EP2209531A1 - Mask body for a respiratory half-mask - Google Patents

Mask body for a respiratory half-mask

Info

Publication number
EP2209531A1
EP2209531A1 EP08849078A EP08849078A EP2209531A1 EP 2209531 A1 EP2209531 A1 EP 2209531A1 EP 08849078 A EP08849078 A EP 08849078A EP 08849078 A EP08849078 A EP 08849078A EP 2209531 A1 EP2209531 A1 EP 2209531A1
Authority
EP
European Patent Office
Prior art keywords
mask body
mask
stiffening plates
mounting plate
connection
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
EP08849078A
Other languages
German (de)
French (fr)
Other versions
EP2209531B1 (en
Inventor
Detlef Kielow
Michael Horn
Klaus Schmidtke
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.)
MSA Auer GmbH
Original Assignee
MSA Auer 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
Application filed by MSA Auer GmbH filed Critical MSA Auer GmbH
Priority to PL08849078T priority Critical patent/PL2209531T3/en
Publication of EP2209531A1 publication Critical patent/EP2209531A1/en
Application granted granted Critical
Publication of EP2209531B1 publication Critical patent/EP2209531B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing 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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

Definitions

  • Respiratory half-masks are worn in front of a user's face, covering the mouth and nose, to protect against harmful gases, vapors and particles. They consist of a mask body made of soft, elastic material, the shape of the following edge area sealingly rests on the face. In the mask body either two laterally arranged filter connection pieces and a frontally arranged exhalation valve piece or two laterally arranged exhalation valve pieces and a frontally arranged filter connection piece are sealingly integrated. On the outside of the mask body consisting of a hard plastic holding device for a brace on the user's head harness is releasably attached.
  • a mask body made of a thick material has the required rigidity for securely supporting the filter cartridges and the holding device, but it can not adequately adapt to the respective face shape. Although a mask body made of thin material seals better, but can fold under the action of the filter cartridges and the holding device and therefore affect the safety of the user. From US 5 062 421 a respirator with a single - large and stiff - insert for supporting the mask body is known, which is no longer sufficiently flexible.
  • US Pat. No. 5,592,937 describes a respirator mask in whose mask body made of a soft-elastic material stiffening plates made of a hard plastic are connected to the filter connection and exhalation valve pieces. Between the opposite side edges of the centrally arranged stiffening plate and the laterally arranged stiffening plates, a joint consisting of the material of the mask body is formed. The mask body is thus sufficiently flexible and yet stiff enough not to be able to fold. In the holding device placed around the mask body, openings are provided which correspond to the openings in the stiffening plates formed by the filter connection and exhalation valve pieces. The handling of this respirator prepared so far
  • the invention is therefore the object of a stiffening plates provided mask body made of soft elastic material robust and easy to handle and the high wearing comfort and long life trainees.
  • the object is achieved with a trained according to the features of claim 1 mask body.
  • Advantageous developments of the invention are the subject of the dependent claims.
  • the basic idea of the invention consists in the integration of a substantially rigid mounting plate in the front region of the mask body consisting of a soft-elastic material.
  • the exhalation valve piece or a filter connection piece is integrated in the mounting plate.
  • An integrally formed on the mounting plate mounting cylinder is used to make a plug connection with the holding device connected to a harness.
  • a formed on the peripheral edge of the mounting plate, surrounded by the mask body material narrow connection strip is used to make the connection between the mounting plate and the mask body.
  • connection between the mounting plate and the mask body material caused by the connection strip is achieved by openings formed on the edge of the connection strip, which are penetrated by the mask body material and provide a positive connection.
  • a positive connection can also be provided in the laterally arranged stiffening plates in which exhalation valve or filter connecting pieces are integrated.
  • the inventively designed mask body provides a stable easy attachment of the holding device for the harness and ensures a long life and a high level of comfort.
  • the soft-elastic part of the mask body consists of a special adhesive containing liquid silicone, so that in addition to the positive connection an improved Secured adhesive bond with the hard plastic, in particular polyamide or polybutylene terephthalate, existing stiffening plates and the connecting strip is achieved.
  • the fastening cylinder surrounds the exhalation valve piece.
  • the fastening cylinder can also be provided with an internal thread and at the same time serve as a filter connection piece.
  • the lower edge of the stiffening plates, or at least the connection strip formed on the mounting plate, is so far away from the edge of the mask body that a user can move his lower jaw when the mask is applied.
  • FIG. 1 shows a front view of a mask body for a respiratory half mask with a frontally arranged exhalation valve piece and two laterally arranged filter connection pieces.
  • FIG. 2 is a perspective view of the mask body of FIG. 1.
  • FIG. 2 is a perspective view of the mask body of FIG. 1.
  • the mask body 1 shown in the drawing consists of silicone (liquid silicone) which contains special adhesion promoters for the chemical combination with polyamide or polybutylene terephthalate.
  • the mask body 1 has two laterally arranged filter connection pieces 2 with bayonet connectors 3 and a centrally arranged, in a mounting plate 4 integrated exhalation valve piece 5.
  • the filter connection pieces 2 and the mounting plate 4 is one of a hard plastic, namely polya- or polybutylene terephthalate, existing stiffening plate 6 or - with respect to the mounting plate - a connecting strip 12 integrally connected.
  • stiffening plates 6 and the connecting strips 12 are completely encased with the silicone of the mask body 1.
  • silicone breakthroughs 7 are formed so that the on both sides of the stiffening plates 6 and derrochsst
  • the stiffening plates 6 extend partially to close to the edge of the mask body and provide sufficient rigidity and yet the sealing requirements in the edge region sufficient flexibility of the mask body 1 to ensure adequate sealing on the face.
  • the connection strip 12 integrally formed on the mounting plate 4 has a greater distance from the lower edge of the mask body 1 in order to allow the user, with the respiratory mask applied, sufficient movement of the lower jaw.
  • the mounting plate 4 is used for simple and secure releasable attachment of a holding device connected to a harness (each not shown), which in combination with the filter cartridges (not shown) relatively heavy and also exposed during an application significant loads mask body 1 am Face or in the meantime also in a remote from the face, drooping position holds.
  • a fastening cylinder 8 To the mounting plate 4, in which the exhalation valve 5 is integrated, a fastening cylinder 8, the upper and lower locking lugs 9 and a VerFD spiritssvors- tion 10 has integrally formed. At the upper end of the mounting plate 4, a Vermosellessnut 11 is formed. A retaining device adapted to the mounting plate 4 thus formed can thus be quickly pushed onto the mounting plate 4 and released therefrom.
  • the fastening cylinder 8 ensures a secure plug connection and power transmission between the mask body 1 and the holding device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to a mask body for a respiratory half-mask, having a substantially rigid installation plate (4) incorporated into the soft elastic material of the mask body (1) and comprising a fastening cylinder (8) integrally molded thereto, having latching tabs (9) and pivot-proof projections (10) for the production of a stable, removable plug-in connection to a holding device that is connected to a strap. The connection of the installation plate to the mask body material is carried out by means of a narrow connecting strip (12) that is integrally molded to the circumference of the installation plate in one piece, having cutouts (7) provided therein, which are interspersed by the mask body material surrounding the connecting strip (12) such that the strongly stressed installation plate is incorporated into the mask body material in a form-fitting and bonded manner.

Description

Maskenkörper für eine Atemschutz-Halbmaske Mask body for a respiratory half mask
Beschreibungdescription
Maskenkörper für eine Atemschutz-Halbmaske, der vorn oder seitlich angeordnete Ausatemventil- und Filteranschlussstücke sowie Befestigungsmittel für eine mit einer Bände- rung verbundene Haltevorrichtung umfasst, wobei die FiI- teranschluss- und Ausatemventilstücke jeweils eine von dem weichelastischen Material des Maskenkörpers umgebene Versteifungsplatte aus Hartkunststoff aufweisen.A mask mask body for a respiratory half-mask, the front or side mounted exhalation valve and filter fittings and fastening means for a holder connected to a holder tion, wherein the Fi ter ter ter and exhalation valve pieces each having a rigid plastic material surrounded by the soft elastic material of the mask body stiffening plate ,
Atemschutz-Halbmasken werden unter Abdeckung des Mundes und der Nase vor dem Gesicht eines Benutzers getragen und dienen zum Schutz vor schädlichen Gasen, Dämpfen und Partikeln. Sie bestehen aus einem Maskenkörper aus weichem, elastischem Material, dessen der Gesichtsform folgender Randbereich abdichtend am Gesicht anliegt. In den Masken- körper sind entweder zwei seitlich angeordnete Filteranschlussstücke und ein frontal angeordnetes Ausatemventilstück oder zwei seitlich angeordnete Ausatemventilstücke und ein frontal angeordnetes Filteranschlussstück abdichtend integriert. An der Außenseite des Maskenkörpers ist eine aus Hartkunststoff bestehende Haltevorrichtung für eine am Kopf des Benutzers verspannbare Bänderung lösbar befestigt. Ein aus dickem Material bestehender Maskenkörper weist die erforderliche Steifigkeit zur sicheren HaI- terung der Filtereinsätze und der Haltevorrichtung auf, kann sich aber der jeweiligen Gesichtsform nur ungenügend anpassen. Ein Maskenkörper aus dünnem Material dichtet zwar besser ab, kann aber unter der Wirkung der Filtereinsätze und der Haltevorrichtung zusammenfalten und daher die Sicherheit des Benutzers beeinträchtigen. Aus der US 5 062 421 ist eine Atemschutzmaske mit einem einzelnen - großen und steifen - Einsatzstück zur Abstützung des Maskenköpers bekannt, der jedoch nicht mehr ausreichend flexibel ist.Respiratory half-masks are worn in front of a user's face, covering the mouth and nose, to protect against harmful gases, vapors and particles. They consist of a mask body made of soft, elastic material, the shape of the following edge area sealingly rests on the face. In the mask body either two laterally arranged filter connection pieces and a frontally arranged exhalation valve piece or two laterally arranged exhalation valve pieces and a frontally arranged filter connection piece are sealingly integrated. On the outside of the mask body consisting of a hard plastic holding device for a brace on the user's head harness is releasably attached. A mask body made of a thick material has the required rigidity for securely supporting the filter cartridges and the holding device, but it can not adequately adapt to the respective face shape. Although a mask body made of thin material seals better, but can fold under the action of the filter cartridges and the holding device and therefore affect the safety of the user. From US 5 062 421 a respirator with a single - large and stiff - insert for supporting the mask body is known, which is no longer sufficiently flexible.
Die US 5 592 937 beschreibt eine Atemschutzmaske, in deren aus einem weichelastischen Material bestehenden Maskenkörper mit den Filteranschluss- und Ausatemventilstücken verbundene Versteifungsplatten aus einem Hart- kunststoff eingebunden sind. Zwischen den gegenüberliegenden Seitenkanten der mittig angeordneten Versteifungsplatte und der seitlich angeordneten Versteifungsplatten wird ein aus dem Material des Maskenkörper bestehendes Gelenk gebildet. Der Maskenkörper ist somit ausreichend flexibel und dennoch steif genug, um nicht zusammenfalten zu können. In der um den Maskenkörper gelegten Haltevorrichtung sind Öffnungen vorgesehen, die mit den von den Filteranschluss- und Ausatemventilstücken gebildeten Öffnungen in den Versteifungsplatten korrespondieren. Die Handhabung dieser Atemschutzmaske bereitet insofernUS Pat. No. 5,592,937 describes a respirator mask in whose mask body made of a soft-elastic material stiffening plates made of a hard plastic are connected to the filter connection and exhalation valve pieces. Between the opposite side edges of the centrally arranged stiffening plate and the laterally arranged stiffening plates, a joint consisting of the material of the mask body is formed. The mask body is thus sufficiently flexible and yet stiff enough not to be able to fold. In the holding device placed around the mask body, openings are provided which correspond to the openings in the stiffening plates formed by the filter connection and exhalation valve pieces. The handling of this respirator prepared so far
Schwierigkeiten, als ein häufiges Anbringen und Lösen der Haltevorrichtung am/vom Maskenkörper aufwendig ist und eine sichere Verbindung zwischen dem Maskenkörpermaterial und den Versteifungsplatten nicht gewährleistet ist.Difficulties as a frequent attachment and detachment of the holding device on / from the mask body is expensive and a secure connection between the mask body material and the stiffening plates is not guaranteed.
Der Erfindung liegt daher die Aufgabe zugrunde, einen mit Versteifungsplatten versehenen Maskenkörper aus weichelastischem Material robust und einfach handhabbar und mit hohem Tragekomfort und langer Lebensdauer auszubil- den.The invention is therefore the object of a stiffening plates provided mask body made of soft elastic material robust and easy to handle and the high wearing comfort and long life trainees.
Erfindungsgemäß wird die Aufgabe mit einem gemäß den Merkmalen des Patentanspruchs 1 ausgebildeten Maskenkörper gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche. Der Grundgedanke der Erfindung besteht in der Einbindung einer im Wesentlichen biegesteifen Montageplatte in den Frontbereich des aus einem weichelastischen Material bestehenden Maskenkörpers. In die Montageplatte ist das Ausatemventilstück oder ein Filteranschlussstück eingebunden. Ein an die Montageplatte einstückig angeformter Befestigungszylinder dient zur Herstellung einer Steckverbindung mit der mit einer Bänderung verbundenen Haltevorrichtung. Ein am Umfangsrand der Montageplatte ange- formter, von dem Maskenkörpermaterial umgebener schmaler Verbindungsstreifen dient zur Herstellung der Verbindung zwischen der Montageplatte und dem Maskenkörper. Die Montageplatte mit dem Befestigungszylinder sowie an diesen ausgebildete Vorsprünge zur Verrastung und Verdrehsiche- rung sorgen für eine stabile Verbindung zwischen der Haltevorrichtung und dem Maskenkörper, die auf einfache Weise und schnell hergestellt bzw. gelöst werden kann. Gemäß einem weiteren wichtigen Merkmal der Erfindung wird die über den Verbindungsstreifen bewirkte Verbindung zwischen der Montageplatte und dem Maskenkörpermaterial durch am Rand des Verbindungsstreifens ausgebildete Durchbrüche erzielt, die von dem Maskenkörpermaterial durchsetzt sind und für eine formschlüssige Verbindung sorgen. Ein derartiger Formschluss kann auch bei den seitlich angeordneten Versteifungsplatten, in die Ausatemventil- bzw. Filteranschlussstücke integriert sind, vorgesehen sein.According to the invention the object is achieved with a trained according to the features of claim 1 mask body. Advantageous developments of the invention are the subject of the dependent claims. The basic idea of the invention consists in the integration of a substantially rigid mounting plate in the front region of the mask body consisting of a soft-elastic material. The exhalation valve piece or a filter connection piece is integrated in the mounting plate. An integrally formed on the mounting plate mounting cylinder is used to make a plug connection with the holding device connected to a harness. A formed on the peripheral edge of the mounting plate, surrounded by the mask body material narrow connection strip is used to make the connection between the mounting plate and the mask body. The mounting plate with the fastening cylinder as well as projections formed thereon for latching and anti-rotation lock ensure a stable connection between the holding device and the mask body, which can be produced and released quickly and easily. According to a further important feature of the invention, the connection between the mounting plate and the mask body material caused by the connection strip is achieved by openings formed on the edge of the connection strip, which are penetrated by the mask body material and provide a positive connection. Such a positive connection can also be provided in the laterally arranged stiffening plates in which exhalation valve or filter connecting pieces are integrated.
Der erfindungsgemäß ausgebildete Maskenkörper sorgt für eine stabile einfache Befestigung der Haltevorrichtung für die Bänderung und gewährleistet eine lange Lebensdauer und einen hohen Tragekomfort.The inventively designed mask body provides a stable easy attachment of the holding device for the harness and ensures a long life and a high level of comfort.
In weiterer Ausbildung der Erfindung besteht der weichelastische Teil des Maskenkörpers aus einem spezielle Haftvermittler enthaltenden Flüssigsilikon, so dass zusätzlich zu der formschlüssigen Verbindung eine verbes- serte Haftverbindung mit den aus Hartkunststoff, insbesondere Polyamid oder Polybutylenterephtalat, bestehenden Versteifungsplatten und dem Verbindungsstreifen erreicht wird.In a further embodiment of the invention, the soft-elastic part of the mask body consists of a special adhesive containing liquid silicone, so that in addition to the positive connection an improved Secured adhesive bond with the hard plastic, in particular polyamide or polybutylene terephthalate, existing stiffening plates and the connecting strip is achieved.
In Ausgestaltung der Erfindung umgibt der Befestigungszylinder das Ausatemventilstück. Der Befestigungszylinder kann auch mit einem Innengewinde versehen sein und gleichzeitig als Filteranschlussstück dienen.In an embodiment of the invention, the fastening cylinder surrounds the exhalation valve piece. The fastening cylinder can also be provided with an internal thread and at the same time serve as a filter connection piece.
Der untere Rand der Versteifungsplatten, zumindest aber der an die Montageplatte angeformten Verbindungsstreifen ist so weit vom Rand des Maskenkörpers entfernt, dass ein Benutzer bei angelegter Maske seinen Unterkiefer bewegen kann.The lower edge of the stiffening plates, or at least the connection strip formed on the mounting plate, is so far away from the edge of the mask body that a user can move his lower jaw when the mask is applied.
Ein Ausführungsbeispiel der Erfindung wird anhand der Zeichnung näher erläutert. Es zeigen:An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
Fig. 1 eine Vorderansicht eines Maskenkörpers für eine Atemschutz-Halbmaske mit einem frontal angeordneten Ausatemventilstück und zwei seitlich angeordneten Filteranschlussstücken; und1 shows a front view of a mask body for a respiratory half mask with a frontally arranged exhalation valve piece and two laterally arranged filter connection pieces. and
Fig. 2 eine perspektivische Ansicht des Maskenkörpers nach Fig. 1.FIG. 2 is a perspective view of the mask body of FIG. 1. FIG.
Der in der Zeichnung dargestellte Maskenkörper 1 besteht aus Silikon (Flüssigsilikon) , das spezielle Haftvermitt- ler zur chemischen Verbindung mit Polyamid oder Polybutylenterephtalat enthält. Der Maskenkörper 1 weist zwei seitlich angeordnete Filteranschlussstücke 2 mit Bajonettverbindern 3 und ein mittig angeordnetes, in eine Montageplatte 4 integriertes Ausatemventilstück 5 auf. Mit den Filteranschlussstücken 2 und der Montageplatte 4 ist jeweils eine aus einem Hartkunststoff, nämlich Polya- mid oder Polybutylenterephtalat, bestehende Versteifungsplatte 6 bzw. - mit Bezug auf die Montageplatte - ein Verbindungsstreifen 12 einstückig verbunden.The mask body 1 shown in the drawing consists of silicone (liquid silicone) which contains special adhesion promoters for the chemical combination with polyamide or polybutylene terephthalate. The mask body 1 has two laterally arranged filter connection pieces 2 with bayonet connectors 3 and a centrally arranged, in a mounting plate 4 integrated exhalation valve piece 5. With the filter connection pieces 2 and the mounting plate 4 is one of a hard plastic, namely polya- or polybutylene terephthalate, existing stiffening plate 6 or - with respect to the mounting plate - a connecting strip 12 integrally connected.
Die Versteifungsplatten 6 und der Verbindungsstreifen 12 sind vollständig mit dem Silikon des Maskenkörpers 1 ummantelt. Im Randbereich des Verbindungsstreifens 12 und der Versteifungsplatten 6 sind mit Silikon durchsetzte Durchbrüche 7 ausgebildet, so dass die auf beiden Seiten der Versteifungsplatten 6 bzw. des VerbindungsstreifensThe stiffening plates 6 and the connecting strips 12 are completely encased with the silicone of the mask body 1. In the edge region of the connecting strip 12 and the stiffening plates 6 penetrated with silicone breakthroughs 7 are formed so that the on both sides of the stiffening plates 6 and der Verbindungsstreifens
12 vorhandenen Silikonschichten durch in den Durchbrüchen 7 befindliche Stege verbunden sind und das Silikon formschlüssig in den Versteifungsplatten 6 bzw. dem Verbindungsstreifen 12 gehalten ist. Die im Flüssigsilikon enthaltenen Haftvermittler sorgen darüber hinaus für eine zusätzliche Klebeverbindung mit den Versteifungsplatten 6 und dem Verbindungsstreifen 12.12 existing silicone layers are connected by located in the openings 7 webs and the silicone is positively held in the stiffening plates 6 and the connecting strip 12. The adhesion promoters contained in the liquid silicone furthermore provide an additional adhesive bond with the stiffening plates 6 and the connecting strip 12.
Die Versteifungsplatten 6 reichen teilweise bis nahe an den Rand des Maskenkörpers und sorgen für eine ausreichende Steifigkeit und dennoch eine den Dichtungsanforderungen im Randbereich genügende Flexibilität des Maskenkörpers 1, um eine ausreichende Abdichtung am Gesicht zu gewährleisten. Der an die Montageplatte 4 angeformte Ver- bindungsstreifen 12 weist jedoch einen größeren Abstand zum unteren Rand des Maskenkörpers 1 auf, um dem Benutzer bei angelegter Atemschutzmaske eine ausreichende Bewegung des Unterkiefers zu ermöglichen.The stiffening plates 6 extend partially to close to the edge of the mask body and provide sufficient rigidity and yet the sealing requirements in the edge region sufficient flexibility of the mask body 1 to ensure adequate sealing on the face. However, the connection strip 12 integrally formed on the mounting plate 4 has a greater distance from the lower edge of the mask body 1 in order to allow the user, with the respiratory mask applied, sufficient movement of the lower jaw.
Die Montageplatte 4 dient der einfachen und sicheren lösbaren Befestigung einer mit einer Bänderung verbundenen Haltevorrichtung (jeweils nicht dargestellt), die den in Verbindung mit den Filtereinsätzen (nicht dargestellt) vergleichsweise schweren und während eines Einsatzes auch erheblichen Belastungen ausgesetzten Maskenkörper 1 am Gesicht oder zwischenzeitlich auch in einer vom Gesicht entfernten, herabhängenden Position hält.The mounting plate 4 is used for simple and secure releasable attachment of a holding device connected to a harness (each not shown), which in combination with the filter cartridges (not shown) relatively heavy and also exposed during an application significant loads mask body 1 am Face or in the meantime also in a remote from the face, drooping position holds.
An die Montageplatte 4, in die das Ausatemventilstück 5 integriert ist, ist ein Befestigungszylinder 8, der obere und untere Rastnasen 9 und einen Verdrehsicherungsvors- prung 10 aufweist, einstückig angeformt. Am oberen Ende der Montageplatte 4 ist eine Verdrehsicherungsnut 11 ausgebildet. Eine an die so ausgebildete Montageplatte 4 an- gepasste Haltevorrichtung kann somit schnell auf die Montageplatte 4 gesteckt und von dieser gelöst werden. Der Befestigungszylinder 8 sorgt für eine sichere Steckverbindung und Kraftübertragung zwischen dem Maskenkörper 1 und der Haltevorrichtung. To the mounting plate 4, in which the exhalation valve 5 is integrated, a fastening cylinder 8, the upper and lower locking lugs 9 and a Verdrehsicherungsvors- tion 10 has integrally formed. At the upper end of the mounting plate 4, a Verdrehsicherungsnut 11 is formed. A retaining device adapted to the mounting plate 4 thus formed can thus be quickly pushed onto the mounting plate 4 and released therefrom. The fastening cylinder 8 ensures a secure plug connection and power transmission between the mask body 1 and the holding device.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Maskenkörper1 mask body
2 Filteranschlussstück2 filter connection piece
3 Baj onettverbinder3 Baj onettverbinder
4 Montageplatte4 mounting plate
5 Ausatemventilstück5 exhalation valve piece
6 Versteifungsplatten6 stiffening plates
7 Durchbrüche7 breakthroughs
8 Befestigungs zylinder8 mounting cylinders
9 Rastnasen9 locking lugs
10 Verdrehsicherungsvorsprung10 anti-rotation projection
11 Verdrehsicherungsnut11 anti-rotation groove
12 Verbindungsstreifen 12 connecting strips

Claims

Patentansprüche claims
1. Maskenkörper für eine Atemschutz-Halbmaske, der vorn oder seitlich angeordnete Ausatemventil- und Filteranschlussstücke (2, 5) sowie Befestigungsmittel für eine mit einer Bänderung verbundene Haltevorrichtung umfasst, wobei die Filteran- Schluss- und Ausatemventilstücke (2, 5) jeweils eine von dem weichelastischen Material des Maskenkörpers (1) umgebene Versteifungsplatte (6) aus Hartkunststoff aufweisen, dadurch gekennzeichnet, dass das frontseitige Ausatemventil- oder Filteranschlussstück (2, 5) in eine Montageplatte (4) mit an deren Rand anschließendem, dünnem Verbindungsstreifen (12) integriert ist und an die Montageplatte (4) ein zur Steckverbindung mit der Haltevorrichtung dienender Befestigungs- zylinder (8) mit Rastnasen (9) und einem Verdreh- sicherungsvorsprung (10) angeformt ist.A mask body for a respiratory half mask, the front or side mounted exhalation valve and filter fittings (2, 5) and fastening means for a connected to a harness holder, wherein the Filteran- final and exhalation valve pieces (2, 5) each one of The soft elastic material of the mask body (1) surrounded stiffening plate (6) made of hard plastic, characterized in that the front Ausatemventil- or filter connection piece (2, 5) integrated in a mounting plate (4) at the edge subsequent, thin connecting strip (12) is and to the mounting plate (4) for plug-in connection with the holding device serving fastening cylinder (8) with locking lugs (9) and a Verdreh- securing projection (10) is integrally formed.
2. Maskenkörper nach Anspruch 1, dadurch gekennzeichnet, dass zur sicheren Einbindung des Ver- bindungsstreifens (12) und der Versteifungsplatten (6) in das Maskenkörpermaterial am Rand des Verbindungsstreifens (12) und der Versteifungsplatten (6) Durchbrüche (7) ausgebildet sind, die von dem Maskenkörpermaterial durchsetzt sind und das Maskenkörpermaterial ausgehend von beiden2. mask body according to claim 1, characterized in that for safe integration of the connection strip (12) and the stiffening plates (6) in the mask body material at the edge of the connecting strip (12) and the stiffening plates (6) openings (7) are formed, which are penetrated by the mask body material and the mask body material from both
Seiten miteinander und formschlüssig mit dem Verbindungsstreifen (12) und den Versteifungsplatten (6) verbinden.Connect the sides with each other and with a positive fit to the connecting strip (12) and the stiffening plates (6).
3. Maskenkörper nach Anspruch 2, dadurch gekennzeichnet, dass die Versteifungsplatten (6) aus Polyamid oder Polybutylenterephtalat bestehen und das Maskenkörpermaterial ein Flüssigsilikon mit Haftvermittlern zur Verbesserung der Klebeverbindung mit dem Verbindungsstreifen (12) und den Versteifungsplatten (6) ist.3. mask body according to claim 2, characterized in that the stiffening plates (6) made Polyamide or polybutylene terephthalate and the mask body material is a liquid silicone with coupling agents to improve the adhesive bond with the connection strip (12) and the stiffening plates (6).
4. Maskenkörper nach Anspruch 1, dadurch gekennzeichnet, dass in die Außenfläche der Montageplatte (4) eine Verdrehsicherungsnut (11) zur Fi- xierung des oberen Teils der Haltevorrichtung eingeformt ist.4. A mask body according to claim 1, characterized in that in the outer surface of the mounting plate (4) has a Verdrehsicherungsnut (11) for fixing the upper part of the holding device is formed.
5. Maskenkörper nach Anspruch 1, dadurch gekennzeichnet, dass der untere Rand des mit der Monta- geplatte (4) verbundenen Verbindungsstreifens5. A mask body according to claim 1, characterized in that the lower edge of the mounting plate (4) connected to the connecting strip
(12) und der Versteifungsplatten (6) in einem vom Maskenkörperrand entfernten Abstand endet, der dem Benutzer noch eine ausreichende Unterkieferbeweglichkeit gestattet.(12) and the stiffening plates (6) terminates at a distance from the mask body edge, which still allows the user sufficient mandibular mobility.
6. Maskenkörper nach Anspruch 1, dadurch gekennzeichnet, dass der Befestigungszylinder (8) das Ausatemventilstück (5) umgibt.6. mask body according to claim 1, characterized in that the fastening cylinder (8) surrounds the exhalation valve piece (5).
7. Maskenkörper nach Anspruch 1, dadurch gekennzeichnet, dass der Befestigungszylinder (8) ein Innengewinde aufweist und als Filteranschlussstück fungiert. 7. mask body according to claim 1, characterized in that the fastening cylinder (8) has an internal thread and acts as a filter connection piece.
EP08849078A 2007-11-16 2008-10-15 Mask body for a respiratory half-mask Active EP2209531B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08849078T PL2209531T3 (en) 2007-11-16 2008-10-15 Mask body for a respiratory half-mask

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007055241A DE102007055241B4 (en) 2007-11-16 2007-11-16 Respiratory half mask with a mask body
PCT/EP2008/063905 WO2009062801A1 (en) 2007-11-16 2008-10-15 Mask body for a respiratory half-mask

Publications (2)

Publication Number Publication Date
EP2209531A1 true EP2209531A1 (en) 2010-07-28
EP2209531B1 EP2209531B1 (en) 2012-05-02

Family

ID=40282188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08849078A Active EP2209531B1 (en) 2007-11-16 2008-10-15 Mask body for a respiratory half-mask

Country Status (10)

Country Link
US (1) US20100307506A1 (en)
EP (1) EP2209531B1 (en)
CN (1) CN101878054B (en)
AT (1) ATE555828T1 (en)
AU (1) AU2008323126B2 (en)
BR (1) BRPI0818109A2 (en)
DE (1) DE102007055241B4 (en)
PL (1) PL2209531T3 (en)
WO (1) WO2009062801A1 (en)
ZA (1) ZA201003948B (en)

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Also Published As

Publication number Publication date
AU2008323126A1 (en) 2009-05-22
CN101878054B (en) 2012-05-30
DE102007055241A1 (en) 2009-05-28
EP2209531B1 (en) 2012-05-02
ZA201003948B (en) 2011-03-30
ATE555828T1 (en) 2012-05-15
US20100307506A1 (en) 2010-12-09
PL2209531T3 (en) 2012-09-28
WO2009062801A1 (en) 2009-05-22
BRPI0818109A2 (en) 2016-03-22
CN101878054A (en) 2010-11-03
DE102007055241B4 (en) 2009-10-29
AU2008323126B2 (en) 2012-12-13

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