DE68923906T2 - Filterelement. - Google Patents

Filterelement.

Info

Publication number
DE68923906T2
DE68923906T2 DE68923906T DE68923906T DE68923906T2 DE 68923906 T2 DE68923906 T2 DE 68923906T2 DE 68923906 T DE68923906 T DE 68923906T DE 68923906 T DE68923906 T DE 68923906T DE 68923906 T2 DE68923906 T2 DE 68923906T2
Authority
DE
Germany
Prior art keywords
filter element
filter
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 - Fee Related
Application number
DE68923906T
Other languages
English (en)
Other versions
DE68923906D1 (de
Inventor
Gerald M C O Minnesot Brostrom
Daniel A C O Minneso Japuntich
Sabrina M C O Minnesota M Yard
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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE68923906D1 publication Critical patent/DE68923906D1/de
Publication of DE68923906T2 publication Critical patent/DE68923906T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • 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
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00Gas separation
    • Y10S55/35Respirators and register filters
DE68923906T 1988-05-17 1989-04-28 Filterelement. Expired - Fee Related DE68923906T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/195,029 US4886058A (en) 1988-05-17 1988-05-17 Filter element

Publications (2)

Publication Number Publication Date
DE68923906D1 DE68923906D1 (de) 1995-09-28
DE68923906T2 true DE68923906T2 (de) 1996-04-18

Family

ID=22719795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923906T Expired - Fee Related DE68923906T2 (de) 1988-05-17 1989-04-28 Filterelement.

Country Status (13)

Country Link
US (2) US4886058A (de)
EP (1) EP0342807B1 (de)
JP (1) JP2994402B2 (de)
KR (1) KR960005210B1 (de)
AR (1) AR244095A1 (de)
AU (1) AU617454B2 (de)
BR (1) BR8902282A (de)
CA (1) CA1332716C (de)
DE (1) DE68923906T2 (de)
DK (1) DK175092B1 (de)
ES (1) ES2076208T3 (de)
MX (1) MX168560B (de)
ZA (1) ZA893011B (de)

Families Citing this family (131)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886058A (en) * 1988-05-17 1989-12-12 Minnesota Mining And Manufacturing Company Filter element
US4981134A (en) * 1990-01-16 1991-01-01 Courtney Darryl W Filtering face mask with inhalation/exhalation check valves
EP0532574A1 (de) * 1990-06-04 1993-03-24 Air-Ace Oy Atemgerät
US5140980A (en) * 1990-06-13 1992-08-25 Ilc Dover, Inc. Hood mask and air filter system and method of manufacture thereof
US5240479A (en) * 1991-05-17 1993-08-31 Donaldson Company, Inc. Pleated filter media having a continuous bead of adhesive between layers of filtering material
US5394867A (en) * 1991-06-05 1995-03-07 Brookdale International Systems Inc. Personal disposable emergency breathing system with dual air supply
US5186165A (en) * 1991-06-05 1993-02-16 Brookdale International Systems Inc. Filtering canister with deployable hood and mouthpiece
US5456248A (en) * 1992-10-14 1995-10-10 Stackhouse, Inc. Surgical smoke evacuator
WO1994011556A1 (en) * 1992-11-18 1994-05-26 Hoechst Celanese Corporation Fibrous structure containing immobilized particulate matter and process therefor
ES2128590T3 (es) * 1993-08-17 1999-05-16 Minnesota Mining & Mfg Metodo para cargar medios filtrantes con electretos.
CA2172719A1 (en) 1993-10-01 1995-04-13 Joyce B. Palazzotto Speech transmission adaptor for use with a respirator mask
US5720789A (en) * 1994-09-06 1998-02-24 Lockheed Idaho Technologies Company Method for contamination control and barrier apparatus with filter for containing waste materials that include dangerous particulate matter
US5759394A (en) * 1996-11-27 1998-06-02 Alliedsignal Inc. Elongate fiber filter mechanically securing solid adsorbent particles between adjacent multilobes
US6216693B1 (en) 1995-01-20 2001-04-17 3M Innovative Properties Company Respirator having a compressible press fir filter element
US5908598A (en) * 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
USD382341S (en) * 1996-03-27 1997-08-12 Mine Safety Appliances Company Respirator face mask
US5732695A (en) * 1997-03-11 1998-03-31 Parmelee Industries Respirator filtration device
US6044842A (en) * 1997-05-19 2000-04-04 Pereira; Michael Gasketless connecting adapter
US6213122B1 (en) 1997-10-01 2001-04-10 3M Innovative Properties Company Electret fibers and filter webs having a low level of extractable hydrocarbons
US5895537A (en) * 1997-10-09 1999-04-20 Campbell; Richard G. Sonic welded gas mask and process
US6345620B2 (en) * 1998-10-23 2002-02-12 Mine Safety Appliances Company Flexible respirator filter
DE19851322C1 (de) * 1998-11-06 2000-03-02 Draeger Sicherheitstech Gmbh Atemschutzmaske
US6467481B1 (en) 1999-04-29 2002-10-22 Vase Technology Stackable filter device
US7311880B2 (en) * 1999-12-23 2007-12-25 3M Innovative Properties Company Well-less filtration device
US6627072B1 (en) * 2000-03-04 2003-09-30 Robert A. Ridge Filter system for a paraffin spa
US6793702B2 (en) 2000-06-28 2004-09-21 Muniyapla Eswarappa Filter cartridge platform and filter cartridge for use on the platform
AU2001283413A1 (en) * 2000-08-17 2002-02-25 Vase Technology Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
DE20017940U1 (de) 2000-10-19 2000-12-28 Map Gmbh Atemmaske zur Zufuhr eines Atemgases zu einem Maskenanwender sowie Ableitungseinrichtung zur Ableitung von Atemgas
JP4091439B2 (ja) * 2001-05-11 2008-05-28 マイン セイフティ アプライアンセス カンパニー 濾過式全面型呼吸器用面体
DE10201682A1 (de) 2002-01-17 2003-07-31 Map Medizin Technologie Gmbh Atemmaskenanordnung
WO2003035156A2 (de) 2001-10-22 2003-05-01 Map Medizin-Technologie Gmbh Atemmaskenanordnung sowie applikationsvorrichtung und stirnauflageeinrichtung hiervon
DE10151984C5 (de) 2001-10-22 2008-07-17 Map Medizin-Technologie Gmbh Applikationsvorrichtung für eine Atemmaskenanordnung
US20030089089A1 (en) 2001-10-31 2003-05-15 Fecteau Keith E. Respirator filter element
US6736138B2 (en) * 2001-11-10 2004-05-18 Amad Tayebi Seamless pad-type filter
US7334579B2 (en) * 2001-11-10 2008-02-26 Amad Tayebi Low resistance to flow filter
US6701925B1 (en) 2002-04-11 2004-03-09 Todd A. Resnick Protective hood respirator
NO316496B1 (no) * 2002-06-10 2004-02-02 Laerdal Medical As Deksel for pasientmaske
US6659102B1 (en) 2002-07-23 2003-12-09 Anthony L. Sico Oxygen mask filter system
NZ578600A (en) 2003-05-02 2011-02-25 Resmed Ltd A mask system for apnea vent holes in flexible shell and cushion as integral unit
US7320722B2 (en) * 2004-10-29 2008-01-22 3M Innovative Properties Company Respiratory protection device that has rapid threaded clean air source attachment
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
PL2308579T3 (pl) 2004-11-05 2016-06-30 Donaldson Co Inc Rozdzielacz do aerozolu
US20060096911A1 (en) * 2004-11-08 2006-05-11 Brey Larry A Particle-containing fibrous web
EA011777B1 (ru) 2005-02-04 2009-06-30 Дональдсон Компани, Инк. Фильтр и система вентиляции картера
ATE442893T1 (de) 2005-02-22 2009-10-15 Donaldson Co Inc Aerosolabscheider
NZ591992A (en) 2005-10-14 2012-11-30 Resmed Ltd Breathing mask with cushion attached to frame via lip of cushion engaging within recess between frame outer and inner walls, and guided in via angled protrusion of frame inner wall
US9216306B2 (en) 2005-12-22 2015-12-22 3M Innovative Properties Company Filter element that has plenum containing bonded continuous filaments
US20090277451A1 (en) * 2006-11-13 2009-11-12 Stanley Weinberg Strapless cantilevered respiratory mask sealable to a user's face and method
US20080110469A1 (en) * 2006-11-13 2008-05-15 Stanley Weinberg Strapless flexible tribo-charged respiratory facial mask and method
US20080156329A1 (en) * 2007-01-03 2008-07-03 Gerson Ronald L Cartridge Respirator with Integral Filter Adaptor
US8517023B2 (en) 2007-01-30 2013-08-27 Resmed Limited Mask system with interchangeable headgear connectors
MX2009009046A (es) 2007-02-22 2009-10-14 Donaldson Co Inc Metodo y elemento para filtro.
WO2008103821A2 (en) 2007-02-23 2008-08-28 Donaldson Company, Inc. Formed filter element
EP3398658B1 (de) * 2007-08-31 2021-01-20 3M Innovative Properties Company Einteiliges atemschutzgerät mit geformten elastomeren duroplast-elementen
PL2185244T3 (pl) * 2007-08-31 2017-11-30 3M Innovative Properties Company Element przyłączeniowy respiratora z formowanym,termoutwardzalnym uszczelnieniem elastomerowym
CN104524707B (zh) * 2007-08-31 2018-11-13 3M创新有限公司 呼吸保护组合面罩及其形成方法
PT2222908E (pt) 2007-12-06 2013-03-28 3M Innovative Properties Co Tecidos de eletretos com aditivos que intensificam as cargas
US11331447B2 (en) 2008-03-04 2022-05-17 ResMed Pty Ltd Mask system with snap-fit shroud
NZ624599A (en) 2008-03-04 2014-08-29 Resmed Ltd Mask system
US7765698B2 (en) 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
JP5676433B2 (ja) 2008-06-02 2015-02-25 スリーエム イノベイティブ プロパティズ カンパニー 帯電促進添加剤を備えたエレクトレットウェブ
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
KR100978602B1 (ko) * 2009-03-13 2010-08-27 정정대 방진필터 제조방법
JP5706876B2 (ja) 2009-04-03 2015-04-22 スリーエム イノベイティブ プロパティズ カンパニー エレクトレットウェブを含むオレフィン性ウェブの加工助剤
AU2010232847B2 (en) 2009-04-03 2012-09-27 3M Innovative Properties Company Electret webs with charge-enhancing additives
KR101013242B1 (ko) * 2009-04-28 2011-02-09 우제정 마스크용 커버체
KR100959146B1 (ko) * 2009-08-03 2010-05-25 (주)씨앤투스 호흡마스크용 필터
KR100943196B1 (ko) * 2009-08-03 2010-02-19 (주)씨앤투스 호흡마스크용 필터
US8460423B2 (en) 2010-05-20 2013-06-11 3M Innovative Properties Company Filter cartridge having central plenum and housing sidewall
US8984753B2 (en) 2010-05-20 2015-03-24 3M Innovative Properties Company Method of making filter cartridge having roll-based housing sidewall
GB2542060B (en) 2010-08-06 2017-08-02 Scott Tech Inc Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post
KR101051109B1 (ko) * 2010-12-09 2011-07-21 정정대 방진 마스크용 필터
US9011584B2 (en) * 2011-08-25 2015-04-21 Honeywell International Inc. End of service life indicator for respirator
US9393448B2 (en) 2011-11-17 2016-07-19 3M Innovative Properties Company Side plug-in filter cartridge
US8899227B2 (en) 2011-12-15 2014-12-02 3M Innovative Properties Company Air filtration device having subsections lacking fluid communication
US8887719B2 (en) 2011-12-15 2014-11-18 3M Innovative Properties Company Air filtration device having tuned air distribution system
US9192794B2 (en) 2012-10-25 2015-11-24 Honeywell International Inc. Noise reduction system for supplied air respirator
US9162088B2 (en) 2012-10-25 2015-10-20 Honeywell International Inc. Method of assembly and disassembly of abrasive blast respirator
US9192796B2 (en) * 2012-10-25 2015-11-24 Honeywell International Inc. Method of donning and testing abrasive blast respirator
US9192793B2 (en) 2012-10-25 2015-11-24 Honeywell International Inc. Abrasive blast respirator
US9510626B2 (en) 2013-02-01 2016-12-06 3M Innovative Properties Company Sleeve-fit respirator cartridge
AR095434A1 (es) * 2013-03-15 2015-10-14 Scott Tech Inc Interfaz de filtro de respirador
US9814913B2 (en) 2013-11-15 2017-11-14 3M Innovative Properties Company Respirator with floating elastomeric sleeve
KR101530869B1 (ko) * 2014-03-06 2015-06-23 팩컴코리아(주) 일상 생활용 마스크
USD745962S1 (en) 2014-05-22 2015-12-22 3M Innovative Properties Company Respirator filter retainer
USD787660S1 (en) 2014-05-22 2017-05-23 3M Innovative Properties Company Respirator mask having a face seal flexing region
USD746438S1 (en) 2014-05-22 2015-12-29 3M Innovative Properties Company Respirator filter cover
USD754844S1 (en) 2014-05-22 2016-04-26 3M Innovative Properties Company Respirator mask
USD746437S1 (en) 2014-05-22 2015-12-29 3M Innovative Properties Company Respirator mask having a communication grille
USD757928S1 (en) 2014-05-22 2016-05-31 3M Innovative Properties Company Respirator cartridge body
USD759807S1 (en) 2014-05-22 2016-06-21 3M Innovative Properties Company Respirator mask exhalation port
USD744088S1 (en) 2014-05-22 2015-11-24 3M Innovative Properties Company Respirator mask having a circular button
USD757247S1 (en) 2014-05-22 2016-05-24 3M Innovative Properties Company Respirator cartridge
EP3188612B1 (de) 2014-09-05 2023-07-05 Honeywell International Inc. Anzeige des endes der lebensdauer eines einwegmaske
DE102014017533A1 (de) * 2014-11-21 2016-05-25 Jrp Vision Ltd. Luftzuführeinrichtung
KR101524219B1 (ko) * 2014-12-16 2015-05-29 삼공물산 주식회사 정화통의 결합구조 및 이를 포함하는 방독면
USD762845S1 (en) 2015-02-27 2016-08-02 3M Innovative Properties Company Respirator cartridge
USD786443S1 (en) 2015-02-27 2017-05-09 3M Innovative Properties Company Filter element
USD763437S1 (en) 2015-02-27 2016-08-09 3M Innovative Properties Company Respirator cartridge body
USD792959S1 (en) * 2015-02-27 2017-07-25 3M Innovative Properties Company Filter element having a pattern
USD795415S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator cartridge having an engagement latch
AU2016223087B2 (en) 2015-02-27 2019-01-03 3M Innovative Properties Company Flexible filter element having an end outlet
USD795416S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator mask
USD743536S1 (en) 2015-02-27 2015-11-17 3M Innovative Properties Company Respirator mask having a circular button
USD741475S1 (en) 2015-02-27 2015-10-20 3M Innovation Properties Company Respirator mask having a communication grille
USD779674S1 (en) 2015-02-27 2017-02-21 3M Innovative Properties Company Filter element having a connector
USD747795S1 (en) 2015-02-27 2016-01-19 3M Innovative Properties Company Respirator mask body
USD767116S1 (en) 2015-02-27 2016-09-20 3M Innovative Properties Company Respirator mask having an exhalation port
USD742504S1 (en) 2015-02-27 2015-11-03 3M Innovative Properties Company Respirator mask
WO2017172361A1 (en) 2016-03-28 2017-10-05 3M Innovative Properties Company Multiple chamber respirator sealing devices and methods
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
USD816209S1 (en) 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
KR102450400B1 (ko) 2016-03-28 2022-10-04 쓰리엠 이노베이티브 프로퍼티즈 캄파니 호흡기 적합성 검사 밀봉 장치 및 방법
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
CN210020905U (zh) * 2016-05-11 2020-02-07 3M创新有限公司 转接器及包括转接器的组件
WO2018127939A1 (en) * 2017-01-07 2018-07-12 Mahesh Kudav Twist and click locking mechanism of replaceable non symmetrical filter and inner yoke fitting part of half mask face piece
CN106853273A (zh) * 2017-03-08 2017-06-16 成都凯力科技有限公司 一种过滤口罩
IT201800001827A1 (it) * 2018-01-25 2019-07-25 Mares Spa Valvola a membrana ed un metodo per la sua realizzazione
US11123583B2 (en) * 2018-04-19 2021-09-21 Jackson Nestelroad Emergency aircraft passenger oxygen respirator
CN114096700A (zh) 2019-06-28 2022-02-25 3M创新有限公司 芯-鞘纤维、非织造纤维幅材以及包括它们的呼吸器
EP3990147A1 (de) 2019-06-28 2022-05-04 3M Innovative Properties Company Filteranordnung, vorfilteranordnung und atemschutzgerät damit
WO2021202306A1 (en) * 2020-03-28 2021-10-07 Proveris Scientific Corporation Respiration apparatus and methods of use thereof
KR20210130881A (ko) * 2020-04-22 2021-11-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 스페이서, 호흡 보조 장치 및 이를 포함하는 마스크
EP4157364A1 (de) * 2020-06-02 2023-04-05 Virender K. Sharma Verfahren und systeme zur luftverwaltung zur verringerung oder blockierung der exposition gegenüber luftpathogenen
USD946745S1 (en) * 2020-08-07 2022-03-22 The United States Of America As Represented By The Secretary Of The Navy Filtered face mask
USD946746S1 (en) * 2020-08-07 2022-03-22 The United States Of America As Represented By The Secretary Of The Navy Filtered face mask respirator
USD946744S1 (en) * 2020-08-07 2022-03-22 The United States Of America As Represented By The Secretary Of The Navy Filtered face mask with cap
WO2022091060A1 (en) 2020-11-02 2022-05-05 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and filtering articles including the same
JP2024501213A (ja) 2020-12-18 2024-01-11 スリーエム イノベイティブ プロパティズ カンパニー 置換シクロトリホスファゼン化合物を含むエレクトレット及びそれから得られる物品
WO2022192389A1 (en) * 2021-03-10 2022-09-15 Milwaukee Electric Tool Corporation Reusable respirator

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30782A (en) * 1860-11-27 John wright
US32171A (en) * 1861-04-30 Coiffibinatioit-lbck
GB470850A (en) * 1936-01-17 1937-08-17 John Ambrose Sadd Improvements in respirators and the like
US2206061A (en) * 1936-11-06 1940-07-02 American Optical Corp Respirator
US2220374A (en) * 1936-11-23 1940-11-05 Howard B Lewis Respirator
US2227959A (en) * 1937-10-11 1941-01-07 Harvey S Cover Respirator filter
GB573951A (en) * 1939-11-15 1945-12-14 Henry Lionel Green Improvements in filters
US2320770A (en) * 1940-12-20 1943-06-01 Harvey S Cover Respirator
US2295119A (en) * 1941-01-02 1942-09-08 Malcom Respirator
US3316904A (en) * 1961-07-31 1967-05-02 Minnesota Mining & Mfg Filtering web for face masks and face masks made therefrom
GB1041394A (en) * 1963-09-05 1966-09-07 Martindale Electric Company Lt Filter pads for sanitary masks and sanitary masks incorporating such pads
BE788211A (fr) * 1971-09-16 1973-02-28 Pall Corp Appareil disposable pour filtrer les gaz
US3803817A (en) * 1971-11-02 1974-04-16 Ato Inc Filter assembly
US3971373A (en) * 1974-01-21 1976-07-27 Minnesota Mining And Manufacturing Company Particle-loaded microfiber sheet product and respirators made therefrom
US4011067A (en) * 1974-01-30 1977-03-08 Minnesota Mining And Manufacturing Company Filter medium layered between supporting layers
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
US4064876A (en) * 1976-01-30 1977-12-27 Stanley I. Wolf Air-pollution filter and face mask
US4133656A (en) * 1976-03-23 1979-01-09 Becton, Dickinson And Company Bacteria filters with transparent housings
CA1100419A (en) * 1977-01-05 1981-05-05 John A. Jones Organic vapor respirator cartridge end-of-service indicator system and method
US4133309A (en) * 1977-05-13 1979-01-09 Minnesota Mining And Manufacturing Company Sorbent material and a respirator containing the sorbent material
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
US4386948A (en) * 1979-12-20 1983-06-07 American Hospital Supply Corporation Filter drive
US4583535A (en) * 1980-08-07 1986-04-22 Saffo John J Protection mask
US4414973A (en) * 1981-03-10 1983-11-15 U.S.D. Corp. Respirator face mask
US4382440A (en) * 1981-03-18 1983-05-10 Kapp Nancy J Smoke and pollutant filtering device
US4501272A (en) * 1981-10-30 1985-02-26 Shigematsu Works Co., Ltd. Mask
US4572178A (en) * 1983-04-01 1986-02-25 Toyo Cci Kabushiki Kaisha Emergency mask
US4543112A (en) * 1984-04-30 1985-09-24 Figgie International Inc. Sorbent type filter assembly for a respirator and method of making same
US4556326A (en) * 1984-10-09 1985-12-03 Kitchen Iii George H Method for testing and treating stored fuel
CA1264681C (en) * 1985-07-03 1990-01-23 Mini Defence AUTOMATED PRODUCTION OF CANS
JPS62106778A (ja) * 1985-11-05 1987-05-18 天昇電気工業株式会社 防煙マスク
US4807619A (en) * 1986-04-07 1989-02-28 Minnesota Mining And Manufacturing Company Resilient shape-retaining fibrous filtration face mask
DE3719420A1 (de) * 1987-06-11 1988-12-29 Sandler Helmut Helsa Werke Atemschutzmaske
US4754751A (en) * 1987-06-11 1988-07-05 Mine Safety Appliances Company Escape respirator
US4886058A (en) * 1988-05-17 1989-12-12 Minnesota Mining And Manufacturing Company Filter element

Also Published As

Publication number Publication date
MX168560B (es) 1993-05-31
KR890016983A (ko) 1989-12-14
AU3313989A (en) 1989-11-23
JPH0219175A (ja) 1990-01-23
CA1332716C (en) 1994-10-25
EP0342807A3 (de) 1992-05-06
EP0342807A2 (de) 1989-11-23
ZA893011B (en) 1990-12-28
US4886058A (en) 1989-12-12
JP2994402B2 (ja) 1999-12-27
AU617454B2 (en) 1991-11-28
BR8902282A (pt) 1990-01-09
DK175092B1 (da) 2004-05-24
AR244095A1 (es) 1993-10-29
DK238389D0 (da) 1989-05-16
DE68923906D1 (de) 1995-09-28
USRE35062E (en) 1995-10-17
KR960005210B1 (ko) 1996-04-23
EP0342807B1 (de) 1995-08-23
DK238389A (da) 1989-11-18
ES2076208T3 (es) 1995-11-01

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