EP1486233A1 - Kopfschutzgerät mit Atemschutzmaske und Schutzschild - Google Patents

Kopfschutzgerät mit Atemschutzmaske und Schutzschild Download PDF

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Publication number
EP1486233A1
EP1486233A1 EP04291336A EP04291336A EP1486233A1 EP 1486233 A1 EP1486233 A1 EP 1486233A1 EP 04291336 A EP04291336 A EP 04291336A EP 04291336 A EP04291336 A EP 04291336A EP 1486233 A1 EP1486233 A1 EP 1486233A1
Authority
EP
European Patent Office
Prior art keywords
mask
screen
user
straps
face
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
EP04291336A
Other languages
English (en)
French (fr)
Other versions
EP1486233B1 (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 equipment head protection with respiratory mask and screen optical. These include equipment for personnel flying aircraft.
  • the invention finds a particularly application important, although not exclusive, in aeronautics.
  • Document US 5,630,412 describes an example of such a protective equipment which gives complete satisfaction.
  • the screen is adapted to be able to be quickly and removably mounted on the mask, in particular when the latter is already in place on the face of a user.
  • the regulations may require pilots and co-pilots transport aircraft wear protective equipment against hypoxia, permanently under certain conditions of flight, especially at very high altitude or when only one pilot is present in the cabin.
  • the user may have to wear a screen, more of the mask already in place.
  • the object of the present invention is in particular further enhance the junction between the face of user and screen. Another goal is to contribute to save time in setting up equipment protection.
  • a protective equipment which, in addition to the provisions above, is characterized by the fact that the first and second lock elements are adapted to allow a displacement of the screen relative to the mask, and favor applying the screen to the user's face.
  • the equipment according to the invention adapts more easily to different user face morphs by allowing the screen to switch back and forth, to get closer of the user's forehead and apply the screen around his eyes.
  • the invention relates to a respiratory mask for protective equipment such as as indicated above; this may include in particular a locking ramp and / or straps fitted with clamps guide, at the places of insertion of the legs under these straps.
  • the invention relates a protective screen for protective equipment such as as indicated above; this can include legs guide adapted to fit each under a strap of a harness when setting up the screen on the mask.
  • This protective equipment 1 includes 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.
  • Mask 2 includes an oronasal face cover 8, a demand regulator 10, one connection block 12 and one shell 14.
  • the demand regulator 10 is connected to a source of breathing gas under pressure through a tube flexible 16.
  • the connection block 12 connects the regulator to the asks 10 for the 4 inflatable harness.
  • 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 in Figure 2, the oronasal face cover 8 has a cavity to cover the nose and mouth of this user. This cavity is lined with a membrane flexible also extending all around it, for form a seal 18 intended to be applied to the contact of the user's face.
  • 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 face cover oronasal 8 has a valve 26.
  • the valve 26 is located up 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 block of connection 12.
  • 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 interior of the mask and a second branch 25, substantially perpendicular to the first branch 23 and with a free end below this first branch 23. So if the user approaches screen 6 too bottom, on the mask 2, the screen 6 slides on the second branch which goes up towards the first branch 23, by which it is guided to its locked position. The user therefore approaches screen 6 of the face cover 8 in a simple and natural gesture and brings the screen 6 to the position locking in a movement comprising a component run from top to bottom. In this way, the user does not can, when it sets up the screen 6 on the face cover 8, that contribute to the correct positioning of the mask 2 on its face. This provision is particularly important in emergency such as the one that requires generally wearing the screen 6.
  • the first branch 23 has two slides 28, arranged on the side and on the other side of the plane P, symmetrically with respect to it, 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 as a lug 30 extending in opposite directions, substantially horizontally and perpendicular to the locking blades 29. These blades 29 are flexible enough to elastically deform on a corresponding displacement 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 biased edge 32. Each edge right 31 allows the locking blades to be retained 29 in the locking element in which they are intended to be introduced.
  • Each biased edge 32 allows to facilitate their deformation and their insertion in this locking element.
  • the screen 6 has a rigid quality window 36 optics surrounded by a plastic frame 38 relatively rigid.
  • Frame 38 has a seal seal 40 suitable for applying a surface relatively significant in contact with the face of the user.
  • the screen 6 and the mask 2 are advantageously planned to organize a gas circulation respiratory in screen 6 when the latter is in place on the user's face.
  • the valve 26, closed when screen 6 is not in place opens to allow breathing gas from inside the mask 2 towards the inside of the screen 6.
  • Breathing gas may leak out between the seal 40 and the skin. Slots can also be provided in the upper part of the joint sealing 40 so as to guide the respiratory gas scanning the volume between the face and the screen 6.
  • the opening of the valve 26, during the installation of screen 6 on mask 2 is made by inserting a tongue 42 under a flange 44 overhanging the valve 26. When the tongue 42 is inserted under the flange 44, it presses a piston 45 (see FIG. 3), thus opening a respiratory gas intake channel communication the connection block 12 to the volume located between screen 6 and the user's face. When the screen 6 is detached from mask 2, a spring pushes back the piston to a seat 46 in order to close the intake channel.
  • screen 6 has a hooking nose 50 provided to authorize a setting quick and easy place of screen 6 on shell 14 of mask 2.
  • the means for locking the screen 6 on the mask 2 can have very diverse constitutions and the embodiment given below is only 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 from screen 6 on mask 2, with the first 23 and second 25 branches of the locking ramp 24, for guide the user in positioning 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 linked to the gripping member 52, passing through the middle of the spring 49.
  • the spring 49 is located the other side of the gripping member 52, relative to the key 63.
  • the spring 49 is under compression. So it tends to bring the gripping member 52 and the carriage 54 together the other.
  • the carriage 54 includes slides 55 intended to cooperate with the locking blades 29. When the screen 6 is locked on the mask 2, the carriage 54 is therefore fixed relative to mask 2.
  • the carriage 54 is mounted on the frame 38 by through a first 57 and a second rods 58.
  • the first 57 and second 58 links allow the frame 38, and therefore on screen 6, to pivot around an axis of rotation C so as to make up for a clearance at the edge upper 61 of the seal 40, by a displacement substantially horizontal up to about 10mm.
  • the frame 38 includes guide tabs 39 intended to be inserted, without additional manipulation by the user, under the straps 5 of the harness, when the user positions the screen on the mask 2. More precisely, the straps are fitted with clamps 7, at the level of the premises inserting the guide lugs 39. These collars 7 facilitate the insertion of the guide tabs 39 under the straps 5.
  • the guide tabs 39 are shaped so as to raise the straps 5 on the sides of the frame 38, in order to more effectively apply the seal 40 on the face of the user.
  • a ventilation finger 59 is rigidly linked to the carriage 54.
  • the ventilation finger 59 is surmounted by the tongue 42, which is therefore fixed by compared to mask 2, when the screen 6 is fixed to mask 2.
  • a screen spring 60 is interposed between the finger ventilation 59 and frame 38. Thus, this screen spring 60 presses screen 6 backwards, i.e. towards face of the user when 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 member gripping 52, while allowing the movement of the parts mobile, carriage 54 and gripping member 52.
  • the gripping member 52 When the user, already wearing mask 2 on the face, wishes to equip itself with the screen 6, it takes hold of the screen 6 by the gripping member 52 and brings it towards the mask 2. Near mask 2, the positioning of the screen 6 is facilitated by the locking ramp 24. When the screen 6 is substantially correctly positioned on mask 2, the user continues to press the organ gripping 52 towards the mask 2. As illustrated by the Figure 7, the gripping member 52 is provided with two blades flexible 53 which, passing the hard point constituted by the protrusions 33, come to tap on the shell 14 and thus produce an audible indicator of the screen lock 6 on the mask 2. By thus pressing the gripping member 52 towards the mask 2, the user has driven the carriage 54, which is movable relative to the gripping member 52 and which in this case comes into abutment against it. So the locking blades 29 deformed to penetrate in carriage 54, then straightened elastically towards a rest position in which their straight edges 31 cooperate with the carriage 54 to retain the nose of lock 50 on the mask 2.
  • each lug 30 is fitted in its lower part, with a slope of unlocking 34.
  • Figure 9 corresponds to a section through the unlocking slopes 34. At this level, the gripping has claws 35.

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)
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 true EP1486233A1 (de) 2004-12-15
EP1486233B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966615A (zh) * 2017-12-21 2019-07-05 德尔格安全股份两合公司 用于将循环呼吸保护仪器的两个呼吸软管联接在呼吸面罩处的面罩适配器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0288391A1 (de) 1987-04-22 1988-10-26 Intertechnique Befestigungsgurt für Atemschutzmaske und Maske zum Gebrauch mit einem solchen Gurt
US5630412A (en) 1994-02-02 1997-05-20 Intertechnique Protective equipment for the head comprising a breathing mask and an optical screen
US6401716B1 (en) * 1995-08-01 2002-06-11 Scott Technologies, Inc. Quick donning goggles for use with breathing mask
US20020139371A1 (en) * 2000-08-23 2002-10-03 Prete Christopher L. Alignment and connection mechanism for a mask-mounted regulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0288391A1 (de) 1987-04-22 1988-10-26 Intertechnique Befestigungsgurt für Atemschutzmaske und Maske zum Gebrauch mit einem solchen Gurt
US5630412A (en) 1994-02-02 1997-05-20 Intertechnique Protective equipment for the head comprising a breathing mask and an optical screen
US6401716B1 (en) * 1995-08-01 2002-06-11 Scott Technologies, Inc. Quick donning goggles for use with breathing mask
US20020139371A1 (en) * 2000-08-23 2002-10-03 Prete Christopher L. Alignment and connection mechanism for a mask-mounted regulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966615A (zh) * 2017-12-21 2019-07-05 德尔格安全股份两合公司 用于将循环呼吸保护仪器的两个呼吸软管联接在呼吸面罩处的面罩适配器
CN109966615B (zh) * 2017-12-21 2022-06-24 德尔格安全股份两合公司 用于将循环呼吸保护仪器的两个呼吸软管联接在呼吸面罩处的面罩适配器

Also Published As

Publication number Publication date
FR2855976A1 (fr) 2004-12-17
EP1486233B1 (de) 2010-01-20
DE602004025172D1 (de) 2010-03-11
FR2855976B1 (fr) 2006-03-24
CA2469964A1 (fr) 2004-12-10

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