AU2002340081B2 - Filtering face mask that uses an exhalation valve that has a multilayered flexible flap - Google Patents

Filtering face mask that uses an exhalation valve that has a multilayered flexible flap Download PDF

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Publication number
AU2002340081B2
AU2002340081B2 AU2002340081A AU2002340081A AU2002340081B2 AU 2002340081 B2 AU2002340081 B2 AU 2002340081B2 AU 2002340081 A AU2002340081 A AU 2002340081A AU 2002340081 A AU2002340081 A AU 2002340081A AU 2002340081 B2 AU2002340081 B2 AU 2002340081B2
Authority
AU
Australia
Prior art keywords
layer
valve
flap
seal surface
face mask
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.)
Ceased
Application number
AU2002340081A
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English (en)
Other versions
AU2002340081A1 (en
Inventor
Philip G. Martin
Jianxian Xue
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of AU2002340081A1 publication Critical patent/AU2002340081A1/en
Application granted granted Critical
Publication of AU2002340081B2 publication Critical patent/AU2002340081B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10Valves

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)
  • Check Valves (AREA)
AU2002340081A 2001-11-21 2002-10-03 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap Ceased AU2002340081B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/989,965 US7028689B2 (en) 2001-11-21 2001-11-21 Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap
US09/989,965 2001-11-21
PCT/US2002/031418 WO2003045503A1 (en) 2001-11-21 2002-10-03 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap

Publications (2)

Publication Number Publication Date
AU2002340081A1 AU2002340081A1 (en) 2003-06-10
AU2002340081B2 true AU2002340081B2 (en) 2008-04-10

Family

ID=25535618

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002340081A Ceased AU2002340081B2 (en) 2001-11-21 2002-10-03 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap

Country Status (14)

Country Link
US (2) US7028689B2 (enExample)
EP (1) EP1446197B1 (enExample)
JP (1) JP4386728B2 (enExample)
KR (1) KR100913855B1 (enExample)
CN (1) CN100522288C (enExample)
AT (1) ATE298607T1 (enExample)
AU (1) AU2002340081B2 (enExample)
BR (1) BR0213882A (enExample)
CA (1) CA2466481A1 (enExample)
DE (1) DE60204909T2 (enExample)
ES (1) ES2242884T3 (enExample)
MX (1) MXPA04004761A (enExample)
TW (1) TWI238729B (enExample)
WO (1) WO2003045503A1 (enExample)

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KR200446949Y1 (ko) * 2008-02-04 2009-12-17 주식회사 모아세이프 배기밸브 및 이를 구비한 마스크
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JP5072708B2 (ja) * 2008-05-15 2012-11-14 ユニ・チャーム株式会社 マスク
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US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
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US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
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US8640704B2 (en) 2009-09-18 2014-02-04 3M Innovative Properties Company Flat-fold filtering face-piece respirator having structural weld pattern
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US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
US10182603B2 (en) 2012-12-27 2019-01-22 3M Innovative Properties Company Filtering face-piece respirator having strap-activated folded flange
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Also Published As

Publication number Publication date
US20050155607A1 (en) 2005-07-21
KR20040053350A (ko) 2004-06-23
TW200300355A (en) 2003-06-01
MXPA04004761A (es) 2004-07-30
BR0213882A (pt) 2004-08-31
US7028689B2 (en) 2006-04-18
EP1446197B1 (en) 2005-06-29
US7013895B2 (en) 2006-03-21
CA2466481A1 (en) 2003-06-05
CN1589168A (zh) 2005-03-02
DE60204909D1 (de) 2005-08-04
AU2002340081A1 (en) 2003-06-10
EP1446197A1 (en) 2004-08-18
TWI238729B (en) 2005-09-01
JP4386728B2 (ja) 2009-12-16
ATE298607T1 (de) 2005-07-15
DE60204909T2 (de) 2006-04-27
WO2003045503A1 (en) 2003-06-05
ES2242884T3 (es) 2005-11-16
JP2005510314A (ja) 2005-04-21
KR100913855B1 (ko) 2009-08-26
CN100522288C (zh) 2009-08-05
US20050061327A1 (en) 2005-03-24

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