DE69814447D1 - Erschöpfungsanzeige für die filterpatrone eines atemschutzgeräts - Google Patents

Erschöpfungsanzeige für die filterpatrone eines atemschutzgeräts

Info

Publication number
DE69814447D1
DE69814447D1 DE69814447T DE69814447T DE69814447D1 DE 69814447 D1 DE69814447 D1 DE 69814447D1 DE 69814447 T DE69814447 T DE 69814447T DE 69814447 T DE69814447 T DE 69814447T DE 69814447 D1 DE69814447 D1 DE 69814447D1
Authority
DE
Germany
Prior art keywords
filter cartridge
respiratory filter
exhaust indicator
indicator
exhaust
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 - Lifetime
Application number
DE69814447T
Other languages
English (en)
Inventor
Pierre Bernard
Serge Caron
Marco St-Pierre
Jaime Lara
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.)
INST NAT D OPTIQUE SAINTE FOY
Inst Rech & Sante Securite
IRSST-Institut de Recherche en Sante et en Securite du Travail
Institut National dOptique
Original Assignee
INST NAT D OPTIQUE SAINTE FOY
Inst Rech & Sante Securite
IRSST-Institut de Recherche en Sante et en Securite du Travail
Institut National dOptique
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 INST NAT D OPTIQUE SAINTE FOY, Inst Rech & Sante Securite, IRSST-Institut de Recherche en Sante et en Securite du Travail, Institut National dOptique filed Critical INST NAT D OPTIQUE SAINTE FOY
Application granted granted Critical
Publication of DE69814447D1 publication Critical patent/DE69814447D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
DE69814447T 1997-11-21 1998-08-27 Erschöpfungsanzeige für die filterpatrone eines atemschutzgeräts Expired - Lifetime DE69814447D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002219854A CA2219854C (en) 1997-11-21 1997-11-21 End-of-service indicator for a respirator cartridge
PCT/CA1998/000820 WO1999027352A1 (en) 1997-11-21 1998-08-27 End-of-service indicator for a respirator cartridge

Publications (1)

Publication Number Publication Date
DE69814447D1 true DE69814447D1 (de) 2003-06-12

Family

ID=4161711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814447T Expired - Lifetime DE69814447D1 (de) 1997-11-21 1998-08-27 Erschöpfungsanzeige für die filterpatrone eines atemschutzgeräts

Country Status (6)

Country Link
EP (1) EP1032823B1 (de)
JP (1) JP2002506662A (de)
AU (1) AU8968298A (de)
CA (1) CA2219854C (de)
DE (1) DE69814447D1 (de)
WO (1) WO1999027352A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056649B (zh) * 2008-06-30 2012-11-28 3M创新有限公司 暴露指示装置
CN102834711A (zh) * 2010-04-02 2012-12-19 3M创新有限公司 包括光学被分析物传感器和光学读取器的过滤系统
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
WO2018106258A1 (en) * 2016-12-09 2018-06-14 Honeywell International Inc. End of service life indicator for a disposable face mask.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146887A (en) * 1977-08-05 1979-03-27 American Optical Corporation Respirator cartridge end-of-service life indicator
EP0061884A1 (de) * 1981-03-30 1982-10-06 Imperial Chemical Industries Plc Sensor aus Lichtleitfasern
US4846548A (en) * 1987-05-06 1989-07-11 St&E, Inc. Fiber optic which is an inherent chemical sensor
US5250095A (en) * 1988-08-16 1993-10-05 Rutgers University Method for making porous glass optical fiber sensor

Also Published As

Publication number Publication date
CA2219854A1 (en) 1999-05-21
CA2219854C (en) 2005-09-20
WO1999027352A1 (en) 1999-06-03
AU8968298A (en) 1999-06-15
EP1032823A1 (de) 2000-09-06
EP1032823B1 (de) 2003-05-07
JP2002506662A (ja) 2002-03-05

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Legal Events

Date Code Title Description
8332 No legal effect for de