EP0710492B1 - Persönliche Schutzausrüstung gegen NBC Angriffe - Google Patents

Persönliche Schutzausrüstung gegen NBC Angriffe Download PDF

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Publication number
EP0710492B1
EP0710492B1 EP95402457A EP95402457A EP0710492B1 EP 0710492 B1 EP0710492 B1 EP 0710492B1 EP 95402457 A EP95402457 A EP 95402457A EP 95402457 A EP95402457 A EP 95402457A EP 0710492 B1 EP0710492 B1 EP 0710492B1
Authority
EP
European Patent Office
Prior art keywords
helmet
face
cover
envelope
hoop
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
EP95402457A
Other languages
English (en)
French (fr)
Other versions
EP0710492A1 (de
Inventor
Jean-Philippe Bonhomme
Eric Farin
Jean-Claude Urgel
Claude Fevrier
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 EP0710492A1 publication Critical patent/EP0710492A1/de
Application granted granted Critical
Publication of EP0710492B1 publication Critical patent/EP0710492B1/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
    • A62B18/04—Gas helmets

Definitions

  • the present invention relates to individual equipment for the protection of personnel exposed to so-called threats NBC (nuclear, bacteriological or chemical contamination).
  • NBC nuclear, bacteriological or chemical contamination
  • Such individual equipment usually includes a helmet, a face cover provided with fasteners intended for attach it to the helmet and a ventilation pipe fitting or breathing gas supply, and an envelope flexible, often called neck seal, intended for extend the helmet and the face cover downwards, as well as waterproof connection means between the helmet, the face cover and the envelope.
  • the helmet provides protection against the perforation and the shocks and moreover serves to support different elements, such as earphones and transparent visor.
  • This constitution allows staff to use only the helmet when he has to accomplish a mission that does not carries no NBC threat. It thus avoids the discomfort of pieces of equipment that completely wrap around the face and the neck.
  • the personnel When, on the other hand, the personnel is informed, before a mission, risk of NBC aggression, he mounts the envelope on the helmet.
  • the actual presence of a threat is signaled, either by sensor means carried by the vehicle occupied by staff, either by transmission, staff fits the face cover, attaches it to the helmet and having previously started the ventilation system which supplies it with filtered air or the gas supply system breathable.
  • the first situation arises in particular on helicopters, which operate at low altitude and whose equipment consequently does not include a supply of oxygen under pressure and on transport aircraft soldiers operating at moderate altitude.
  • the present invention aims in particular to remove this disadvantage and to provide individual equipment of protection eliminating such a triple point and allowing to use the helmet alone, or with the envelope, the face cover necessary for NBC protection only added in case of necessity.
  • the invention notably proposes equipment in which the sealed connection means comprise at minus a hoop permanently attached to the helmet or removable, extending the base of the helmet forward, including the upper edge is designed to receive the face cover and which receives the envelope in a sealed manner.
  • the lower edge is provided for sealingly receiving a ring forming attached and belonging to the envelope.
  • envelope must be understood in the broad sense: the envelope generally consists of a neck seal enclosing the pilot's neck to ensure a watertight gas, which is covered with a plastron for sealing against liquid.
  • ring should also be interpreted as broadly and as broadly covering all joints whose periphery has no interruption, especially those that are circular at rest.
  • the arch is fixed permanently on the helmet and has a shape approaching a semicircle. It is connected without breaking continuity at the base of the helmet. It can be made up of flexible material so as to bend when it comes to rest against an obstacle due to head movements then the pilot is not wearing a face cover.
  • the envelope includes a closed ring intended to adapt on the one hand to the arch, on the other hand to the lower edge of the helmet.
  • the arch is removable and in one piece and it includes a constituent branch a lower closed loop for receiving the entire envelope seal and a transverse branch provided for to adapt on one side to the helmet and to receive on the other side of the face cover.
  • the front cover and the roll bar can be provided so that a space remains between the head and the face cover assembly and shell.
  • the face cover contains an oro-nasal mask delimiting a respiratory volume leading directly to the outside by an exhalation valve and supplied from the space between the face cover and the mask through an inspiration valve between air intake and oro-nasal mask.
  • an oro-nasal mask delimiting a respiratory volume leading directly to the outside by an exhalation valve and supplied from the space between the face cover and the mask through an inspiration valve between air intake and oro-nasal mask.
  • the equipment shown schematically in Figure 1 is intended to be supplied with atmospheric air through a protection filter not shown and possibly a fan.
  • the equipment includes a helmet 10, a face cover 12 having a transparent visor 14 and an envelope 16.
  • the face cover carries an exhalation valve 30, a end piece 32 for connection to a flexible supply duct 34 air and possibly a supply nozzle liquid not visible in Figure 1, placed symmetrically relative to the tip 32 relative to the median plane vertical of the face cover.
  • the equipment comprises a hoop 18 intended to allow the connection of the helmet 10, of the face cover 12 and of the envelope 16 in a sealed manner.
  • this hoop 18 is removable and in one piece. It includes a branch lower 20 in the form of a closed loop, intended to receive the envelope 16, and a transverse branch 22 in the form of U, designed to fit on one side to helmet 10 and the other side to the face cover.
  • the person to protect for example a helicopter pilot, fits the envelope 16 and the arch 18 on the helmet 10 before to style it.
  • the pilot sets up the cover 12, provided with fasteners 24 allowing it to be pressed against the arch 18.
  • the envelope 16 consists of a seal 26 with an extension flexible at its base, enclosing the neck, semi-rigid, shaped corresponding to that of the lower branch 20 of the headband, and a waterproof fabric bib 28 connected tightly and permanently at the joint 26.
  • the arch 18 and the envelope 16 are permanently attached.
  • FIGS 2 to 4 show a particular constitution possible of the different components that have just been described.
  • the elements already represented on Figure 1 are designated by the same reference number.
  • the helmet 10 shown in FIG. 2 comprises, so classic, a rigid shell 36 coated, on a major part of its internal surface, anti-shock padding permanent 38.
  • the helmet shown has a custom internal padding 40, can be made of expanded material directly molded on the wearer's head and allowing the helmet to be positioned perfectly set on the head. This constitution is in particular advantageous when a helmet visor is provided, because in in this case the helmet must have a well-defined position on the head.
  • This custom internal padding may include grooves or openings allowing the passage of air from ventilation.
  • the lower branch of the roll bar shown in Figure 2 a a left shape, going down in front of the second branch, so as to adapt properly to a face cover 12 containing a respiratory mask 54 which will be more described later.
  • the sealing means interposed between the branch 22 the headband on the one hand, the helmet 10 and the face cover 12 on the other hand, can have the constitution shown in figure 3.
  • a groove 42 is formed having parallel faces, except at its swollen end intended to receive a seal "toric" 44.
  • the hoop can be attached to the helmet by various means.
  • the headband is snapped onto the shell 36 of the helmet by engagement of nipples 46, carried by the hull or the roll bar in recesses 48, formed in the hoop or the shell.
  • the end edge of the shell compresses the joint toric 44.
  • the face 50 of the hoop which is opposite the face cover 12 is advantageously inclined backwards and outwards.
  • a seal 52 On the back of the face cover 12 is fitted a seal 52 whose section can for example be that shown schematically in Figure 3. When the face cover is pulled towards the helmet by the fasteners 24, the seal 52 is crushed against slanted edges and seals.
  • the envelope 16 is permanently secured to the lower branch 20 of the arch, for example by gluing, and the connection between this lower branch of the arch and the shell 36 of the helmet is the same kind as the connection between branch 22 and the hull.
  • the face cover proper 12 is separated from an oronasal cavity by a mask 54.
  • This mask opens directly into the valve expiration 30, so the air charged with water vapor and into carbon dioxide released by the carrier leads directly to the atmosphere and cannot invade the rest of the face cover.
  • the exhalation valve 30 can be doubled or protected by a special cover, so as to ensure better protection against pollutant entry.
  • the mask 54 also carries an inspiration valve 56 intended for allow the passage of fresh air, brought by the nozzle 32 into the face cover, towards the inside of the mask.
  • the valve 56 can be connected to a ventilation manifold so as to ensure ventilation of the face by air circulation admitted into the mask.
  • the helmet 10 and the casing 16 can be provided with so there is also a breakdown of all of the head and especially the scalp.
  • channels are provided in the internal face of the padding 40 and receive ambient or conditioned air supplied by the end piece 32.
  • the rear part of the envelope, above the sealing part with the neck can be fitted an exhaust valve 58 evacuating to the atmosphere the flow of air that is not drawn through the mask.
  • the attachment of the face cover with the helmet in a position where it rests on the face prevents the face cover to move during the move until the moment when a mask sealing lip 54 is applied against the face. It is therefore desirable to customize each face cover / mask set.
  • This can be done by using the mask connections with the exhalation valve 30, the liquid supply socket and an extension end piece 32 as adjustable support points.
  • the connection between the mask and the exhalation valve 30 may consist of a set of two sections of tube 60 which can slide one inside the other and then be immobilized relative to each other when in the appropriate position.
  • the other two links can be similar.
  • the helmet, the face cover and the headband can in particular have the shape shown in figure 5.
  • the hoop is made in a single molded part, of left shape, having a lower branch, the front part of which lowers to leave enough space for a faceplate with a significant downward projection, allowing to release the visual field.
  • the exhalation valve 30 is located at the front.
  • the liquid supply socket and the connection are placed laterally, and oriented towards the down to the outside.
  • the arch is reduced to a half-branch 18a in horseshoe shape, permanently fixed and waterproof to the helmet shell, in line with the ridge bottom of the hull.
  • the envelope has a ring 26a intended to be tightly fixed on the helmet and headband, departing from a mission presenting a risk of NBC contamination.
  • the means of sealing and connection between the envelope ring and the headband-helmet assembly can be of the kind shown in Figure 4.
  • the arch 18a will generally have a downward plunging shape, comparable to that shown in Figures 2 and 3. So that the roll bar does not cause discomfort to the downward movement of the pilot's head when he is not not support a face cover, this hoop can be made in a flexible material, generally synthetic.
  • FIGS. 7 and 8 show yet another mode of production.
  • the equipment also includes a helmet 10 and a hoop 18 which is permanently fixed to an envelope 16.
  • a helmet 10 and a hoop 18 which is permanently fixed to an envelope 16.
  • FIGS. 7 and 8 the elements corresponding to those of the previous figures are designated by the same Reference number.
  • the face cover 12 is formed so as to be easily put in place.
  • it includes a front yoke 60 carrying a transverse rod 62.
  • a sagittal socket 64 in the form of a fork, intended for receive the spindle when the face cover 12 is moved up by dragging it along the part of the transverse branch 22.
  • the upper part of the transverse branch 22 may have lips or flaps side 66 and 68. However, the lower part can to be deprived of such lips.
  • the seal 52 may have various forms. For example, the part to the right of seal 52 in FIG. 8 may consist of a lip flexible curved instead of a tube.
  • the equipment can also be adapted for be used by ground personnel, with a light helmet and an air filter on the supply line.

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)
  • Helmets And Other Head Coverings (AREA)

Claims (10)

  1. Persönliche Schutzausrüstung, verwendbar von einer NBC-bedrohten Person, umfassend einen Helm (10), eine Gesichtsabdeckung (12), die versehen ist mit Befestigungsmitteln (24), zur Befestigung am Helm dienend, sowie mit einem Anschluß (32) für eine Leitung zur Ventilation oder zur Versorung mit Atemgas, und eine weiche Manschette (16), welche vorgesehen ist, den Helm und die Gesichtsabdeckung nach unten fortzusetzen, sowie dichtende Verbindungsmittel zwischen dem Helm, der Gesichtsabdeckung und der Manschette, dadurch gekennzeichnet, daß die dichtenden Verbindungsmittel zumindest einen Bügel (18), (18a) umfassen, der in permanenter oder lösbarer Weise an dem Helm befestigt ist, die Basis des Helmes nach vorne verlängernd, dessen oberer Teil vorgesehen ist, um die Gesichtsabdeckung aufzunehmen und welcher in dichtender Weise die Manschette aufnimmt.
  2. Ausrüstung nach Anspruch 1, dadurch gekennzeichnet, daß der Bügel (18a) in permanenter Weise an dem Helm befestigt ist, eine Form aufweisend, die sich einem Halbkreis annähert, wobei sich der Bügel (18a) kontinuierlich ohne Unterbrechung an der Basis des Helmes anschließt.
  3. Ausrüstung nach Anspruch 2, dadurch gekennzeichnet, daß der Bügel aus einem weichen Material gebildet ist.
  4. Ausrüstung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Manschette mit einem dichtenden Anschlußring bezüglich der Basis des Helmes und des Bügels (18a) versehen ist.
  5. Ausrüstung nach Anspruch 1, dadurch gekennzeichnet, daß der Bügel (18) lösbar und einstückig ausgebildet ist und einen unteren Ast (20) umfaßt, der eine geschlossene innere Aufnahmeschlaufe für die Manschette bildet, sowie einen transversalen Ast (22), vorgesehen zur Anpassung an eine Seite der Schale (36) des Helmes und um andererseits eine Dichtung der Gesichtsabdeckung aufzunehmen.
  6. Ausrüstung nach Anspruch 5, dadurch gekennzeichnet, daß die Manschette in permanenter Weise an dem unteren Ast (20) des Bügels befestigt ist.
  7. Ausrüstung nach Anspruch 5, dadurch gekennzeichnet, daß die Manschette einen Ring (26) umfaßt, in dichtender Weise mit dem unteren Ast (20) verbindbar und in permanenter Weise mit einem weichen Abschnitt (28) der Manschette (16) verbunden ist.
  8. Ausrüstung nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß die Gesichtsabdeckung und der Bügel in solch einer Weise vorgesehen sind, daß ein Raum verbleibt zwischen dem Kopf und der Anordnung aus Gesichtsabdeckung und Schale, und daß die Gesichtsabdeckung eine oro-nasale Maske (54) enthält, einen Atmungshohlraum begrenzend, unmittelbar nach außen mündend über eine Ausatmungsklappe (30), wobei der Atmungshohlraum versorgt wird über eine Ansaugklappe bzw. über ein Ansaugventil (56), welche bzw. welches mit einer Ventilationsrampe versehen ist, die es ermöglicht, Luft zu Kanälen der Polsterung (40) zu befördern.
  9. Ausrüstung nach Anspruch 8, dadurch gekennzeichnet, daß die Maske (54) in einstellbarer Weise in der Gesichtsabdeckung montiert ist.
  10. Ausrüstung nach Anspruch 9, dadurch gekennzeichnet, daß die Maske mit der Gesichtsabdeckung über einen Anschluß (60) verbunden ist, aufweisend ein von der Gesichtsabdeckung gestütztes Ausatmungsventil (30), eine Verbindung mit einem Anschluß (32) für Luftzufuhr in der Gesichtsabdeckung und eine Verbindung zwischen der Gesichtsabdeckung und einem Flüssigkeitsversorgunganschluß.
EP95402457A 1994-11-07 1995-11-03 Persönliche Schutzausrüstung gegen NBC Angriffe Expired - Lifetime EP0710492B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9413315 1994-11-07
FR9413315A FR2726478B1 (fr) 1994-11-07 1994-11-07 Equipement individuel de protection contre les agressions nbc

Publications (2)

Publication Number Publication Date
EP0710492A1 EP0710492A1 (de) 1996-05-08
EP0710492B1 true EP0710492B1 (de) 1999-09-08

Family

ID=9468572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402457A Expired - Lifetime EP0710492B1 (de) 1994-11-07 1995-11-03 Persönliche Schutzausrüstung gegen NBC Angriffe

Country Status (8)

Country Link
US (1) US5575278A (de)
EP (1) EP0710492B1 (de)
AU (1) AU689328B2 (de)
CA (1) CA2162227C (de)
DE (1) DE69511988T2 (de)
ES (1) ES2136262T3 (de)
FR (1) FR2726478B1 (de)
IL (1) IL115896A (de)

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US6854459B1 (en) 2000-06-02 2005-02-15 Gerald L. Cox Head enclosing treatment hood
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US6626178B2 (en) * 2001-01-12 2003-09-30 Kirby Morgan Dive Systems, Inc. Full face mask with face seal and removable adaptors allowing full access to separate spaces
US6895960B2 (en) * 2001-01-18 2005-05-24 3M Innovative Properties Company Modular respirators and a method of conversion thereof
US6507486B2 (en) 2001-04-10 2003-01-14 Xybernaut Corporation Wearable computer and garment system
JP4430935B2 (ja) 2001-10-22 2010-03-10 エムアーペー メディツィンテクノロジー ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 呼吸マスク装置ならびに呼吸マスク装置用の装着具および前頭部支持具
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US7861715B2 (en) 2003-05-02 2011-01-04 Resmed Limited Mask system
US7197774B2 (en) * 2004-11-12 2007-04-03 3M Innovative Properties Company Supplied air helmet having face seal with differentiated permeability
US20060107431A1 (en) * 2004-11-12 2006-05-25 Curran Desmond T Supplied air helmet having a knitted face seal
US20060101552A1 (en) * 2004-11-15 2006-05-18 Lee Peter D Frictionally engaged supplied air helmet face seal
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ES2570171T3 (es) 2006-07-28 2016-05-17 Resmed Ltd Dispositivo de terapia respiratoria
US8517023B2 (en) 2007-01-30 2013-08-27 Resmed Limited Mask system with interchangeable headgear connectors
EP2837398B1 (de) 2008-03-04 2018-08-22 ResMed Limited Maskensystem
US11331447B2 (en) 2008-03-04 2022-05-17 ResMed Pty Ltd Mask system with snap-fit shroud
PL2271229T3 (pl) 2008-04-04 2018-11-30 3M Innovative Properties Company Uszczelnienie szybki dla nakrycia głowy
US11751615B1 (en) * 2019-06-25 2023-09-12 The United States Of America As Represented By The Secretary Of The Army Second-skin respirator cover

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Also Published As

Publication number Publication date
FR2726478A1 (fr) 1996-05-10
DE69511988T2 (de) 2000-02-24
FR2726478B1 (fr) 1997-01-17
US5575278A (en) 1996-11-19
EP0710492A1 (de) 1996-05-08
DE69511988D1 (de) 1999-10-14
CA2162227C (en) 2006-07-11
IL115896A0 (en) 1996-01-31
CA2162227A1 (en) 1996-05-08
AU689328B2 (en) 1998-03-26
AU3669395A (en) 1996-05-16
ES2136262T3 (es) 1999-11-16
IL115896A (en) 1998-12-06

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