Date
HK22181A true HK22181A (en) 1981-05-29

Family

ID=25046371

Family Applications (1)

Application Number Title Priority Date Filing Date
HK22181A HK22181A (en) 1977-01-05 1981-05-21 Respirator cartridges

Country Status (6)

Country Link
JP (2) JPS5385993A (en)
BR (1) BR7800046A (en)
CA (1) CA1100419A (en)
DE (1) DE2758603A1 (en)
GB (1) GB1554542A (en)
HK (1) HK22181A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326514A (en) * 1980-06-20 1982-04-27 Minnesota Mining And Manufacturing Company Cartridge respirator with service life indicator
US4365627A (en) * 1980-09-22 1982-12-28 The Dow Chemical Company Filter-type respirator canister
GB2119659B (en) * 1982-04-28 1985-10-02 Mine Safety Appliances Co Breathing device having irreversible moisture indicator
DE3445639A1 (en) * 1984-12-14 1986-06-26 Drägerwerk AG, 2400 Lübeck COLORIMETRIC INDICATOR TO INDICATE THE EXHAUST OF GAS FILTERS
DE3610492A1 (en) * 1986-03-27 1987-10-01 Draegerwerk Ag RESPIRATOR
US4886058A (en) * 1988-05-17 1989-12-12 Minnesota Mining And Manufacturing Company Filter element
WO1994019056A1 (en) * 1993-02-27 1994-09-01 Paul Hartmann Ag Respiratory system protection
US5634426A (en) * 1995-02-22 1997-06-03 Tomlinson; Bruce Absorption depletion indicators for anesthetic gas administration systems
US7442237B1 (en) * 2004-09-16 2008-10-28 The United States Of America As Represented By The Secretary Of The Army Multi-agent end-of-service-life indicator for respirator filters
US8955515B2 (en) * 2009-10-23 2015-02-17 3M Innovative Properties Company Patterned chemical sensor having inert occluding layer
US9192795B2 (en) 2011-10-07 2015-11-24 Honeywell International Inc. System and method of calibration in a powered air purifying respirator
US9808656B2 (en) 2012-01-09 2017-11-07 Honeywell International Inc. System and method of oxygen deficiency warning in a powered air purifying respirator
EP2969128B1 (en) 2013-03-15 2018-11-14 3M Innovative Properties Company End of service life indicating systems for layered filter cartridges

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1725893A (en) * 1924-12-05 1929-08-27 Mine Safety Appliances Co Indicating gas-mask canister
US3966440A (en) * 1975-06-03 1976-06-29 Catalyst Research Corporation Colorimetric vinyl chloride indicator

Also Published As

Publication number Publication date
BR7800046A (en) 1978-08-15
CA1100419A (en) 1981-05-05
DE2758603A1 (en) 1978-07-20
GB1554542A (en) 1979-10-24
JPS5385993A (en) 1978-07-28
JPS6218156U (en) 1987-02-03

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