CA1100419A - Organic vapor respirator cartridge end-of-service indicator system and method - Google Patents

Organic vapor respirator cartridge end-of-service indicator system and method

Info

Publication number
CA1100419A
CA1100419A CA293,496A CA293496A CA1100419A CA 1100419 A CA1100419 A CA 1100419A CA 293496 A CA293496 A CA 293496A CA 1100419 A CA1100419 A CA 1100419A
Authority
CA
Canada
Prior art keywords
shell
indicator
agent
sorbent
carrier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA293,496A
Other languages
English (en)
French (fr)
Inventor
John A. Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
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
Application granted granted Critical
Publication of CA1100419A publication Critical patent/CA1100419A/en
Expired legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA293,496A 1977-01-05 1977-12-20 Organic vapor respirator cartridge end-of-service indicator system and method Expired CA1100419A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75710577A 1977-01-05 1977-01-05
US757,105 1977-01-05

Publications (1)

Publication Number Publication Date
CA1100419A true CA1100419A (en) 1981-05-05

Family

ID=25046371

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293,496A Expired CA1100419A (en) 1977-01-05 1977-12-20 Organic vapor respirator cartridge end-of-service indicator system and method

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634426A (en) * 1995-02-22 1997-06-03 Tomlinson; Bruce Absorption depletion indicators for anesthetic gas administration systems
US9751038B2 (en) 2013-03-15 2017-09-05 3M Innovative Properties Company End of service life indicating systems for layered filter cartridges

Families Citing this family (12)

* 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
DE3445639C2 (de) * 1984-12-14 1987-02-12 Drägerwerk AG, 2400 Lübeck Kolorimetrischer Indikator zur Anzeige des Erschöpfungszustandes von Gasfiltern
DE3610492A1 (de) * 1986-03-27 1987-10-01 Draegerwerk Ag Atemschutzgeraet
US4886058A (en) * 1988-05-17 1989-12-12 Minnesota Mining And Manufacturing Company Filter element
WO1994019056A1 (de) * 1993-02-27 1994-09-01 Paul Hartmann Ag Atemschutzelement
RU2108821C1 (ru) * 1994-09-13 1998-04-20 Войсковая часть 20914 Регенеративный патрон
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

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634426A (en) * 1995-02-22 1997-06-03 Tomlinson; Bruce Absorption depletion indicators for anesthetic gas administration systems
US9751038B2 (en) 2013-03-15 2017-09-05 3M Innovative Properties Company End of service life indicating systems for layered filter cartridges

Also Published As

Publication number Publication date
HK22181A (en) 1981-05-29
GB1554542A (en) 1979-10-24
BR7800046A (pt) 1978-08-15
DE2758603A1 (de) 1978-07-20
JPS6218156U (index.php) 1987-02-03
JPS5385993A (en) 1978-07-28

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Legal Events

Date Code Title Description
MKEX Expiry