DE69312509D1 - Rückschlagventil - Google Patents

Rückschlagventil

Info

Publication number
DE69312509D1
DE69312509D1 DE69312509T DE69312509T DE69312509D1 DE 69312509 D1 DE69312509 D1 DE 69312509D1 DE 69312509 T DE69312509 T DE 69312509T DE 69312509 T DE69312509 T DE 69312509T DE 69312509 D1 DE69312509 D1 DE 69312509D1
Authority
DE
Germany
Prior art keywords
check valve
check
valve
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
DE69312509T
Other languages
English (en)
Other versions
DE69312509T2 (de
Inventor
Daniel Japuntich
Vaughn Grannis
Harold Seppala
Anthony Ferguson
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 Co
Original Assignee
Minnesota Mining and Manufacturing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27128974&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69312509(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/981,244 external-priority patent/US5325892A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69312509D1 publication Critical patent/DE69312509D1/de
Publication of DE69312509T2 publication Critical patent/DE69312509T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A62B18/02Masks
    • A62B18/025Halfmasks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0402Cleaning, repairing, or assembling
    • Y10T137/0491Valve or valve element assembling, disassembling, or replacing
DE1993612509 1992-05-29 1993-04-21 Rückschlagventil Expired - Lifetime DE69312509T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89128992A 1992-05-29 1992-05-29
US07/981,244 US5325892A (en) 1992-05-29 1992-11-25 Unidirectional fluid valve
PCT/US1993/003797 WO1993024181A1 (en) 1992-05-29 1993-04-21 Unidirectional fluid valve

Publications (2)

Publication Number Publication Date
DE69312509D1 true DE69312509D1 (de) 1997-08-28
DE69312509T2 DE69312509T2 (de) 1998-02-26

Family

ID=27128974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993612509 Expired - Lifetime DE69312509T2 (de) 1992-05-29 1993-04-21 Rückschlagventil

Country Status (9)

Country Link
US (4) US6854463B2 (de)
EP (1) EP0674535B1 (de)
JP (2) JP3359033B2 (de)
AU (1) AU665082B2 (de)
BR (1) BR9306447A (de)
CA (1) CA2134764C (de)
DE (1) DE69312509T2 (de)
MX (1) MX9302879A (de)
WO (1) WO1993024181A1 (de)

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BR9306447A (pt) 1992-05-29 1998-06-30 Minnesota Mining & Mfg Válvula hidráulica unidirecional e máscara de face de filtração
US7117868B1 (en) 1992-05-29 2006-10-10 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
USRE43289E1 (en) 1995-08-04 2012-04-03 3M Innovative Properties Company Uni-directional fluid valve
GB2304176B (en) * 1995-08-04 1999-08-18 Racal Health & Safety Ltd Uni-directional fluid valve
GB9515986D0 (en) * 1995-08-04 1995-10-04 Racal Health & Safety Ltd Uni-directional fluid valve
FR2767482B1 (fr) * 1997-08-20 1999-10-29 Graham Hamilton Millar Dispositif souffleur incorpore dans un masque anti-poussiere
US6062221A (en) 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6732733B1 (en) 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6584976B2 (en) * 1998-07-24 2003-07-01 3M Innovative Properties Company Face mask that has a filtered exhalation valve
ATE232123T1 (de) * 1999-11-12 2003-02-15 Borla Ind Rückschlagventil für medizinische infusionsleitungen und dergleichen
US6460539B1 (en) * 2000-09-21 2002-10-08 3M Innovative Properties Company Respirator that includes an integral filter element, an exhalation valve, and impactor element
ATE532548T1 (de) * 2000-12-22 2011-11-15 Resmed Ltd Entlüftungsventil zur strömungsregulierung
US6883518B2 (en) 2001-06-25 2005-04-26 3M Innovative Properties Company Unidirectional respirator valve
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US7934497B1 (en) * 2001-11-19 2011-05-03 The United States Of America As Represented By The Secretary Of The Army Modular helmet-mask assembly
US7028689B2 (en) 2001-11-21 2006-04-18 3M Innovative Properties Company Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap
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US7188622B2 (en) * 2003-06-19 2007-03-13 3M Innovative Properties Company Filtering face mask that has a resilient seal surface in its exhalation valve
US7650884B2 (en) 2003-11-21 2010-01-26 3M Innovative Properties Company Respiratory facepiece and method of making a facepiece using separate molds
US20050145249A1 (en) 2003-12-31 2005-07-07 Solyntjes Alan J. Personal respiratory protection device that has a permanent or semi-permanent bayonet connection
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ITPS20040007A1 (it) * 2004-02-18 2004-05-18 Cl Com Advanced Tecnology Srl Maschera di protezione contro gli agenti biologici
US7320722B2 (en) * 2004-10-29 2008-01-22 3M Innovative Properties Company Respiratory protection device that has rapid threaded clean air source attachment
JP2006218079A (ja) * 2005-02-10 2006-08-24 Kurashiki Seni Kako Kk 防塵マスク
US20060254593A1 (en) * 2005-05-13 2006-11-16 Eric Chang Full-face mask
US8171933B2 (en) * 2005-08-25 2012-05-08 3M Innovative Properties Company Respirator having preloaded nose clip
AU2006287584A1 (en) * 2005-09-06 2007-03-15 Neurometrix, Inc. Disposable, multi-purpose cardiovascular autonomic neuropathy testing device
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
FI20065120A0 (fi) * 2006-02-17 2006-02-17 Euromaski Oy Suojalaite
ITPS20060012A1 (it) * 2006-05-18 2007-11-19 Cl Com Srl Nuova maschera di protezione contro gli agenti biologici a due porzioni.
DE102006031312B3 (de) * 2006-07-06 2007-07-26 Pari GmbH Spezialisten für effektive Inhalation Gesichtsmaske, insbesondere Inhalationsmaske für die Verwendung mit einem Therapievernebler
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
WO2009029364A1 (en) 2007-08-31 2009-03-05 3M Innovative Properties Company Respirator attachment component with molded thermoset elastomeric seal
EP2183032B1 (de) 2007-08-31 2018-04-25 3M Innovative Properties Company Atemschutzgerätmaske mit elastomerer duroplast-gesichtsdichtung
WO2009029349A1 (en) 2007-08-31 2009-03-05 3M Innovative Properties Company Unitary respirator with molded thermoset elastomeric elements
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ES2401944T3 (es) * 2007-12-06 2013-04-25 3M Innovative Properties Company Bandas de electreto con aditivos mejoradores de la carga eléctrica
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US20090235934A1 (en) * 2008-03-24 2009-09-24 3M Innovative Properties Company Filtering face-piece respirator having an integrally-joined exhalation valve
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RU2010148559A (ru) * 2008-06-02 2012-07-20 3М Инновейтив Пропертиз Компани (US) Усиливающие заряд добавки для электретов
KR101577089B1 (ko) * 2008-06-02 2015-12-11 쓰리엠 이노베이티브 프로퍼티즈 컴파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
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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BRPI1010461A2 (pt) 2009-09-18 2013-01-22 3M Innovative Properties Co respirador de peÇa facial filtrante e mÉtodo de produÇço de um respirador de peÇa facial filtrante
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
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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US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
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JP3907500B2 (ja) 2007-04-18
JP2002253689A (ja) 2002-09-10
AU4112093A (en) 1993-12-30
AU665082B2 (en) 1995-12-14
CA2134764A1 (en) 1993-12-09
BR9306447A (pt) 1998-06-30
DE69312509T2 (de) 1998-02-26
EP0674535B1 (de) 1997-07-23
JP3359033B2 (ja) 2002-12-24
US7311104B2 (en) 2007-12-25
US20020170563A1 (en) 2002-11-21
US20020185133A1 (en) 2002-12-12
EP0674535A1 (de) 1995-10-04
WO1993024181A1 (en) 1993-12-09
CA2134764C (en) 1999-04-27
US5509436A (en) 1996-04-23
US6843248B2 (en) 2005-01-18
MX9302879A (es) 1993-11-01
US20030084902A1 (en) 2003-05-08
US6854463B2 (en) 2005-02-15
JPH07506751A (ja) 1995-07-27

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