EP0578808A1 - Equipement individuel respiratoire et de protection en ambiance contaminee. - Google Patents
Equipement individuel respiratoire et de protection en ambiance contaminee.Info
- Publication number
- EP0578808A1 EP0578808A1 EP93904142A EP93904142A EP0578808A1 EP 0578808 A1 EP0578808 A1 EP 0578808A1 EP 93904142 A EP93904142 A EP 93904142A EP 93904142 A EP93904142 A EP 93904142A EP 0578808 A1 EP0578808 A1 EP 0578808A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hood
- helmet
- envelope
- mask
- intended
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/04—Hoods
-
- 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 subject of the invention is personal protective equipment in an environment likely to present contamination of nuclear, biological or chemical origin, so-called NBC protective equipment.
- a helmet having a rigid shell and internal padding, a hood intended to separate the head from the atmosphere and advantageously provided with means of supplying ventilation air.
- a hood intended to separate the head from the atmosphere and advantageously provided with means of supplying ventilation air.
- an oro-nasal respiratory mask provided with a conduit for connection to an external source of breathable gas and means of attachment to the helmet.
- the present invention aims in particular to provide respiratory equipment of the above type spreading or at least reducing the discomfort.
- the invention notably proposes an equipment in which the hood comprises an envelope in which is formed at least one opening intended to be placed before the eyes of the wearer and a removable transparent telescope provided with means of attachment to the hood and / or on the helmet in a position where its edges apply in a sealed manner to the envelope around the opening.
- the telescope When the telescope is placed outside the casing, which will be the most frequent case, it may be provided with means of attachment to the rigid shell of the helmet which may be of a constitution similar to that of the means of attachment of the respiratory mask to the helmet, except that it is not necessary that they have such a large amplitude of adjustment.
- These means can be pierced with a ventilation air supply duct and / or air extraction channel, so as to sweep the internal surface of the telescope with demisting air.
- the bezel is provided to be placed inside the envelope.
- the introduction of the visor through the opening and its correct positioning are more difficult than in the previous case.
- the use of a detachable telescope already significantly improves the comfort of the wearer of the hood.
- This result can be achieved without major difficulty by using a hood of elastic material, such as neoprene, provided, around the opening for receiving the mask, sealing means intended to be applied to the rigid shell which generally covers the front part of the
- REPLACEMENT SHEET covers the face of the mask or constitutes it.
- the junction between envelope and mask can in particular be made watertight by providing the envelope of the hood, along the opening for receiving the mask, with means such as a bead, a lip seal, or an inflatable seal. seal intended to fit into a circumferential groove provided on the mask shell.
- the mask can be left simply suspended from one of its straps in the absence of risk of contamination (and in the event of flights at low altitude when the equipment is intended for aircraft).
- the safety of the wearer is not however degraded, because it is currently accepted that the personnel can be informed of a risk of contamination early enough so that they have time to ensure their safety. protection by fitting the telescope and possibly the mask, in the case where it uses equipment according to the present invention.
- Figure 1 shows schematically, in exploded view, the various components of equipment according to a particular embodiment of the invention.
- FIG. 2 is a perspective view of half of the equipment of Figure 1, the helmet not being shown.
- Figure 3 is a sectional view along a median plane, simply showing the connections between on the one hand the hood of the hood and the telescope, on the other hand the envelope of the hood and the breathing mask.
- FIG. 6 is a block diagram showing a telescope equipped with demisting pipe.
- the respiratory equipment shown schematically in Figures 1 to 6 comprises, in a conventional manner, a helmet 10 consisting of a shell and an inner padding.
- the shell of the helmet 10 carries receptacles 14 intended to receive the fasteners 16 for fixing a mask respi ⁇ ratoire 18.
- This mask has, in conventional manner, a rigid shell 20, carrying a conduit 22 for connection with a conduit supply of breathable gas and a face cover 24 having a sealing lip.
- the equipment includes a hood 26, used or not depending on the type of mission.
- the fasteners can in particular have the constit ⁇ tion described in the document FR-A-88 04 616.
- the supply line can for example be connected, when using the equipment, to a demand regulator, such as than that described in document EP-A-0 153 247.
- the shell of the helmet 10 is made of rigid molded material and can have any of the constitutions known at present. It can be provided with one or more visors 12, displaceable between a retracted position where they are shown in FIG. 1 in a low position.
- the hood 26 is intended to be worn directly on the head, under the helmet 10.
- the hood according to the invention comprises on the one hand an envelope 28 made of a flexible and waterproof material, on the other hand a bezel 30, intended to be detachably attach to the envelope and to seal a hole in the envelope opposite the wearer's eyes.
- the hood may be entirely of a material, such as a vinyl derivative, which is flexible but not very extensible, entirely of a material having a certain
- REPLACEMENT SHEET elasticity such as neoprene, or composite, that is to say in several different materials depending on the location.
- hood can be provided to adapt to the morphology of different wearers.
- the envelope may have an internal collar folded upwards intended to constitute a neck seal.
- the hood of the hood also has an opening making it possible to introduce, from the outside, the respiratory mask 18 and to apply the face cover 24 against the face, around the nose and the mouth, the opening having a dimension such that its edge is then applied sealingly against the shell 20 of the mask.
- the major part of the shell 20 and the fixing means 16 remain outside the hood: the fasteners 16, formed by bayonets in the illustrated case, can consequently be engaged without difficulty in the receptacles 14 provided on the shell of the helmet 10.
- the envelope In order to fulfill the double condition that the face cover 24 can be inserted into the envelope and that there is a tight contact after introduction, the envelope must, at least in the part surrounding the opening, be made of elastic material.
- the part of the envelope which is outside the helmet must be made of a material impermeable to contamination. This condition is however not necessary for the part of the envelope which is covered by the helmet.
- This last part can therefore be made of a material whose contact with the skin is better supported than elastomers or synthetic materials, for example textile material.
- the bezel 30 is intended to be placed outside the envelope 28. It is constituted by a flexible sheet of transparent and impermeable material, such as a polymethacrylate, bearing on its inner face a seal 34 and which is extended by two fasteners 36 which may be constituted by racks.
- the envelope 28 has on its side a thickened border 38 delimiting the opening covered by the telescope and intended to constitute the sealing zone. It is often preferable to place, under the border 38, a reinforcement 40 locally stiffening the envelope so as to improve the seal and which may moreover have a variable thickness to compensate for irregularities of the face.
- the racks can be provided to engage in receptacles (not shown) formed on the outer shell of the helmet.
- the two attachment methods can be combined, the attachment to the envelope ensures correct positioning and is completed by the attachment to the helmet shell which makes it possible to withstand the forces due to the overpressure of the hood.
- the opening for receiving the mask can be delimited by a bead of gasket 42 which snaps into a circumferential groove provided for this purpose on the shell.
- This snap-in makes it possible to avoid a loss of tightness by pushing back the edge of the opening in the event of pressurization of the hood.
- FIG. 3 (where the elements corresponding to those of FIGS. 1 and 2 are designated by the same reference number) comprises an envelope having a fold 44 surrounding the edge of
- REPLACEMENT SHEET the opening for receiving the mask.
- the part of the envelope which comprises the fold 44 has a thickness el that is less than the thickness e2 of the rest of the envelope, so as to further increase the additional flexibility given by the fold and to improve the adaptation of the shell envelope 20.
- Several successive folds can be provided instead of just one.
- the support sealing of the face cover can be produced, as in the case of FIGS. 1 and 2, by a thin internal terminal fold 46 of the face covering.
- Figure 4 shows a hood in which the bezel 30 is provided with a border 48, for example of elastomer, internally carrying a seal 50 which can in particular be a lip seal or even an inflatable seal, which can be supplied by means which will be described later.
- This border can be extended by lugs 36a intended to be hooked, for example by snap-fastening, on bulges provided on the envelope of the hood.
- the envelope shown comprises, like that of FIG. 2, a neck seal 52.
- FIG. 5 shows the hood and the mask of an equipment in which the telescope 30 and the mask 18 are both fixed to the helmet by means of racks allowing pressure adjustment on the face and adaptation to the morphology of the wearer.
- racks allowing pressure adjustment on the face and adaptation to the morphology of the wearer.
- the use of such racks has the advantage that the wearer can initially put the racks in a position of simple hooking and push them in completely to guarantee sealing only in the event of danger, this operation being able to be carried out with one hand. .
- Other fixing methods are however possible.
- the telescope may for example be provided to hang all around the opening, while remaining provided with racks or lugs.
- racks 36 for attachment to the helmet shell makes it possible to generate a
- REPLACEMENT SHEET circulation of sweeping and demisting air and / or supplying an inflatable seal It is indeed possible to provide an air supply channel 54 in one or the other of the racks. The air can be exhausted from inside the hood. There can also be air recovery by a channel provided in one of the fortunemail ⁇ lomme. Power can be supplied either from the mask supply regulator, through flexible tubing of small diameter, or from the supply of the anti-g valve, when the pilot's protective equipment includes such a valve.
- the invention is susceptible of many other alternative embodiments.
- one or more of the seals must be of the inflatable and feedable type as soon as the regulator is put into service at the request for supplying the mask.
- the hooking devices may be different from those which have been shown by way of example. It is finally possible to provide, at least in the part of the envelope which covers the scalp, internal grooves allowing air circulation to evacuate perspiration.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9201017A FR2686795B1 (fr) | 1992-01-30 | 1992-01-30 | Equipement individuel respiratoire et de protection en ambiance contaminee. |
FR9201017 | 1992-01-30 | ||
PCT/FR1993/000100 WO1993014818A1 (fr) | 1992-01-30 | 1993-01-29 | Equipement individuel respiratoire et de protection en ambiance contaminee |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0578808A1 true EP0578808A1 (fr) | 1994-01-19 |
EP0578808B1 EP0578808B1 (fr) | 1996-09-11 |
Family
ID=9426155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93904142A Expired - Lifetime EP0578808B1 (fr) | 1992-01-30 | 1993-01-29 | Equipement individuel respiratoire et de protection en ambiance contaminee |
Country Status (5)
Country | Link |
---|---|
US (1) | US5653225A (fr) |
EP (1) | EP0578808B1 (fr) |
DE (1) | DE69304629T2 (fr) |
FR (1) | FR2686795B1 (fr) |
WO (1) | WO1993014818A1 (fr) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5724965A (en) * | 1995-06-06 | 1998-03-10 | Respironics Inc. | Nasal mask |
US5704073A (en) * | 1995-08-01 | 1998-01-06 | Figgie International Inc. | Quick donning goggles for use with breathing mask |
US6328031B1 (en) | 1997-03-20 | 2001-12-11 | Michael Scott Tischer | Firefighting hood and face mask assembly |
US6478025B1 (en) * | 1997-03-20 | 2002-11-12 | Tayco | Firefighting hood and SCBA face mask system |
US5875775A (en) * | 1997-04-09 | 1999-03-02 | Duram Rubber Products | Protective breathing mask |
FR2764200B1 (fr) * | 1997-06-10 | 1999-08-20 | Intertechnique Sa | Dispositif de protection contre l'hypoxie, utilisable en environnement hostile |
CA2223345A1 (fr) | 1997-12-03 | 1999-06-03 | Bombardier Inc. | Casque integral avec masque filtrant |
DE19851322C1 (de) * | 1998-11-06 | 2000-03-02 | Draeger Sicherheitstech Gmbh | Atemschutzmaske |
US6371116B1 (en) | 1999-06-24 | 2002-04-16 | Todd A. Resnick | Method and apparatus for pressurizing a protective hood enclosure with exhaled air |
US6134716A (en) * | 1999-10-04 | 2000-10-24 | Richardson; James M. | Disposable smoke mask with replaceable filter |
US6266828B1 (en) | 1999-12-20 | 2001-07-31 | Ralph Corsini | Integrated facemask firefighting hood |
US6279172B1 (en) * | 2000-02-02 | 2001-08-28 | Gentex Corporation | Custom fitting assembly for helmet |
US7007690B1 (en) * | 2000-08-31 | 2006-03-07 | The United States Of America As Represented By The Secretary Of The Army | Advanced chemical/biological crew mask |
ATE322185T1 (de) * | 2000-12-04 | 2006-04-15 | Gentex Corp | Anpassbare ausrüstung für helm mit schutzhaube |
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 |
CA2385731A1 (fr) * | 2001-05-24 | 2002-11-24 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Capuchon integre de protection contre les agents chimiques peu encombrant pour utilisation dans les casques |
US6829784B2 (en) * | 2001-08-17 | 2004-12-14 | Tayco | Firefighting hood with dual bib |
US6931668B2 (en) * | 2001-12-21 | 2005-08-23 | Itt Manufacturing Enterprises, Inc. | Headmount apparatus for attaching and supporting devices |
CA2422239A1 (fr) | 2002-03-12 | 2003-09-12 | Bombardier Inc. | Dispositif de reglage de masque respiratoire |
US8074299B2 (en) * | 2002-04-10 | 2011-12-13 | Interspiro, Inc. | Protective ensemble |
US6948191B2 (en) * | 2002-04-12 | 2005-09-27 | 3M Innovative Properties Company | Personal protective suit with partial flow restriction |
US6796304B2 (en) | 2002-04-12 | 2004-09-28 | 3M Innovative Properties Company | Personal containment system with sealed passthrough |
US6892725B2 (en) * | 2002-04-26 | 2005-05-17 | Mine Safety Appliances Company | Protective hoods and neck seals for use therein |
GB0210417D0 (en) * | 2002-05-08 | 2002-06-12 | Qinetiq Ltd | Respirator assembly |
US7278421B2 (en) * | 2002-09-30 | 2007-10-09 | Be Intellectual Property, Inc. | Full face flexible oxygen mask for use with flight helmets |
US20040168245A1 (en) * | 2002-10-18 | 2004-09-02 | Goodwin Edward L. | Washable, protective hip pad construction |
WO2004035142A1 (fr) * | 2002-10-18 | 2004-04-29 | Bae Systems Plc | Respirateur integre |
US6817358B1 (en) * | 2002-12-16 | 2004-11-16 | Todd A. Resnick | Protective hood with adjustable visor |
ATE350112T1 (de) * | 2003-06-02 | 2007-01-15 | Bluecher Gmbh | Kapuze für schutzbekleidung |
DE10327994B4 (de) * | 2003-06-02 | 2006-05-18 | BLüCHER GMBH | Kapuze für Schutzbekleidung und Bekleidungsstück mit Kapuze |
US20080276933A1 (en) * | 2004-01-12 | 2008-11-13 | Helmet Integrated Systems Limited | Headgear |
GB2409817B (en) * | 2004-01-12 | 2009-02-18 | Helmet Integrated Syst Ltd | Headgear |
AT500584B1 (de) * | 2004-07-23 | 2007-02-15 | Haager Birgit | Maskendichtrahmen |
US20100319105A1 (en) * | 2009-06-23 | 2010-12-23 | Cody Fairbanks | Facial Spacer Device and Associated Methods |
GB2515847B (en) * | 2013-12-04 | 2015-05-27 | Design Reality Ltd | Respirators |
US9931482B2 (en) * | 2014-04-10 | 2018-04-03 | Amron International, Inc. | Neck seal for a gas treatment hood |
GB201419946D0 (en) * | 2014-11-10 | 2014-12-24 | Mast Carbon Internat Ltd And Laser Optical Engineering Ltd | Personal protection device |
CA2968289A1 (fr) * | 2014-11-28 | 2016-06-02 | Scaldis St-Martin | Cagoule de protection de tete |
EP3318144B1 (fr) * | 2016-11-04 | 2019-08-21 | BeMicron | Cagoule de protection de tête avec cadre intégré |
US11806557B2 (en) * | 2018-12-06 | 2023-11-07 | Dupont Safety & Construction, Inc. | Protective garment having improved hood elastomeric interface |
DE102021003320B4 (de) | 2021-06-29 | 2023-06-15 | Theodoros Papadopoulos | Atemmaske mit der, durch ihre technischen Eigenschaften und einer besonderen Atemtechnik, das Beschlagen des Sichtglases vermieden wird, Atemluft aus einem "sauberen" Bereich transportiert werden kann, und keine Stoffe der Aussenwelt in den Atemkreislauf des Individuums gelangen können |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1077272A (en) * | 1912-12-16 | 1913-11-04 | Henry C Graybill | Face-mask. |
US2390233A (en) * | 1941-12-17 | 1945-12-04 | John D Akerman | Sealed aviator's suit and helmet and means for controlling gas pressure and oxygen delivery therein |
US3680555A (en) * | 1969-03-20 | 1972-08-01 | Draegerwerk Ag | Protective mask with annular flushing chamber |
FR2109042A5 (fr) * | 1970-06-16 | 1972-05-26 | Silor | |
US3971368A (en) * | 1975-08-13 | 1976-07-27 | Puritan Equipment, Inc. | Combined oxygen mask and smoke goggle apparatus with automatic flush valve |
GB1587121A (en) * | 1976-05-14 | 1981-04-01 | Secr Defence | Protective clothing |
IT1157703B (it) * | 1977-11-11 | 1987-02-18 | Secr Defence Brit | Perfezionamento nei respiratori |
US4315335A (en) * | 1980-10-16 | 1982-02-16 | Kennedy Alvin B Jun | Dual safe helmet |
DE3138697A1 (de) * | 1981-09-29 | 1983-04-07 | Multi-Chemie AG, 8001 Zürich | Abc-schutzmaske |
GB2148697B (en) * | 1983-10-31 | 1987-07-29 | Camberley Rubber Moulding Limi | Under helmet hood |
US4764990A (en) * | 1986-12-31 | 1988-08-23 | Markert Allan R | Ventilated face shield |
GB2203050B (en) * | 1987-04-06 | 1991-07-31 | Cam Lock | Respirator |
FR2629719B1 (fr) * | 1988-04-07 | 1991-03-08 | Intertechnique Sa | Dispositif de fixation de masque respiratoire sur un casque |
FR2639545B1 (fr) * | 1988-11-29 | 1991-02-22 | Intertechnique Sa | Equipement individuel respiratoire et de protection en ambiance contaminee |
USH883H (en) * | 1990-01-16 | 1991-02-05 | The United States Of America As Represented By The Secretary Of The Army | Protective mask |
IT1248373B (it) * | 1991-04-30 | 1995-01-11 | Sekur Spa | Maschera protettiva panoramica per interventi operativi in ambienti contaminati |
US5245993A (en) * | 1991-10-31 | 1993-09-21 | The Boeing Company | Pilot's ensemble with integrated threat protection |
-
1992
- 1992-01-30 FR FR9201017A patent/FR2686795B1/fr not_active Expired - Fee Related
-
1993
- 1993-01-29 US US08/157,110 patent/US5653225A/en not_active Expired - Fee Related
- 1993-01-29 DE DE69304629T patent/DE69304629T2/de not_active Expired - Fee Related
- 1993-01-29 EP EP93904142A patent/EP0578808B1/fr not_active Expired - Lifetime
- 1993-01-29 WO PCT/FR1993/000100 patent/WO1993014818A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9314818A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE69304629D1 (de) | 1996-10-17 |
FR2686795B1 (fr) | 1996-07-05 |
DE69304629T2 (de) | 1997-04-03 |
FR2686795A1 (fr) | 1993-08-06 |
EP0578808B1 (fr) | 1996-09-11 |
US5653225A (en) | 1997-08-05 |
WO1993014818A1 (fr) | 1993-08-05 |
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