EP0764452A2 - Masque respiratoire - Google Patents

Masque respiratoire Download PDF

Info

Publication number
EP0764452A2
EP0764452A2 EP96113718A EP96113718A EP0764452A2 EP 0764452 A2 EP0764452 A2 EP 0764452A2 EP 96113718 A EP96113718 A EP 96113718A EP 96113718 A EP96113718 A EP 96113718A EP 0764452 A2 EP0764452 A2 EP 0764452A2
Authority
EP
European Patent Office
Prior art keywords
mask
filter
filter element
mask body
mask according
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.)
Granted
Application number
EP96113718A
Other languages
German (de)
English (en)
Other versions
EP0764452B1 (fr
EP0764452A3 (fr
Inventor
Klaus-Dieter Dahrendorf
Günter Von Kopp
Joachim Schlobohm
Wolfgang Drews
Joachim W. Siegel
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.)
Auergesellschaft GmbH
Draegerwerk AG and Co KGaA
Original Assignee
Auergesellschaft GmbH
Draegerwerk AG and Co KGaA
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 Auergesellschaft GmbH, Draegerwerk AG and Co KGaA filed Critical Auergesellschaft GmbH
Publication of EP0764452A2 publication Critical patent/EP0764452A2/fr
Publication of EP0764452A3 publication Critical patent/EP0764452A3/fr
Application granted granted Critical
Publication of EP0764452B1 publication Critical patent/EP0764452B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Definitions

  • the invention relates to a breathing mask according to the preamble of patent claim 1.
  • a breathing mask with a mask body designed as a full mask has become known from DE-PS 17 08 046.
  • the well-known breathing mask consists of a mask body with connection options for filters and breathing valves.
  • the mask body is designed so that two filters can be attached laterally in the cheek area of the mask body, or a single filter is inserted into the mask body in the middle of the mask body in the mouth area.
  • two flat disks are provided, which are fastened directly in the mask body material.
  • a disadvantage of the known respirator mask is that the center of gravity of the respirator mask is positioned in front of it, due to the filters attached to the side, or the filter located in the center of the mask body, which considerably impairs the wearing comfort.
  • the protruding filters interfere with the operation of devices.
  • the two panes in the mask body limit the field of view to an area immediately in front of the eyes of the mask wearer and do not allow a view in the side area of the mask body.
  • inadequate adaptation of the panes to optical devices is possible, since the panes are firmly integrated into the mask body material. An angular offset between the panes and the lenses of the optical device can result in distortions or reflections which make the use of such devices more difficult.
  • DE-GM 10 12 689 discloses a face mask with four eye glasses inserted into the mask body, two of which are arranged in the area of the center of the mask body and the other two eye glasses are arranged in the side areas of the mask body.
  • the segmented division of the eye glasses increases the viewing area compared to an arrangement with only two glasses, but the area of perception is limited in places to the individual viewing areas of the eye glasses, which impairs the use of the mask in the close range.
  • the invention has for its object to improve a respirator of the type mentioned in such a way that the wearing properties when the filter is attached are improved with respect to the center of gravity, a larger field of vision is available and there is good adaptability to optical devices.
  • the advantage of the invention consists essentially in the fact that, by designing the filter as a U-shaped filter element encompassing the mask body from the center of the mask body to the cheek area, the center of gravity is shifted to the mask wearer and the dead space in the cheek area of the respirator mask is particularly well utilized becomes, which significantly increases the usability of the respirator.
  • the lenses are made of solid, optical material with good transmission properties.
  • the mask body in the area of the filter element is designed as a filter receptacle shaped corresponding to the inner surface of the filter element, and when the filter element is pushed onto the mask body, the inner surface of the filter lies flush against the filter receptacle.
  • the filter connection of the filter element is expediently arranged in the center of the mask body.
  • the filter connection can be designed as a plug, screw or bayonet connection, the plug connection being the preferred embodiment.
  • the lenses are tapered towards the center of the mask body, e.g. triangular first viewing panes, which are located in the main viewing area of the mask wearer, and as round tapering to the rear, e.g. semicircular second lenses, which are arranged in the side region of the mask body.
  • Flat or spherically curved glasses can be used as viewing panes.
  • By fastening the viewing panes within the flexible elastomer section they can be displaced and tilted relative to one another and can therefore be adapted particularly well to optical devices. Due to the flexibility of the elastomer section, it is also possible to use the viewing panes, e.g. when putting on an optical device, closer to the face, i.e. to the eyes of the mask wearer.
  • the viewing windows can be molded or glued into the elastomer section.
  • the elastomer section is made from a clear, thermoplastic elastomer (TPE).
  • a holder for receiving a speech membrane is expediently attached in the middle of the mask body above the filter element.
  • the speech membrane is located approximately in the mouth area of the mask wearer. In this way, particularly good communication is possible.
  • the exhalation valve is conveniently located at the deepest point of the mask body, i.e. attached below the filter element in the chin area. Any condensation water inside the mask body can flow directly into the environment.
  • a total of six attachment points are provided on the mask body for attaching a head strap, with two of the attachment points on the mask body being at the level of the filter element in order to support the respirator mask in the area of the center of gravity. In this way, particularly pleasant wearing properties of the respiratory mask are achieved.
  • the fastening points located at the level of the filter element can also be attached directly to the filter element, or there are fastening points both on the mask body and on the filter element.
  • the inclusion of the filter element in the attachment of the headgear further improves the support of the breathing mask in the area of focus.
  • the filter element is designed so that the gas inlet openings at the ends of the side parts, i.e. lie on the leg ends of the U-shaped filter element.
  • the gas flow then takes place symmetrically from the two opposite gas inlet openings to the centrally arranged filter connection.
  • the filter element contains individual sorption layers, e.g. made of activated carbon, for the adsorption of harmful gases.
  • a useful sequence of the air cleaning layers within the filter element is a nonwoven body as a particle separator and one or more activated carbon cartridges for the harmful gas adsorption.
  • the filter element is advantageously designed as a cassette filter with an openable filter housing, into which individual air cleaning layers can be inserted or can also be removed therefrom after use.
  • the preparation of the cassette filter is considerably simplified since the filter housing can be used several times and only the air cleaning layers are replaced have to. The used sorption layers can thus be immediately reprocessed.
  • FIG. 1 shows a breathing mask 1 with a mask body 2 designed as a full mask, which is made of a thermoplastic elastomer (TPE) and at the same time is designed as a sealing edge to the face of a mask wearer (not shown in FIG. 1).
  • the mask body 2 is designed symmetrically with respect to the center of the mask body 3, as the axis of symmetry of the respirator mask 1.
  • a rectangular cutout is provided, which is closed with a correspondingly designed, rectangular, flexible and transparent elastomer section 4.
  • the elastomer section 4 also consists of a TPE. In the elastomer section 4, which is highlighted by a hatching in FIG.
  • first viewing panes 5 tapering towards the center of the mask body 3 and semicircular second viewing panes 6 are inserted, which are seen from the center of the mask body 3 behind the first viewing panes 5 in Side area of the mask body 2 lie.
  • the first viewing panes 5 form an angle to one another of approximately 170 degrees and the second viewing panes 6 are angled by approximately 120 degrees with respect to the respectively adjacent first viewing panes 5. In this way it is achieved that both in the front area and in the side area of the mask body 2, the viewing windows 5, 6 only Mask body 2, the lenses 5, 6 have only a slight angular offset with respect to the visual axis of the mask wearer.
  • the lower part of the mask body 2 is designed as a U-shaped filter receptacle 8 with a breath connection 9 from the center of the mask body 3 to the cheek region 7. Above the breathing connection 9 there is a holder 10 for a speech membrane, not shown in FIG. 1, and below the breathing connection 9 there is an exhalation valve 11.
  • a U-shaped curved cassette filter 12 as a filter element with a filter connection 13 has an inner surface 14 which is shaped corresponding to the filter receptacle 8. In this way, the cassette filter 12 can be pushed onto the filter holder 8 with a precise fit. When the cassette filter 12 is pushed onto the filter receptacle 8 along the arrow 19, the filter connection 13 engages in the breathing connection 9.
  • FIG. 1 shows the respiratory protection mask 1 with the cassette filter 12 removed.
  • FIG. 2 shows the respiratory protection mask 1 with the cassette filter 12 attached. Identical components in FIG. 2 are identified by the same reference numerals in FIG. 1.
  • FIGS. 1 and 2 Six attachment points 20, 21, 22, 23, 24, 25 are provided on the mask body 2 for a head harness 26, two of the attachment points 22, 24 being attached to the mask body 2 at the level of the filter holder 8 in order to support the mask body 2 in the region of its center of gravity .
  • the head strap 26 is sewn together from individual, biaxially stretchable pieces of fabric.
  • the relaxed state of the head strap 26 is illustrated in FIGS. 1 and 2. Due to the concave shape of the head strap 26 in the relaxed state, there is a particularly good fit on the head of the mask wearer, not shown in FIGS. 1 and 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Eyeglasses (AREA)
EP96113718A 1995-09-21 1996-08-28 Masque respiratoire Expired - Lifetime EP0764452B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19534985A DE19534985C2 (de) 1995-09-21 1995-09-21 Atemschutzmaske
DE19534985 1995-09-21

Publications (3)

Publication Number Publication Date
EP0764452A2 true EP0764452A2 (fr) 1997-03-26
EP0764452A3 EP0764452A3 (fr) 1998-03-18
EP0764452B1 EP0764452B1 (fr) 2001-11-14

Family

ID=7772712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96113718A Expired - Lifetime EP0764452B1 (fr) 1995-09-21 1996-08-28 Masque respiratoire

Country Status (5)

Country Link
US (1) US5669375A (fr)
EP (1) EP0764452B1 (fr)
CA (1) CA2184330C (fr)
CZ (1) CZ289527B6 (fr)
DE (2) DE19534985C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005523752A (ja) * 2002-04-26 2005-08-11 エイヴォン プロテクション システムズ，インコーポレーテッド ガスマスクフィルタキャニスタ
DE102014001938A1 (de) * 2014-02-06 2015-08-20 Moldex-Metric Ag & Co. Kg Atemschutzmaske mit Bajonettverschluss für ein Filtermodul
CN109077378A (zh) * 2018-08-17 2018-12-25 张锡林 一种工业用面部防护罩
WO2021219166A1 (fr) * 2020-04-27 2021-11-04 Fritz Schmitt Masque muni d'un filtre

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481019B2 (en) 2000-01-18 2002-11-19 Stryker Instruments Air filtration system including a helmet assembly
DE10140575C1 (de) * 2001-08-17 2003-06-18 Msa Auer Gmbh Bänderung für eine Atemschutzmaske
US6701925B1 (en) 2002-04-11 2004-03-09 Todd A. Resnick Protective hood respirator
DE03721846T1 (de) * 2002-04-25 2005-07-14 Avon Protection Systems, Inc., Cadillac Atemschutzgerätfilterbehälter und verfahren zu seiner füllung
US7152600B2 (en) * 2003-01-22 2006-12-26 Biokidz Usa Nfp Biohazard mask suitable for civilians
US6990691B2 (en) 2003-07-18 2006-01-31 Depuy Products, Inc. Head gear apparatus
US7523750B2 (en) * 2003-11-12 2009-04-28 Krzysztofik J Mario Breathing respirator
EP1768751B1 (fr) * 2004-06-03 2010-02-24 David R. Freriks Médium filtrant pour masque biologique
EP1865799B1 (fr) * 2005-03-24 2010-06-09 Stryker Corporation Systeme de protection personnel
US7028688B1 (en) * 2005-04-05 2006-04-18 The United States Of America As Represented By The Secretary Of The Army Operationally adaptable chemical-biological mask
GB2453134A (en) * 2007-09-26 2009-04-01 Robin Middlemass Howie Compact filter mask
US8234722B2 (en) * 2007-12-14 2012-08-07 Stryker Corporation Personal protection system with head unit having easy access controls and protective covering having glare avoiding face shield
US9393448B2 (en) * 2011-11-17 2016-07-19 3M Innovative Properties Company Side plug-in filter cartridge
WO2013165988A1 (fr) * 2012-04-30 2013-11-07 Scott Technologies, Inc. Demi-masque
US9510626B2 (en) * 2013-02-01 2016-12-06 3M Innovative Properties Company Sleeve-fit respirator cartridge
US11052268B2 (en) 2013-02-01 2021-07-06 3M Innovative Properties Company Respirator negative pressure fit check devices and methods
US9950202B2 (en) 2013-02-01 2018-04-24 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
US9814913B2 (en) 2013-11-15 2017-11-14 3M Innovative Properties Company Respirator with floating elastomeric sleeve
USD746438S1 (en) 2014-05-22 2015-12-29 3M Innovative Properties Company Respirator filter cover
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
USD757928S1 (en) 2014-05-22 2016-05-31 3M Innovative Properties Company Respirator cartridge body
USD757247S1 (en) 2014-05-22 2016-05-24 3M Innovative Properties Company Respirator cartridge
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
USD746437S1 (en) 2014-05-22 2015-12-29 3M Innovative Properties Company Respirator mask having a communication grille
USD754844S1 (en) 2014-05-22 2016-04-26 3M Innovative Properties Company Respirator mask
USD741475S1 (en) 2015-02-27 2015-10-20 3M Innovation Properties Company Respirator mask having a communication grille
USD747795S1 (en) 2015-02-27 2016-01-19 3M Innovative Properties Company Respirator mask body
USD743536S1 (en) 2015-02-27 2015-11-17 3M Innovative Properties Company Respirator mask having a circular button
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
USD762845S1 (en) 2015-02-27 2016-08-02 3M Innovative Properties Company Respirator cartridge
USD795415S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator cartridge having an engagement latch
USD795416S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator mask
USD763437S1 (en) 2015-02-27 2016-08-09 3M Innovative Properties Company Respirator cartridge body
CN108348791A (zh) 2015-11-19 2018-07-31 3M创新有限公司 具有贴合检查装置的过滤器滤筒保持器
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
KR102420496B1 (ko) 2016-03-28 2022-07-13 쓰리엠 이노베이티브 프로퍼티즈 캄파니 다중 챔버 호흡기 밀봉 장치 및 방법
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
CN108883321A (zh) 2016-03-28 2018-11-23 3M创新有限公司 头戴件悬架附接元件
CN109621245B (zh) * 2018-12-11 2021-03-05 福建省光大消防设备有限公司 一种过滤式消防自救呼吸器
KR102611200B1 (ko) * 2021-07-19 2023-12-08 엘지전자 주식회사 마스크 장치
KR102542490B1 (ko) * 2021-07-19 2023-06-12 엘지전자 주식회사 마스크 장치

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US2575483A (en) * 1950-02-16 1951-11-20 Willson Products Inc Gas mask canister
DE1012689B (de) * 1953-04-25 1957-07-25 Flora Mannesmann Geb Nestler Schaltanordnung zum Aufladen eines Kondensators, vorzugsweise eines Zuendkondensators fuer Elektronenblitzgeraete
US2898908A (en) * 1954-04-06 1959-08-11 Sovinsky Eugene Field protective mask
DE1708046C3 (de) * 1967-06-10 1975-08-28 Draegerwerk Ag, 2400 Luebeck Atemschutzmaske
US4736740A (en) * 1985-09-09 1988-04-12 Robin Parker Gas mask with voice communication device
DE4017336C1 (fr) * 1990-05-30 1991-06-13 Draegerwerk Ag, 2400 Luebeck, De
DE4020127C1 (fr) * 1990-06-25 1991-10-24 Draegerwerk Ag, 2400 Luebeck, De
FI87047C (fi) * 1991-05-02 1992-11-25 Air Ace Oy Luftvaexlingssystem foer andningsskydd och andningsskydd
US5427092A (en) * 1993-11-30 1995-06-27 Shiao; Chuan-Ju Respirator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005523752A (ja) * 2002-04-26 2005-08-11 エイヴォン プロテクション システムズ，インコーポレーテッド ガスマスクフィルタキャニスタ
US8292991B2 (en) 2002-04-26 2012-10-23 Avon Protection Systems, Inc. Gas mask filter canister
DE102014001938A1 (de) * 2014-02-06 2015-08-20 Moldex-Metric Ag & Co. Kg Atemschutzmaske mit Bajonettverschluss für ein Filtermodul
DE102014001938B4 (de) * 2014-02-06 2015-10-22 Moldex-Metric Ag & Co. Kg Atemschutzmaske mit Bajonettverschluss für ein Filtermodul
CN109077378A (zh) * 2018-08-17 2018-12-25 张锡林 一种工业用面部防护罩
WO2021219166A1 (fr) * 2020-04-27 2021-11-04 Fritz Schmitt Masque muni d'un filtre

Also Published As

Publication number Publication date
EP0764452B1 (fr) 2001-11-14
CZ273396A3 (en) 1997-04-16
CA2184330C (fr) 2002-11-19
DE59608189D1 (de) 2001-12-20
CA2184330A1 (fr) 1997-03-22
US5669375A (en) 1997-09-23
EP0764452A3 (fr) 1998-03-18
DE19534985A1 (de) 1997-03-27
CZ289527B6 (cs) 2002-02-13
DE19534985C2 (de) 1998-02-12

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