BRPI0411545A - máscara facial de filtração - Google Patents

máscara facial de filtração

Info

Publication number
BRPI0411545A
BRPI0411545A BRPI0411545A BRPI0411545A BR PI0411545 A BRPI0411545 A BR PI0411545A BR PI0411545 A BRPI0411545 A BR PI0411545A BR PI0411545 A BRPI0411545 A BR PI0411545A
Authority
BR
Brazil
Prior art keywords
valve
gas space
mask
sealing surface
exhalation
Prior art date
Application number
Other languages
English (en)
Portuguese (pt)
Inventor
Philip G Martin
Jianxian Xue
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 BRPI0411545A publication Critical patent/BRPI0411545A/pt

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
    • 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
    • A62B18/10—Valves
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like

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)
BRPI0411545 2003-06-19 2004-05-20 máscara facial de filtração BRPI0411545A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/465,359 US7188622B2 (en) 2003-06-19 2003-06-19 Filtering face mask that has a resilient seal surface in its exhalation valve
PCT/US2004/015981 WO2005000411A1 (en) 2003-06-19 2004-05-20 Filtering face mask that has a resilient seal surface in its exhalation valve

Publications (1)

Publication Number Publication Date
BRPI0411545A true BRPI0411545A (pt) 2006-08-01

Family

ID=33517508

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0411545 BRPI0411545A (pt) 2003-06-19 2004-05-20 máscara facial de filtração

Country Status (7)

Country Link
US (1) US7188622B2 (cg-RX-API-DMAC10.html)
EP (1) EP1633445B1 (cg-RX-API-DMAC10.html)
JP (1) JP5059403B2 (cg-RX-API-DMAC10.html)
KR (1) KR101121859B1 (cg-RX-API-DMAC10.html)
CN (1) CN1809401B (cg-RX-API-DMAC10.html)
BR (1) BRPI0411545A (cg-RX-API-DMAC10.html)
WO (1) WO2005000411A1 (cg-RX-API-DMAC10.html)

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US7503326B2 (en) * 2005-12-22 2009-03-17 3M Innovative Properties Company Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap
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US8529671B2 (en) * 2007-12-06 2013-09-10 3M Innovative Properties Comany Electret webs with charge-enhancing additives
US20090235934A1 (en) 2008-03-24 2009-09-24 3M Innovative Properties Company Filtering face-piece respirator having an integrally-joined exhalation valve
RU2448207C1 (ru) * 2008-06-02 2012-04-20 3М Инновейтив Пропертиз Компани Электретные полотна с усиливающими заряд добавками
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
US20110137082A1 (en) * 2008-06-02 2011-06-09 Li Fuming B Charge-enhancing additives for electrets
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US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
US8640704B2 (en) 2009-09-18 2014-02-04 3M Innovative Properties Company Flat-fold filtering face-piece respirator having structural weld pattern
KR20110031144A (ko) 2009-09-18 2011-03-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 파지 특징부 표시부를 갖는 안면부 여과식 호흡기
US8528560B2 (en) 2009-10-23 2013-09-10 3M Innovative Properties Company Filtering face-piece respirator having parallel line weld pattern in mask body
US8365771B2 (en) 2009-12-16 2013-02-05 3M Innovative Properties Company Unidirectional valves and filtering face masks comprising unidirectional valves
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CN102711920A (zh) 2009-12-30 2012-10-03 3M创新有限公司 在面罩主体中具有拉胀网片的过滤式面具呼吸器
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US12016820B2 (en) 2010-02-12 2024-06-25 Zoll Medical Corporation Enhanced guided active compression decompression cardiopulmonary resuscitation systems and methods
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US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
US20140182600A1 (en) 2012-12-27 2014-07-03 3M Innovative Properties Company Filtering face-piece respirator having welded indicia hidden in pleat
US10182603B2 (en) 2012-12-27 2019-01-22 3M Innovative Properties Company Filtering face-piece respirator having strap-activated folded flange
US11052268B2 (en) 2013-02-01 2021-07-06 3M Innovative Properties Company Respirator negative pressure fit check devices and methods
US9517367B2 (en) 2013-02-01 2016-12-13 3M Innovative Properties Company Respiratory mask having a clean air inlet chamber
US9950202B2 (en) 2013-02-01 2018-04-24 3M Innovative Properties Company Respirator negative pressure fit check devices and methods
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USD882758S1 (en) 2016-09-16 2020-04-28 3M Innovative Properties Company Valve cover
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USD842983S1 (en) 2016-09-16 2019-03-12 3M Innovative Properties Company Valve cover
USD849245S1 (en) 2016-09-16 2019-05-21 3M Innovative Properties Company Valve cover
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USD900306S1 (en) 2016-09-16 2020-10-27 3M Innovative Properties Company Valve cover
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CN111529978B (zh) * 2018-04-09 2021-06-04 兴化市天东软件科技有限公司 充气一步到位的正压式空气呼吸器
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CN111202924B (zh) * 2020-03-03 2021-02-19 青岛大学附属医院 一种医疗防护级面罩
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Also Published As

Publication number Publication date
CN1809401B (zh) 2010-06-23
CN1809401A (zh) 2006-07-26
JP5059403B2 (ja) 2012-10-24
EP1633445B1 (en) 2017-11-01
US20040255947A1 (en) 2004-12-23
JP2006527632A (ja) 2006-12-07
US7188622B2 (en) 2007-03-13
WO2005000411A1 (en) 2005-01-06
KR101121859B1 (ko) 2012-03-21
KR20060023561A (ko) 2006-03-14
EP1633445A1 (en) 2006-03-15

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