EP0764452B1 - Masque respiratoire - Google Patents

Masque respiratoire Download PDF

Info

Publication number
EP0764452B1
EP0764452B1 EP96113718A EP96113718A EP0764452B1 EP 0764452 B1 EP0764452 B1 EP 0764452B1 EP 96113718 A EP96113718 A EP 96113718A EP 96113718 A EP96113718 A EP 96113718A EP 0764452 B1 EP0764452 B1 EP 0764452B1
Authority
EP
European Patent Office
Prior art keywords
filter
respiratory mask
body portion
mask according
filter unit
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
EP96113718A
Other languages
German (de)
English (en)
Other versions
EP0764452A2 (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 generic term of Claim 1.
  • a respirator with a full face mask Mask body has become known from DE-PS 17 08 046.
  • the well-known Respirator mask consists of a mask body with Connection options for filters and breathing valves.
  • the mask body is like this designed that two filters laterally in the cheek area of the mask body can be attached, or there will be a single filter in the Middle of the mask body in the mouth area inserted into the mask body. in the Visible area of the mask body, two flat panes are provided, the are attached directly in the mask body material.
  • a disadvantage of the known respiratory mask is that the side attached filter, or the one located in the middle of the mask body Filter, the center of gravity of the respirator mask is what the Comfort significantly impaired.
  • the protruding Filters when operating devices.
  • the two disks in the mask body limit the field of vision to one immediately before the eyes of the Mask wearer lying area and allow no view in the side area of the mask body.
  • the known respirator mask only insufficient adaptation of the panes to optical devices possible, since the discs are firmly integrated into the mask body material. By an angular offset between the discs and the lenses of the optical Distortion or reflections can occur, which can damage the device Difficulty using such devices.
  • From DE-GM 10 12 689 is a face mask with four in the Mask body used eye glasses known, two of which in Area of the center of the mask and the other two eye glasses in the Side areas of the mask body are arranged.
  • the viewing area becomes segment-like division of the eye glasses enlarged compared to an arrangement with only two glasses, however the perception area selectively on the individual viewing areas of the Eyewear limits what the use of the mask at close range impaired.
  • WO 92/19 322 is a U-shaped from the center of the mask body to Air duct system for a Respiratory mask known from both the inhaled air and the Exhaled air is flowed through separate channels.
  • the Air guidance system serves as a heat exchanger to the inhaled air by means of the to temper the heat emitted by the exhaled air. Through the Warming up the inhaled air is said to cause condensation effects within the Respirator mask are prevented.
  • the air duct system also serves for filtering the inhaled air, using an air duct system surface covering filter element is provided.
  • the invention has for its object a breathing mask to improve the type mentioned so that the wearing properties attached filter can be improved with regard to the center of gravity There is a larger field of vision and good adaptability to optical Devices.
  • the advantage of the invention is essentially that Formation of the filter as a U-shaped, the mask body of the
  • the body of the mask encompasses the cheek area Filter element that shifts the center of gravity to the mask carrier, and also the dead space in the cheek area of the breathing mask is particularly good is exploited what the fitness for purpose of the respirator clearly increased.
  • a rectangular, transparent elastomer section in the visible area of the mask body, in The field of view becomes clear as to which individual lenses are used increased, as there is now a visual outside of the viewing panes Perceptibility of the environment exists.
  • the viewing panels are out solid, optical material with good transmission properties.
  • the mask body is advantageously in the region of the filter element as a shaped corresponding to the inner surface of the filter element Filter holder executed, and with pushed onto the mask body Filter element, the inner surface of the filter is flush with the filter holder on.
  • the filter connection of the filter element is advantageously in the Arranged middle of the mask body.
  • the filter connection can be Screw or bayonet connection, the plug connection represents the preferred embodiment.
  • the viewing windows are towards the center of the mask body tapered, e.g. triangular first viewing panels, which in The main field of vision of the mask wearer, and as round to the rear expiring, e.g. semicircular second lenses, which are arranged in the side region of the mask body.
  • first viewing panels which in The main field of vision of the mask wearer
  • semicircular second lenses which are arranged in the side region of the mask body.
  • viewing panels flat or spherically curved glasses can be used.
  • By the attachment of the viewing panels within the compliant Elastomer section these are mutually displaceable and tiltable and can therefore be adapted particularly well to optical devices. Due to the flexibility of the elastomer section, it is also possible Viewing panels, e.g. when putting on an optical device, closer to Face, i.e. to the eyes of the mask wearer.
  • the Viewing windows can be molded or glued into the elastomer section his.
  • the elastomer section is made of
  • a holder for receiving a speech membrane appropriate 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. This is a particularly good communication possible.
  • the exhalation valve is conveniently located at the lowest point of the Mask body, i.e. below the filter element in the chin area appropriate. So possibly something inside the mask body Drain condensate directly into the environment.
  • attachment points on the mask body for attachment a head strap there are a total of six attachment points on the mask body for attachment a head strap provided, with two of the attachment points located on the mask body at the level of the filter element in order to Support breathing mask in the area of the focus. To this Ways are particularly pleasant to wear Respiratory mask reached.
  • the level of the filter element Attachment points can also be attached directly to the filter element be, or there are attachment points both on the mask body as well as on the filter element. By including the filter element in the attachment of the headgear will support the Respiratory mask in the focus area further improved.
  • the filter element is designed so that the Gas inlet openings at the ends of the side parts, i.e. to the Leg ends of the U-shaped filter element lie.
  • the Gas flow then occurs symmetrically from the two opposite Gas inlet openings to the centrally located filter connection.
  • the Filter element contains individual sorption layers, e.g. made of activated carbon, for Adsorption of harmful gases.
  • An appropriate order of Air cleaning layers within the filter element is a non-woven body Particle separator and one or more activated carbon cartridges Pollutant gas adsorption.
  • the filter element is advantageously designed as a cassette filter with a openable filter housing, in which individual Air cleaning layers can be inserted or, after use, also from this are removable.
  • the preparation of the Cassette filter significantly simplified because the filter housing multiple can be used and only the air cleaning layers can be replaced have to.
  • the used sorption layers can be immediately one Reprocessing can be fed.
  • FIG 1 shows a respirator 1 with a full face mask trained mask body 2, which is made of a thermoplastic Elastomer (TPE) manufactured and at the same time as a sealing edge to the face of an in the mask carrier not shown in Figure 1 is formed.
  • the Mask body 2 is symmetrical to the center of the mask body 3, as Axis of symmetry of the respirator 1.
  • a rectangular cutout provided with a correspondingly executed, rectangular, flexible and transparent elastomer section 4 is closed.
  • the Elastomer section 4 also consists of a TPE.
  • first viewing panels 5 and semicircular second Viewing panes 6 used seen from the center of the mask body 3 behind the first viewing panes 5 in the side area of the mask body 2 lie.
  • the first viewing panes 5 form an angle with one another of approximately 170 degrees and the second lens 6 are opposite to each adjacent first viewing panes 5 by about 120 degrees angled. In this way it is achieved that both in the front area and also in the side area of the mask body 2, the viewing panes 5, 6 only Mask body 2, the lenses 5, 6 only a small angular offset opposite the line of sight of the mask wearer.
  • the lower part of the mask body 2 is from the center of the mask body 3 to to cheek area 7 as a U-shaped filter holder 8 with a Breathing connection 9 executed.
  • a holder 10 for a speech membrane, not shown in Figure 1 and an exhalation valve 11 is arranged below the breathing connection 9.
  • a U-shaped curved cassette filter 12 as a filter element with a Filter connection 13 has an inner surface 14 which corresponds to Filter receptacle 8 is shaped. In this way, the cassette filter 12 fit snugly onto the filter holder 8. When postponing the Cassette filter 12 on the filter holder 8 along the arrow 19 engages Filter connection 13 in the breathing connection 9.
  • the cassette filter 12 has on its side parts 15, 16 Gas inlet openings 17, 18, the gas flow being symmetrical from the Gas inlet openings 17, 18 to the filter connection 13.
  • Figure 1 shows the respiratory mask 1 with the cassette filter 12 removed.
  • the same components in FIG. 2 are included the same reference numerals of Figure 1.
  • FIG. 1 the relaxed state of the Head strap 26 illustrates. Due to the concave shape of the Head strap 26 in the relaxed state results in a particularly good one Fit on the head of the not shown in Figures 1 and 2 Mask wearer.

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)

Claims (11)

  1. Masque respiratoire protecteur comportant un corps (2) de masque conformé en masque complet avec un champ visuel et un filtre (12) apte à être rapporté au centre (3) du corps de masque ou latéralement dans la zone (7) avoisinant les joues et comportant un raccord (13) de filtre, caractérisé en ce que le filtre est agencé sous forme d'élément (12) de filtre s'étendant en U du centre (3) du corps de masque jusqu'à la zone (7) avoisinant les joues, et le champs visuel est constitué d'une portion souple et transparente en élastomère dans laquelle sont insérées des vitres (5, 6) de regard sous forme de segments distincts en matière solide.
  2. Masque respiratoire protecteur selon la revendication 1, caractérisé en ce que, dans la zone affectée par l'élément de filtre (12), le corps (2) de masque est agencé pour former un siège (8) de filtre qui est conformé en correspondance au moins avec la face intérieure (14) de l'élément (12) de filtre et sur lequel l'élément (12) de filtre peut être glissé.
  3. Masque respiratoire protecteur selon la revendication 2, caractérisé en ce que, sur le siège (8) de filtre, au voisinage du centre (3) du corps de masque, un raccord (9) de respiration est prévu pour le raccord (13) de filtre.
  4. Masque respiratoire protecteur selon la revendication 3, caractérisé en ce que le raccord (9) de respiration et le raccord (13) de filtre sont agencés sous forme de raccords embrochables, raccords filetés ou raccords à baionette.
  5. Masque respiratoire protecteur selon une des revendications 1 à 4, caractérisé en ce que les vitres de regard sont agencées sous forme de premières vitres (5) sensiblement triangulaires s'effilant vers le centre (3) du corps de masque et de secondes vitres (6) arrondies vers l'arrière et disposées dans la partie latérale du corps (2) de masque.
  6. Masque respiratoire protecteur selon une des revendications 1 à 5, caractérisé en ce qu'un support recevant une membrane de conversation est disposé sur le corps (2) de masque au-dessus de l'élément (12) de filtre.
  7. Masque respiratoire protecteur selon une des revendications 1 à 6, caractérisé en ce qu' un soupape (11) d'expiration est prévu sur le corps (2) de masque au-dessous de l'élément (12) de filtre.
  8. Masque respiratoire protecteur selon une des revendications 1 à 7, caractérisé en ce que, sur le corps (2) de masque, des points (20, 21, 22, 23, 24, 25) d'attache sont prévus pour le montage d'un rubanage (26) serre-tête à plusieurs branches et que deux (22, 24) des points d'attache sont disposés sur le corps (2) de masque, au niveau de l'élément (12) de filtre.
  9. Masque respiratoire protecteur selon la revendication 8, caractérisé en ce que les points (22, 24) d'attache appartiennent à l'élément (12) de filtre.
  10. Masque respiratoire protecteur selon une des revendications 1 à 9, caractérisé en ce que des ouvertures (17, 18) d'entrée de gaz sont prévues dans les parties latérales (15, 16) de l'élément (12) de filtre situées dans la zone (7) avoisinant les joues.
  11. Masque respiratoire protecteur selon une des revendications 1 à 10, caractérisé en ce que l'élément de filtre est agencé sous forme de filtre-cassette (12) avec un boítier de filtre ouvrable dans lequel on peut insérer des couches de nettoyage d'air.
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 EP0764452A2 (fr) 1997-03-26
EP0764452A3 EP0764452A3 (fr) 1998-03-18
EP0764452B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621245A (zh) * 2018-12-11 2019-04-16 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

Families Citing this family (48)

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JP4508513B2 (ja) 2000-01-18 2010-07-21 ストライカー インストルメンツ ヘルメット・アセンブリを含む空気濾過システム
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
AU2003225136A1 (en) 2002-04-25 2003-11-10 Avon Protection Systems, Inc. Respirator filter canisters and method of filling same
WO2003090873A1 (fr) * 2002-04-26 2003-11-06 Avon Protection Systems, Inc. Cartouche de filtre pour masque a gaz
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
CN1980711A (zh) * 2004-06-03 2007-06-13 大卫·R·弗雷里克斯 民用防生物危害面具
JP5033786B2 (ja) 2005-03-24 2012-09-26 ストライカー・コーポレイション 対人保護システム
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
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
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
US9814913B2 (en) 2013-11-15 2017-11-14 3M Innovative Properties Company Respirator with floating elastomeric sleeve
DE102014001938B4 (de) * 2014-02-06 2015-10-22 Moldex-Metric Ag & Co. Kg Atemschutzmaske mit Bajonettverschluss für ein Filtermodul
USD759807S1 (en) 2014-05-22 2016-06-21 3M Innovative Properties Company Respirator mask exhalation port
USD746438S1 (en) 2014-05-22 2015-12-29 3M Innovative Properties Company Respirator filter cover
USD787660S1 (en) 2014-05-22 2017-05-23 3M Innovative Properties Company Respirator mask having a face seal flexing region
USD745962S1 (en) 2014-05-22 2015-12-22 3M Innovative Properties Company Respirator filter retainer
USD744088S1 (en) 2014-05-22 2015-11-24 3M Innovative Properties Company Respirator mask having a circular button
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
USD757247S1 (en) 2014-05-22 2016-05-24 3M Innovative Properties Company Respirator cartridge
USD754844S1 (en) 2014-05-22 2016-04-26 3M Innovative Properties Company Respirator mask
USD747795S1 (en) 2015-02-27 2016-01-19 3M Innovative Properties Company Respirator mask body
USD742504S1 (en) 2015-02-27 2015-11-03 3M Innovative Properties Company Respirator mask
USD795415S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator cartridge having an engagement latch
USD741475S1 (en) 2015-02-27 2015-10-20 3M Innovation Properties Company Respirator mask having a communication grille
USD762845S1 (en) 2015-02-27 2016-08-02 3M Innovative Properties Company Respirator cartridge
USD763437S1 (en) 2015-02-27 2016-08-09 3M Innovative Properties Company Respirator cartridge body
USD743536S1 (en) 2015-02-27 2015-11-17 3M Innovative Properties Company Respirator mask having a circular button
USD795416S1 (en) 2015-02-27 2017-08-22 3M Innovative Properties Company Respirator mask
USD767116S1 (en) 2015-02-27 2016-09-20 3M Innovative Properties Company Respirator mask having an exhalation port
US11219788B2 (en) 2015-11-19 2022-01-11 3M Innovative Properties Company Filter cartridge holder with fit-check device
USD816209S1 (en) 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
WO2017172361A1 (fr) 2016-03-28 2017-10-05 3M Innovative Properties Company Dispositifs d'étanchéité de respirateur à chambres multiples et procédés
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
US11992078B2 (en) 2016-03-28 2024-05-28 3M Innovative Properties Company Headwear suspension attachment element
WO2017172358A1 (fr) 2016-03-28 2017-10-05 3M Innovative Properties Company Dispositifs et procédés d'étanchéité pour vérification d'ajustement de respirateur
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
CN109077378A (zh) * 2018-08-17 2018-12-25 张锡林 一种工业用面部防护罩
DE102020111399A1 (de) * 2020-04-27 2021-10-28 Fritz Schmitt Atemschutzmaske

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DE4017336C1 (fr) * 1990-05-30 1991-06-13 Draegerwerk Ag, 2400 Luebeck, De
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621245A (zh) * 2018-12-11 2019-04-16 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

Also Published As

Publication number Publication date
DE59608189D1 (de) 2001-12-20
US5669375A (en) 1997-09-23
EP0764452A2 (fr) 1997-03-26
CZ289527B6 (cs) 2002-02-13
DE19534985C2 (de) 1998-02-12
DE19534985A1 (de) 1997-03-27
CA2184330A1 (fr) 1997-03-22
EP0764452A3 (fr) 1998-03-18
CA2184330C (fr) 2002-11-19
CZ273396A3 (en) 1997-04-16

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