EP1486233B1 - Kopfschutzgerät mit Atemschutzmaske und Schutzschild - Google Patents

Kopfschutzgerät mit Atemschutzmaske und Schutzschild Download PDF

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Publication number
EP1486233B1
EP1486233B1 EP20040291336 EP04291336A EP1486233B1 EP 1486233 B1 EP1486233 B1 EP 1486233B1 EP 20040291336 EP20040291336 EP 20040291336 EP 04291336 A EP04291336 A EP 04291336A EP 1486233 B1 EP1486233 B1 EP 1486233B1
Authority
EP
European Patent Office
Prior art keywords
screen
mask
user
face
protective equipment
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
EP20040291336
Other languages
English (en)
French (fr)
Other versions
EP1486233A1 (de
Inventor
Gilles Pena
Laurent Preveyraud
Samuel Del Bianco
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.)
Safran Aerosystems SAS
Original Assignee
Intertechnique SA
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 Intertechnique SA filed Critical Intertechnique SA
Publication of EP1486233A1 publication Critical patent/EP1486233A1/de
Application granted granted Critical
Publication of EP1486233B1 publication Critical patent/EP1486233B1/de
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
    • 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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices

Definitions

  • the present invention relates to head protection equipment with a breathing mask and an optical screen. These include equipment for personnel flying aircraft.
  • the invention finds a particularly important application, although not exclusive, in aeronautics.
  • the document US 5,630,412 describes an example of such protective equipment that gives complete satisfaction.
  • the screen is adapted to be mounted quickly and releasably on the mask, especially when the latter is already in place on the face of a user.
  • regulations may require that pilots and co-pilots of transport aircraft wear protective equipment. against hypoxia, permanently under certain flight conditions, especially at very high altitude or when only one pilot is present in the cabin.
  • the user may be required to wear a screen, in addition to the mask already in place.
  • a seal intended to be applied around the window of the screen, on the face of the user.
  • the present invention is intended to further improve the junction between the face of the user and the screen. Another goal is to help save time for the installation of protective equipment.
  • protective equipment as defined in claim 1 is provided.
  • the equipment according to the invention adapts more easily to different face morphologies of users by allowing the screen to switch back and forth, to get closer to the front of the user and apply the screen around his eyes.
  • the invention relates to a protective screen according to claim 9, for protective equipment as indicated above; it may comprise guide tabs adapted to fit respectively each under a strap of a harness when setting up the screen on the mask.
  • This protective equipment 1 comprises a mask 2, a harness 4 and a screen 6.
  • the mask 2 and the harness 4 are of a known type. They are for example of the type already described in the documents EP-A-0 288 391 or US 5,630,412 .
  • the mask 2 comprises an oronasal face cover 8, an on-demand regulator 10, a connection block 12 and a shell 14.
  • the demand regulator 10 is connected to a source of pressurized respiratory gas by a flexible tube 16.
  • Connection block 12 connects the demand regulator 10 to the inflatable harness 4.
  • the shell 14 covers the front of the oronasal face cover 8.
  • the oronasal face cover 8 is adapted to be applied to the lower face of a user. As shown on the figure 2 the oronasal face cover 8 has a cavity intended to cover the nose and the mouth of this user. This cavity is lined with a flexible membrane also extending all around thereof, to form a seal 18 intended to be applied in contact with the face of the user.
  • the shell 14 has an edge surface 20 located substantially in coincidence with that of the nose of the user, when the latter is wearing the mask 2.
  • the oronasal face cover 8 has a valve 26.
  • the valve 26 is upwardly at the edge surface 20.
  • the shell 14 has a locking ramp 24.
  • the locking ramp 24 is located at the bottom of the edge surface 20, between the valve 26 and the connection block 12.
  • a plane P which corresponds to the plane of the sheet on which is the figure 2 .
  • This plane P corresponds to the plane of symmetry of the face of the user. It passes through the top of the ridge surface 20.
  • a vertical Z direction is also defined, which extends from bottom to top with reference to the top and bottom of a user's face.
  • the locking ramp 24 has a hook shape open downwards, with a first branch 23 oriented with a Z-component directed from top to bottom and towards the inside of the mask and a second branch 25 substantially perpendicular to the first branch 23 and with a free end located below this first branch 23.
  • the first branch 23 comprises two slides 28, disposed on either side of the plane P, symmetrically with respect thereto, and extend in the direction Z-.
  • Each slide 28 is surmounted by a locking blade 29.
  • Each locking blade 29 has a free end shaped in lug 30 extending in opposite directions, substantially horizontally and perpendicularly to the locking blades 29. These locking blades 29 are sufficiently flexible to deform elastically on a displacement corresponding substantially to the length of the lugs 30.
  • Each lug 30 has a straight edge 31, substantially perpendicular to the locking blades 29 and a skewed edge 32. Each straight edge 31 makes it possible to retain the locking blades 29 in the locking element in which they are intended to be introduced.
  • Each biased edge 32 facilitates their deformation and their insertion in this locking element.
  • the screen 6 comprises a rigid window 36 of optical quality surrounded by a frame 38 of relatively rigid plastic material.
  • the frame 38 is provided with a seal 40 adapted to apply a relatively large surface in contact with the face of the user.
  • the screen 6 and the mask 2 are advantageously provided so as to organize a flow of breathing gas in the screen 6 when the latter is in place on the face of the user.
  • the valve 26, closed when the screen 6 is not in place opens to admit respiratory gas from inside the mask 2 towards the inside of the screen 6.
  • Respiratory gas can escape by leakage between the seal 40 and the skin. Slots can also be provided in the upper part of the seal 40 so as to guide the breathing gas sweeping the volume between the face and the screen 6.
  • the opening of the valve 26, during the establishment of the screen 6 on the mask 2 is achieved by the insertion of a tongue 42 under a rim 44 overhanging the valve 26.
  • the tongue 42 When the tongue 42 is inserted under the flange 44, it presses a piston 45 (see figure 3 ), thus opening a breathing gas admission channel communicating the connection block 12 to the volume located between the screen 6 and the face of the user.
  • a spring pushes the piston to a seat 46 to close the intake channel.
  • the screen 6 has a hooking nose 50 provided to allow a quick and easy installation of the screen 6 on the shell 14 of the mask 2.
  • the locking means of the screen 6 on the mask 2 may have Constitutions very diverse and the embodiment given below is just one example.
  • the locking nose comprises a gripping member 52, a carriage 54 and a protective casing 56.
  • the gripping member 52 cooperates, in the approach of the screen 6 on the mask 2, with the first 23 and second 25 branches of the locking ramp 24, to guide the user in the positioning of the screen 6 on the mask 2.
  • the gripping member 52 is slidably mounted on the carriage 54.
  • a spring 49 is interposed between the carriage 54 and a key 63, an axis 64 connected to the gripping member 52, passing through the middle of the spring 49.
  • the spring 49 is located on the other side of the gripping member 52, relative to the key 63.
  • the spring 49 is in compression. It therefore tends to bring the gripping member 52 and the carriage 54 closer to each other.
  • the carriage 54 comprises slides 55 intended to cooperate with the locking blades 29. When the screen 6 is locked on the mask 2, the carriage 54 is thus fixed with respect to the mask 2.
  • the carriage 54 is mounted on the frame 38 via a first 57 and a second link 58.
  • the first 57 and second 58 links allow the frame 38, and therefore the screen 6, to pivot about an axis of rotation C so as to catch a game at the upper edge 61 of the seal 40, by a substantially horizontal displacement of up to about 10mm.
  • the frame 38 comprises guide tabs 39 intended to be inserted without further manipulation by the user, under the harness straps 5, when the user positions the screen on the mask 2. More specifically, the straps are provided with collars 7, at the places of insertion of the guide lugs 39. These collars 7 facilitate the insertion of the guide lugs 39 under the straps 5. In addition, the guide lugs 39 are shaped to raise the straps 5 on the sides of the frame 38, in order to apply more effectively the seal 40 on the face of the user.
  • a ventilation finger 59 is rigidly connected to the carriage 54.
  • the ventilation finger 59 is surmounted by the tongue 42, which is fixed with respect to the mask 2, when the screen 6 is attached to the mask 2.
  • a spring of screen 60 is interposed between the finger of ventilation 59 and the frame 38. Thus, this screen spring 60 biases the screen 6 rearward, that is to say towards the face of the user when the equipment 1 is in position of use on the head of this user.
  • the protective casing 56 covers the carriage 54, in the variable space left between the frame 38 and the gripping member 52, while allowing the movement of the moving parts, carriage 54 and gripping member 52.
  • the gripping member 52 is provided with two flexible blades 53 which, passing the hard point constituted by the protuberances 33, strike the shell 14 and thus produce a sound indicator of the locking of the screen 6 on the mask 2.
  • the gripping member 52 has driven the carriage 54, which is movable relative to the gripping member 52 and which in this case abuts against it.
  • the locking blades 29 have deformed to penetrate into the carriage 54, then have elastically straightened to a rest position in which their straight edges 31 cooperate with the carriage 54 to retain the locking nose 50 on the mask 2.
  • each lug 30 is provided in its lower part with an unlocking slope 34.
  • the figure 9 corresponds to a section passing through the unlocking slopes 34.
  • the gripping member comprises claws 35.
  • the user pulls on the gripping member 52.
  • the latter slides along the carriage 54.
  • the claws 35 cooperate with the unlocking slopes 34, biasing the locking blades 29 towards one another.
  • the carriage 54 is driven by the gripping member 52, on the one hand by the spring 49 and on the other hand by the stops 62 (see figure 7 ).
  • the lugs then retract and the straight edges 31 emerge from the carriage 54.
  • the flexible blades are released simultaneously protrusions 33.
  • the screen 6 is removed from the mask 2 without requiring the user operation combined.
  • a single simple gesture is sufficient to separate the screen 6 of the mask 2.

Landscapes

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

Claims (9)

  1. Kopfschutzausrüstung mit
    - einer Atemschutzmaske (2), die an eine Atemgasquelle anschließbar und dazu geeignet ist, in einer Gebrauchsposition an den unteren Teil des Gesichts eines Benutzers, um seine Nase und seinen Mund angelegt zu werden und ihn mit Atemgas zu versorgen,
    - einem Augenschutzschild (6), der dazu geeignet ist, an den oberen Teil des Gesichts des Benutzers um seine Augen angelegt zu werden, und
    - ersten (29) und zweiten (50) Verriegelungselementen, die an der Maske (2) bzw. am Schild (6) angeordnet und dazu geeignet sind, zusammenzuwirken, um den Schild (6) an der Maske (2) zu befestigen, wenn sich die Maske (2) in ihrer Gebrauchsposition auf dem Gesicht des Benutzers befindet,
    dadurch gekennzeichnet, dass der Schild (6) und das zweite Verriegelungselement (50) dazu geeignet sind, sich um eine zur Symmetrieebene des Gesichts des Benutzers verlaufende Achse (C) bezüglich einander zu verlagern und das Anlegen des Schilds (6) am Gesicht des Benutzers zu begünstigen, wenn das zweite Verriegelungselement (50) am ersten Verriegelungselement (29) verriegelt ist.
  2. Schutzausrüstung nach Anspruch 1, wobei die ersten (29) und zweiten (50) Verriegelungselemente mittels zweier Gestänge (57, 58) um eine horizontale Achse (c) bezüglich einander beweglich sind.
  3. Schutzausrüstung nach einem der vorhergehenden Ansprüche, wobei die Maske (2) eine Verriegelungsrampe (24) umfasst, die geeignet ist, den Schild (6) in eine Verriegelungsposition des Schilds (6) an der Maske (2) zu führen, wenn sich der Schild (6) der Maske (2) nähert.
  4. Schutzausrüstung nach Anspruch 3, wobei die Verriegelungsrampe (24) mit einer von oben nach unten und zum Inneren der Maske (2) hin weisenden Komponente (Z-) ausgerichtet ist.
  5. Schutzausrüstung nach einem der vorhergehenden Ansprüche, mit Federmitteln (60), die dazu geeignet sind, den Schild (6) zum Gesicht des Benutzers zurückzubringen, wenn der Schild (6) an der Maske (2) befestigt ist und die Maske (2) vom Benutzer getragen wird.
  6. Schutzausrüstung nach einem der vorhergehenden Ansprüche, mit einem Gurtwerk (4), das mit Gurten (5) versehen ist, die dazu geeignet sind, die Maske (2) am Kopf des Benutzers in Gebrauchsposition zu halten, und bei der der Schild (6) zwei Führungsansätze (39) umfasst, die dazu geeignet sind, bei der Anordnung des Schilds (6) an der Maske (2) jeweils unter einen Gurt (5) des Gurtwerks (4) geschoben zu werden.
  7. Schutzausrüstung nach Anspruch 6, wobei die Führungsansätze (39) dazu geeignet sind, die Gurte (5), unter die sie bei der Anordnung des Schilds (6) an der Maske (2) geschoben worden sind, an den Seiten des Schilds (6) wieder nach oben zu führen.
  8. Schutzausrüstung nach Anspruch 6 oder 7, wobei die Gurte (5) des Gurtwerks (4) an den Stellen, an denen die Führungsansätze (39) unter diese Gurte (5) geschoben werden, mit einem Halsriemen (7) versehen sind.
  9. Augenschutzschild (6) für eine Kopfschutzausrüstung nach einem der Ansprüche 1 bis 8, wobei der Schild (6) dazu geeignet ist, an den oberen Teil des Gesichts eines Benutzers der Schutzausrüstung angelegt zu werden, wobei die Schutzausrüstung außerdem eine Atemschutzmaske (2) umfasst, die dazu geeignet ist, an den unteren Teil des Gesichts des Benutzers angelegt zu werden, wobei der Schutzschild (6) ein Verriegelungselement (50) umfasst, das dazu geeignet ist, mit dem an der Maske (2) angeordneten Verriegelungselement (29) zusammenzuwirken, um den Schild an der Maske zu befestigen, wenn die Maske (2) in ihrer Gebrauchsposition auf dem Gesicht des Benutzers ist,
    dadurch gekennzeichnet, dass der Schild (6) und das Verriegelungselement (50) dazu geeignet sind, sich um eine zur Symmetrieebene des Gesichts des Benutzers senkrechte Achse (C) bezüglich einander zu verlagern und das Anlegen des Schilds (6) am Gesicht des Benutzers zu begünstigen.
EP20040291336 2003-06-10 2004-05-27 Kopfschutzgerät mit Atemschutzmaske und Schutzschild Expired - Lifetime EP1486233B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306963A FR2855976B1 (fr) 2003-06-10 2003-06-10 Equipement de protection de tete a masque respiratoire et ecran de protection
FR0306963 2003-06-10

Publications (2)

Publication Number Publication Date
EP1486233A1 EP1486233A1 (de) 2004-12-15
EP1486233B1 true EP1486233B1 (de) 2010-01-20

Family

ID=33186460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040291336 Expired - Lifetime EP1486233B1 (de) 2003-06-10 2004-05-27 Kopfschutzgerät mit Atemschutzmaske und Schutzschild

Country Status (4)

Country Link
EP (1) EP1486233B1 (de)
CA (1) CA2469964A1 (de)
DE (1) DE602004025172D1 (de)
FR (1) FR2855976B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017011909A1 (de) * 2017-12-21 2019-06-27 Dräger Safety AG & Co. KGaA Maskenadapter für den Anschluss von zwei Atemschläuchen eines Kreislaufatemschutzgerätes an einer Atemmaske

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614208B1 (fr) 1987-04-22 1989-09-08 Intertechnique Sa Harnais de masque respiratoire et masque en comportant application.
FR2715572B1 (fr) 1994-02-02 1996-04-26 Intertechnique Sa Equipement de protection de tête à masque respiratoire et écran optique.
US5704073A (en) * 1995-08-01 1998-01-06 Figgie International Inc. Quick donning goggles for use with breathing mask
US6651662B2 (en) * 2000-08-23 2003-11-25 Mine Safety Appliances Company Alignment and connection mechanism for a mask-mounted regulator

Also Published As

Publication number Publication date
FR2855976B1 (fr) 2006-03-24
EP1486233A1 (de) 2004-12-15
DE602004025172D1 (de) 2010-03-11
FR2855976A1 (fr) 2004-12-17
CA2469964A1 (fr) 2004-12-10

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