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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FR2767482B1 (fr) * 1997-08-20 1999-10-29 Graham Hamilton Millar Dispositif souffleur incorpore dans un masque anti-poussiere
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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
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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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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
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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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ITPS20060012A1 (it) * 2006-05-18 2007-11-19 Cl Com Srl Nuova maschera di protezione contro gli agenti biologici a due porzioni.
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US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
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ES2639423T3 (es) 2007-08-31 2017-10-26 3M Innovative Properties Company Componente de adhesión a un respirador con precinto elastomérico termoendurecido moldeado
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US5509436A (en) 1996-04-23
BR9306447A (pt) 1998-06-30
WO1993024181A1 (en) 1993-12-09
AU4112093A (en) 1993-12-30
AU665082B2 (en) 1995-12-14
JP2002253689A (ja) 2002-09-10
JP3907500B2 (ja) 2007-04-18
MX9302879A (es) 1993-11-01
DE69312509T2 (de) 1998-02-26
US20020185133A1 (en) 2002-12-12
EP0674535A1 (de) 1995-10-04
CA2134764C (en) 1999-04-27
JPH07506751A (ja) 1995-07-27
JP3359033B2 (ja) 2002-12-24
CA2134764A1 (en) 1993-12-09
EP0674535B1 (de) 1997-07-23
US6854463B2 (en) 2005-02-15
US7311104B2 (en) 2007-12-25
US20030084902A1 (en) 2003-05-08
US6843248B2 (en) 2005-01-18
US20020170563A1 (en) 2002-11-21

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