EP0054154B1 - Breath protection hood, especially for emergency evacuations - Google Patents

Breath protection hood, especially for emergency evacuations Download PDF

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Publication number
EP0054154B1
EP0054154B1 EP19810108964 EP81108964A EP0054154B1 EP 0054154 B1 EP0054154 B1 EP 0054154B1 EP 19810108964 EP19810108964 EP 19810108964 EP 81108964 A EP81108964 A EP 81108964A EP 0054154 B1 EP0054154 B1 EP 0054154B1
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EP
Grant status
Grant
Patent type
Prior art keywords
helmet
characterised
respirator
mask
seal
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
Application number
EP19810108964
Other languages
German (de)
French (fr)
Other versions
EP0054154A1 (en )
Inventor
Bernd Grosenick
Kopp Günter Von
Gerhard Pütsch
Stefan Dr. Zloczysti
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
Original Assignee
Auergesellschaft GmbH
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
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/04Hoods

Description

  • Die Erfindung betrifft eine Atemschutzhaube, insbesondere für den Fluchtfall, nach dem Oberbegriff des Anspruchs 1, der von der US-A-2529 106 ausgeht. The invention relates to a respirator hood, in particular for escape case, according to the preamble of claim 1, which starts from the US-A-2529 106th
  • Bei Brandkatastrophen, beispielsweise in Hochhäusern, sind alle im brennenden Gebäude befindlichen und flüchtenden Personen durch Brandgase und Brandrauch gefährdet. In case of fire disasters, such as in high-rise buildings, all located in burning buildings and people fleeing from the fire gases and smoke from fires at risk. Auch verhindern Rauchvergiftungen und Sichtbehinderungen durch dicken und beißenden Qualm oft die Flucht ins Freie. Also, smoke inhalation and obstruction due to thick and acrid smoke often prevent the escape to the outside. Um den gefährdeten Personen die Selbstrettung zu ermöglichen, sind Fluchthauben-Filtergeräte bekannt, die einerseits die Einatemluft filtrieren, um sie von giftigen Brandgasen zu befreien, und andererseits Augen und Kopf schützen. To enable the vulnerable self-rescue, escape hoods filter devices are known, on the one hand filter the inhaled air in order to rid them of toxic fumes, and also protect the eyes and head.
  • Bei einer bekannten Atemschutzhabe der im Oberbegriff des Anspruchs 1 genannten Art greift die Zugbänderung direkt an der unter der Kopfhaube angeordneten Innenmaske an, verläuft jeweils entlang der Gesichtshälfte des Trägers und durchdringt in Schläfenhöhe die Kopfhaube nach außen (US-A-2 529106). In a known respirator I of the type mentioned in the preamble of claim 1, the Zugbänderung directly engages the arranged under the hood inner mask, in each case extends along the side of the face of the support and penetrates in temporal height, the head cover to the outside (US-A-2 529 106). Durch diese Anordnung der Zugbänderung und durch die weite Halsöffnung der Ko p fhaube, ist der Augenraum gegenüber der schädlichen Umgebungsluft nicht abgedichtet. By this arrangement, the Zugbänderung and through the wide neck opening of Ko p fhaube, the eye space against the harmful ambient air is not sealed.
  • Der Erfindung liegt die Aufgabe zugrunde, die bekannte Atemschutzhaube gemäß der US-A-2 529 106 derart zu verbessern, daß ein äußerst dichter Abschluß des Augenraumes gegenüber der Halsöffnung der Atemschutzhaube an die unterschiedlichsten Kopf- und Gesichtsformen der Benutzer erzielt und darüber hinaus eine Vergrößerung des Gesichtsfeldes für die Haubenbenutzer gewährleistet wird. The invention has for its object to improve the known respirator hood according to US-A-2529106 such that a very tight closure of the eye space opposite the neck opening of the respirator hood achieved to a wide variety of head and face of the user and, moreover, an increase in the field of view for the hood user is ensured.
  • . , Diese Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Patentanspruchs 1 angegebenen Merkmale gelöst. This object is achieved by the features specified in the characterizing part of patent claim 1. Weitere vorteilhafte Ausbildungen ergeben sich aus den Ansprüchen 2 bis 11. Further advantageous embodiments emerge from the claims 2 to. 11
  • Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß The advantages achieved with the invention consist in particular in that
    • a) der Augenraum gegenüber der Halsöffnung der Atemschutzhaube vollständig abgedichtet ist und die Dichtpolster ein angenehmes Tragen der Kopfhaube gewährleisten, und a) the eye space opposite the neck opening of the respirator hood is fully sealed and ensure the sealing cushion comfortable wearing of the head cover, and
    • b) durch die zurückgesetzten Angriffspunkte der Bänderung an der Innenmaske die Innenmaske und somit auch die Atemschutzhaube einen sicheren Sitz am Gesicht des Benutzers gewährleisten. b) ensuring through the recessed engagement points of the harness on the inner mask the inner mask and thus the respirator hood a secure fit on the user's face.
  • Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. An embodiment of the invention is illustrated in the drawing and will be described in more detail below. Es zeigt It shows
    • Fig. 1 eine Seitenansicht der Atemschutzhaube, Fig. 1 is a side view of the respirator hood,
    • Fig. 2 eine Vorderansicht der Atemschutzhaube, Fig. 2 is a front view of the respirator hood,
    • Fig. 3 ein weiteres Ausführungsbeispiel der Atemschutzhaube in Vorderansicht, Fig. 3 shows a further embodiment of the respirator hood in front view,
    • Fig. 4 einen Schnitt nach der Linie AB gemäß Fig.1, Fig. 4 shows a section along the line AB in accordance with Fig.1,
    • Fig. 5 einen Schnitt nach der Linie AB gemäß Fig. 1, und zwar ohne Bänderung, und Fig. 5 is a section along line AB of FIG. 1, without banding, and
    • Fig. 6 einen Zuschnitt derAtemschutzhaube. Fig. 6 shows a blank derAtemschutzhaube.
  • Wie aus den Fig. 1 und 2 ersichtlich ist, besteht die Atemschutzhaube im wesentlichen aus einer flammenfesten bzw. hitzebeständigen Kopfhaube 1 mit einem im Bereich des Gesichtsfeldes angeordneten Sichtfenster 2 aus beispielsweise transparenter Folie oder Plexiglas, einer Halbmaske 3 als Innenmaske mit eingesetzem Atemschutzfilter 4, der mittels einer Schelle 5 an der Innenmaske 3 und an der Kopfhaube 1 festgeschellt ist, aus einem Ausatemventil 10 und aus einer Bänderung 6. Die Bänderung 6 setzt sich aus einer Zugbänderung 6a und aus einem am Hinterkopf der Kopfhaube umlaufenden endlosen Band 6b zusammen, das einseitig an der Stelle x mit der Haube fest verbunden ist und an der Stelle y in einer Lasche 12 geführt wird (Fig. 1). As is apparent from FIGS. 1 and 2, the respirator hood essentially of a flame-resistant or heat-resistant hood 1 with a arranged in the region of the field of window 2 made of, for example, transparent film or plexiglass, a half mask 3 as the inner mask with eingesetzem respirator filter 4, is festgeschellt to the inner mask 3 and at the hood 1 by means of a clamp 5, of an exhalation valve 10 and from a harness 6. the harness 6 is composed of a Zugbänderung 6a and a circumferential at the back of the head cover endless belt 6b is firmly connected on one side at x with the hood and is guided at the location y in a tab 12 (Fig. 1). Diese Anordnung bietet die Vorteile einer Spreizbänderung und die Möglichkeit eines Längenausgleiches, ohne daß die Haube am Kopf verrutscht. This arrangement offers the advantages of Spreizbänderung and the possibility of a length compensation without the cover slip on the head.
  • An der Innenmaske 3 ist etwa in Nasenflügelhöhe jeweils seitlich ein aus der Innenmaske herausgeführter Halterungslappen 3a zur festen Aufnahme einer Schnalle 7 der außen an der Kopfhaube 1 angeordneten und verlaufenden Zugbänderung 6a angeformt (Fig. 2 und 4). On the inner mask 3, a lead-out of the inner mask holder cloth 3a for fixedly receiving a buckle 7 of the externally disposed on the head cover 1 and extending Zugbänderung is laterally approximately in the nose height 6a formed (Fig. 2 and 4). Die Befestigung der Zugbänderung an der Kopfhaube 1 erfolgt jeweils über die Schnalle 7, die unter Einschließung des Haubenmaterials an der Befestigungsstelle von außen mit dem Halterungslappen 3a der Innenmaske. The attachment of the Zugbänderung on the head cover 1 are made through the buckle 7, the under hood enclosure of the material at the attachment point from outside with the mounting flaps 3a of the inner mask. 3 durch Verschraubungen bzw. Vernietungen 8 fest verbunden ist (Fig. und 4). 3 is firmly connected by means of screw or riveted joints 8 (Figs. And 4). Durch die zurückgesetzten Angriffspunkte der Zugbänderung an der Haube, nämlich an die im Inneren der Haube angeordneten Halterungslappen 3a der Innenmaske, wird ein sicherer, rutschfester und stabiler Sitz der Innenmaske am Gesicht des Benutzers erzielt. By the recessed engagement points of the Zugbänderung to the hood, namely arranged in the interior of the hood support cloth 3a of the inner mask, a secure, non-slip and stable seat of the inner mask is obtained on the face of the user. Außerdem erhält das in die Kopfhaube 1 eingenähte Sichtfenster 2 aufgrund der besonderen Angriffspunkte der Zugbänderung und des besonderen Zuschnittes der Kopfhaube 1 im aufgesetzten Zustand der Kopfhaube eine gekrümmte Form, ohne daß ein sonst üblicher, die Krümmung vorgebender Rahmen erforderlich ist. In addition, the sewn into the head cover 1 window 2 obtains a curved shape without an otherwise conventional, the curvature pre-bender frame is required because of the particular points of the Zugbänderung and the particular blank of the face mask 1 in the mounted state of the head cover.
  • Die Innenmaske 3 weist einen Anlagewulst 3b auf, der als Abdichtung der Atemwege beim Tragen der Maske an das Gesicht des Benutzers angedrückt wird (Fig. 5). The inner mask 3 has a contact bead 3b, which is pressed as sealing of the airway when wearing the mask to the face of the user (Fig. 5). An den Seiten der Kopfhaube 1 zwischen der Innenmaske 3 und der Kopfhauben-Innenseite ist jeweils eine Dichtung 9 angeordnet, die den Augenraum gegenüber der unten offenen und mit der Umgebungsatmosphäre in Verbindung stehenden Halsöffnung der Kopfhaube abdichtet. a seal is arranged in each case 9 at the sides of the head cover 1 between the inner mask 3 and the head cover inner face which seals off the eye space opposite the open bottom and in communication with the ambient atmosphere neck opening of the head cover.
  • Die Dichtung 9 kann als ein am Maskenkörper angeklebtes, gestecktes oder geknöpftes Teil aus Gummi, Schaumstoff oder Elastomer ausgebildet sein (in der Zeichnung nicht dargestellt). The seal 9 may be used as a pre-glued, pinned or buttoned to the mask body part made of rubber, foam or elastomer be formed in the drawing (not shown). Die Befestigung des Dichtungsteils kann einseitig oder beidseitig an der Innenmaske und an der Haubeninnenseite erfolgen. The attachment of the sealing member can be done on one side or both sides of the inner mask and the hood interior.
  • Wie aus den Fig. 4 und 5 ersichtlich ist, ist die Dichtung 9 einseitig am Maskenkörper 3 im Bereich der Halterungslappen 3a festgelegt. As is apparent from FIGS. 4 and 5, the seal is determined unilaterally 9 on the mask body 3 in the area of ​​the support lobes 3a. Die Dichtung 9 ist als Polster aus z. The seal 9 is made of, as a cushion. B. Schaumstoff ausgebildet und ist derart geformt, daß die Form auf die Kopfhauben-Innenseite einen dichtenden Druck ausübt. B. foam formed and is shaped so that the shape exerts a sealing pressure on the head cover inner face.
  • In einer weiteren vorteilhaften Ausgestaltung ragt die Dichtung 9a über den Maskenkörper hinaus und verläuft über die Wangen bis zu den Schläfen (Fig. 3). In a further advantageous embodiment, the seal 9a via the mask body projects beyond and extends over the cheeks to the temples (Fig. 3). Hierbei ist die Dichtung derart ausgebildet, daß die eine Seite der Wangenform angepaßt ist, während die andere Seite Hohlräume oder Vertiefungen zwischen Innenmaskenkörper und Hubaneinnenseite berücksichtigt und ausfüllt. Here, the seal is formed such that one side of the cheek shape is adapted, while the other side into consideration cavities or recesses between inner mask body and Hubaneinnenseite and fills. Die Wirkung der Dichtung wird vorteilhaft dadurch verstärkt, daß sie zumindest teilweise unter der äußeren Zugbänderung 6a liegt, wodurch beim Anziehen der Bänderung auf die Dichtung Druck ausgeübt wird. The effect of the seal is reinforced advantageous in that it lies at least partially below the outer Zugbänderung 6a, whereby pressure is applied when tightening the harness on the seal.
  • In einer weiteren, in der Zeichnung nicht dargestellten Ausführung verläuft die Dichtung über die Wangen in Richtung der Augenpartie des Benutzers, was bedeutet, daß die Dichtung etwa am inneren Rand des Sichtfensters der Kopfhaube verläuft. In a further embodiment not shown in the drawing, the sealing cheeks in direction of the eyes of the user, which means that the seal runs approximately at the inner edge of the viewing window of the hood extends. Die Dichtung selbst ist hierbei so ausgebildet, daß sie beim Anlegen der Haube und beim Anziehen der Bänderung an das Gesicht gedrückt wird und damit den Augenraum abdichtet. The seal itself is in this case designed so that it is pressed in applying the cover and when tightening the harness to the face and thus seals the eye space.
  • In Fig. 6 ist der Zuschnitt der Kopfhaube dargestellt, und zwar mit dem Ausschnitt für das Sichtfenster 2, dem Ausschnitt für das Ausatemventil 10 und einem U-förmigen Einschnitt 11 für die Ausbildung der Stirnpartie der Kopfhaube, wobei der waagerechte und die senkrechten zusammenlaufenden Einschnitte jeweils einen heruntergezogenen Schnittpunkt a bilden. In FIG. 6, the blank of the hood is shown, with the cutout for the window 2, the cut-out for the exhalation valve 10 and a U-shaped recess 11 for forming the front part of the head cover, wherein the horizontal and the vertical converging incisions each form a pulled-sectional point a. Durch diese Maßnahme ergibt sich beim Zusammennähen des Zuschnittes eine T-förmig verlaufende Nahtkante am Stirn- und Kopfdeckenteil der Kopfhaube, die bewirkt, daß die Kopfhaube im Stirnbereich gewölbt ist, so daß auch das eingenähte Sichtfenster 2 gekrümmt ist und somit eine Panoramawirkung hervorruft. By this measure, a T-shaped extending seam edge on the face and head top part of the hood, which causes the hood is curved in the end region, so that the sewn-in window 2 is curved and thus causes a panoramic effect is obtained when sewing together of the blank.

Claims (11)

1. Respirator helmet, in particular for escape contingencies, comprising a helmet (1) having a wide neck opening, with a window (2) and an external and adjustable strap system comprising tension straps (6a) and a strap (6b) extending around to the rear of the helmet (1), as well as an internal mask (3) situated beneath the helmet (1) and having a respirator filter (4) arranged at the outside of the helmet, characterised by
a) a securing flange (3a) formed in unit with the sides of the inner mask (3) in each case and led out of the mask body of the inner mask (3) in the direction of the temples, which is formed as a point of attachment (8) set back with respect to a face-contacting part of the inner mask (3) for the tension strap system (6a) extending externally along a part of the helmet (1),
b) a seal (9) situated in each case in the temple area of the helmet (1) between the inner mask (3) and the inner side of the helmet in the area of the securing flanges (3a), which seals off the eye compartment with respect to the neck opening of the helmet (1) which is open at the bottom and in communication with the ambient atmosphere,
c) an extension of the seal (9) beneath the externally situated tension strap system (6a), which operates as a sealing line for the eye compartment, and
d) an endless extension of the strap (6b) looped at the rear of the helmet (1).
2. Respirator helmet according to claim 1, characterised in that the seal (9) is formed as a component of rubber, expanded material or elastomer which is glued, fastened or buttoned to the mask body of the inner mask (3).
3. Respirator helmet according to claim 1, characterised in that the seal (9) is secured at one side to the mask body of the inner mask (3) in the area of the securing flanges (3a).
4. Respirator helmet according to claim 1 or 3, characterised in that the seal (9) is produced as a pad, e. g. of expanded material, and is formed in such manner that its shape exerts a sealing pressure on the inner side of the helmet.
5. Respirator helmet according to claim 1, characterised in that the seal (9) projects beyond the mask body of the inner mask (3) and extends over the cheeks to the temples, the seal (9a) at least partially lying beneath the external tension strap system (6a).
6. Respirator helmet according to claim 1, characterised in that the endless strap (6b) of the system of straps (6) is firmly joined to the helmet at a point (x) at one side of the rear part of the helmet and is led to another point (y) within a lashing strip (12) (fig. 1).
7. Respirator helmet according to claim 1, characterised in that each tension strap (6a) is secured on the helmet (1) in a buckle (7) which is firmly joined to the securing flange (3a) of the inner mask by means of screw or rivet systems (8) from the outside, by interpositioning and perforation of the helmet material.
8. Respirator helmet according to claim 1, characterised in that the window (2) sewn into the helmet (1) has a curved shape induced by the particular points of attachment (8) of the tension straps (6a) to the helmet and by virtue of a particular cut-out of the helmet.
9. Respirator helmet according to claim 1, characterised in that the inner mask (3) comprises the exhalation valve (10) and that the air exhaled is discharged downwards from the downwardly open helmet (1) thereby accomplishing a scavenging operation on the valve space.
10. Precut blank for the respirator helmet, according to claim 1, comprising an excision for the window (2) and the exhalation valve (10), characterised in that a U-shaped incision (11) is provided above the window excision (2) and that the horizontal and vertical cuts of the U-shape converge in arcuate form in each case to a point of intersection (a), the ends of the horizontal cut being putted down in the direction of the window (2) (fig. 6).
11. Precut blank according to claim 10, characterised in that the seamed edges of the incision (11) extend in T-shape on the forehead and scalp part of the helmet (1) (fig. 6).
EP19810108964 1980-12-16 1981-10-27 Breath protection hood, especially for emergency evacuations Expired EP0054154B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3048276 1980-12-16
DE19803048276 DE3048276C2 (en) 1980-12-16 1980-12-16

Publications (2)

Publication Number Publication Date
EP0054154A1 true EP0054154A1 (en) 1982-06-23
EP0054154B1 true EP0054154B1 (en) 1984-12-12

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EP19810108964 Expired EP0054154B1 (en) 1980-12-16 1981-10-27 Breath protection hood, especially for emergency evacuations

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EP (1) EP0054154B1 (en)
JP (1) JPS6058877B2 (en)
CA (1) CA1180629A (en)
DE (1) DE3048276C2 (en)

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US6044844A (en) 1996-12-02 2000-04-04 Resmed Limited Mask and harness assembly
USD423096S (en) 1997-02-25 2000-04-18 Resmed Limited Nasal mask cushion
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US6513526B2 (en) 1996-07-26 2003-02-04 Resmed Limited Full-face mask and mask cushion therefor
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USD498529S1 (en) 1996-07-26 2004-11-16 Resmed Limited Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP)
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USD498529S1 (en) 1996-07-26 2004-11-16 Resmed Limited Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP)
US8636006B2 (en) 1996-07-26 2014-01-28 Resmed Limited Mask
US6112746A (en) 1996-07-26 2000-09-05 Resmed Limited Nasal mask and mask cushion therefor
US8056561B2 (en) 1996-07-26 2011-11-15 Resmed Limited Full-face mask and mask cushion therefor
US7950392B2 (en) 1996-07-26 2011-05-31 Resmed Limited Cushion and mask therefor
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US6357441B1 (en) 1996-07-26 2002-03-19 Resmed Limited Nasal mask and mask cushion therefor
US6701927B2 (en) 1996-07-26 2004-03-09 Resmed Limited Full-face mask and mask cushion therefor
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Also Published As

Publication number Publication date Type
CA1180629A1 (en) grant
JP1332744C (en) grant
DE3048276C2 (en) 1988-06-16 grant
CA1180629A (en) 1985-01-08 grant
DE3048276A1 (en) 1982-07-01 application
EP0054154A1 (en) 1982-06-23 application
JPS6058877B2 (en) 1985-12-21 grant
JPS57156775A (en) 1982-09-28 application

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