EP0843975A1 - Device for preventing heat radiation to be visible from outside - Google Patents

Device for preventing heat radiation to be visible from outside Download PDF

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Publication number
EP0843975A1
EP0843975A1 EP96890173A EP96890173A EP0843975A1 EP 0843975 A1 EP0843975 A1 EP 0843975A1 EP 96890173 A EP96890173 A EP 96890173A EP 96890173 A EP96890173 A EP 96890173A EP 0843975 A1 EP0843975 A1 EP 0843975A1
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Prior art keywords
ventilated
zone
known per
outside
heat radiation
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EP96890173A
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German (de)
French (fr)
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EP0843975B1 (en
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Volker Ing. Haager
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Priority to AT0200191A priority Critical patent/AT402858B/en
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Priority to EP96890173A priority patent/EP0843975B1/en
Priority to DE59606729T priority patent/DE59606729D1/en
Publication of EP0843975A1 publication Critical patent/EP0843975A1/en
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/0025—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment by means of forced air circulation

Definitions

  • the invention relates to a device for preventing one of heat radiation to be made visible to the outside by means of a Thermal image.
  • This goal is achieved by the combination of the following, known measures, namely a protective suit which essentially envelops the body of a person and which has a fan is ventilated or vented, the ventilated zone being covered on the outside by a thermal insulation layer.
  • the ventilated zone in a manner known per se from two over Spacers spaced apart from each other flexible material webs.
  • a heat radiation from the human head To shield is one with a connection for loading or Vented hood arranged in the face area with a transparent, preferably perforated disc is provided.
  • Gloves are used to camouflage the hands in the context of the invention provided that the back of the hand is provided with thermal insulation and are breathable on the inside of the hand.
  • the inside of the hands mostly held towards the body so that this side is not insulated must be covered.
  • the thermal insulation layer expedient inward to air permeable. This also heats up the Garments (uniform), which is also breathable, prevented.
  • blower For ventilation purposes, one is within a portable within the scope of the invention Small container arranged blower, driven by an electric motor intended. Such blowers make the user of a fixed Connection independent and are e.g. in AT-PS 386.745.
  • FIG. 1 shows in schematic view one with a device according to the invention equipped people and Fig. 2 shows a section through the device along the line II-II in Fig. 1.
  • Fig. 3 shows schematically the layered structure of a device according to the invention again.
  • a protective suit essentially consists of three parts, namely a pair of pants 1, a jacket 2 and a hood 3. From one in one portable small container 4 arranged, driven by an electric motor Blowers lead lines 5 into the individual sections of the protective suit.
  • the Hood 3 is provided with a transparent pane 6 in the face area. This Disk 6 is perforated and, as indicated in Fig. 1, with a dark flexible and perforated material web be covered, whereby Reflections can be prevented.
  • the ventilated or vented zone 9 consists of drawn example of two flexible material webs 12, which by Spacers 13 are kept apart. Between the two material webs 12 consisting of an air-permeable fabric open the Hoses 5, the other ends of which are connected to the suction side of the blower Small container 4 are connected.
  • Zone 9 is therefore continuously vented by the blower, whereby Fresh air is sucked in through the fabric of the material webs 12.
  • Thermal insulation layer uses a layer which is permeable to air towards zone 9, air is sucked in through the likewise air-permeable material 11 and thus a Heating of this material, which will mostly be the uniform, avoided.
  • Gloves 14 are expediently provided to shield the hands, that have thermal insulation on the back of the hand. They are on the inside of the hand Gloves 14 breathable. Because the inside of the hands of the opposite (Enemy) is not turned, however, is an emitted heat radiation not noticeable for this.
  • Zone 9 could also be formed by perforated hoses, which with the hoses 5 are connected. It is also possible for partial areas perforated hoses and for the other areas material webs 12 according to FIG. 3 to use.
  • Thermal insulation layers allow heat to pass in one direction but in the other lock. Such layers are e.g. in so-called emergency blankets in Use.

Abstract

The appliance comprises a protective suit (1,2,3) enclosing the wearer's body, and ventilated by a ventilator. The exterior of the ventilated area (9) is covered by a thermally insulated layer (10). Perforated tubing is contained in the ventilated area. which consists of two flexible layers of material (11,12) held apart by spacer-arms (13). A hood (3) with connection to the ventilator has a transparent, preferably perforated pane (6) over the face area. Gloves have a thermally insulated layer over the back of the hands, and are permeable to air on the palms-side. The fan driven by an electric motor is contained in a small, portable container (4).

Description

Die Erfindung bezieht sich auf eine Einrichtung zur Verhinderung einer von außen sichtbar zu machenden Wärmestrahlung eines Menschen mittels eines Wärmebildes.The invention relates to a device for preventing one of heat radiation to be made visible to the outside by means of a Thermal image.

Es ist bekannt, daß die von einem Menschen ausgehende Wärmestrahlung im Infrarotbereich sichtbar gemacht werden kann, um so die Anwesenheit des Menschen zu erkennen. Im militärischen Bereich kann auf diese Weise auch bei sonst perfekter Tarnung oder bei Dunkelheit das Vorhandensein von Menschen festgestellt werden.It is known that the heat radiation emitted by a person in the Infrared range can be made visible, so as to determine the presence of the Recognizing people. In the military field this can also help otherwise perfect camouflage or the presence of people in the dark be determined.

Es ist daher das Ziel vorliegender Erfindung, eine Einrichtung zu schaffen, durch die eine

Figure 00010001
Wärmetarnung" möglich ist, d.h. es soll verhindert werden, daß Menschen auf Grund ihrer Wärmestrahlung geortet werden können. Erreicht wird dieses Ziel durch die Kombination folgender, an sich bekannter Maßnahmen, nämlich einen den Körper des Menschen im wesentlichen umhüllenden Schutzanzug, der über einen Lüfter be- oder entlüftet wird, wobei die be- oder entlüftete Zone außen durch eine Wärmedämmschicht bedeckt ist.It is therefore the object of the present invention to provide a device by which one
Figure 00010001
Thermal camouflage "is possible, ie it should be prevented that people can be located on the basis of their heat radiation. This goal is achieved by the combination of the following, known measures, namely a protective suit which essentially envelops the body of a person and which has a fan is ventilated or vented, the ventilated zone being covered on the outside by a thermal insulation layer.

Bei einer erfindungsgemäßen Einrichtung wird der Mensch einerseits mit einem Luftmantel umgeben, der dauernd gewechselt wird, sodaß eine wesentliche Erwärmung nicht möglich ist. Anderseits ist dieser Luftmantel noch von einer Wärmedämmschicht umhüllt, die eine eventuell noch vorhandene Wärmestrahlung sicher abschirmt. Durchgeführte Versuche haben die Wirksamkeit der erfindungsgemäßen Einrichtung erwiesen, wobei eine Entlüftung noch besser als eine Belüftung war.In a device according to the invention, on the one hand, people become involved surrounded by an air jacket that is constantly changed, so that an essential Warming is not possible. On the other hand, this air jacket is still one Thermal insulation layer envelops the possibly still existing heat radiation shields safely. Experiments carried out have the effectiveness of device according to the invention proved, with a ventilation even better than was ventilation.

Im Rahmen der Erfindung können in der be- oder entlüftbaren Zone aus gelochten Schläuchen bestehende Leitungen angeordnet sein, die die Be- oder Entlüftung durchführen. Eine derartige Anordnung ist bei Schutzanzügen zur Verwendung in einem durch Giftstoffe verseuchten Gebiet an sich bekannt und z.B. in der AT-PS 393 966 beschrieben.In the context of the invention can in the ventilated or vented zone perforated hoses existing lines can be arranged, the loading or Perform venting. Such an arrangement is for protective suits Use in an area contaminated with toxins known per se and e.g. in AT-PS 393 966.

Bei einer besonders vorteilhaften Ausführungsform der Erfindung besteht die be- oder entlüftbare Zone in an sich bekannter Weise aus zwei über Abstandsstege im Abstand voneinander gehaltenen flexiblen Materialbahnen.In a particularly advantageous embodiment of the invention the ventilated zone in a manner known per se from two over Spacers spaced apart from each other flexible material webs.

Um eine vom Kopf des Menschen ausgehende Wärmestrahlung abzuschirmen, ist erfindungsgemäß eine mit einem Anschluß zur Be- oder Entlüftung versehene Kapuze angeordnet, die im Gesichtsbereich mit einer durchsichtigen, vorzugsweise gelochten Scheibe versehen ist.A heat radiation from the human head To shield, is one with a connection for loading or Vented hood arranged in the face area with a transparent, preferably perforated disc is provided.

Zur Wärmetarnung der Hände sind im Rahmen der Erfindung Handschuhe vorgesehen, die handrückenseitig mit einer Wärmedämmung versehen und handinnenseitig luftdurchlässig sind. Erfahrungsgemäß werden die Handinnenseiten meist zum Körper hin gehalten, so daß diese Seite nicht von einer Wärmedämmung abgedeckt werden muß.Gloves are used to camouflage the hands in the context of the invention provided that the back of the hand is provided with thermal insulation and are breathable on the inside of the hand. Experience shows that the inside of the hands mostly held towards the body so that this side is not insulated must be covered.

Bei Anordnung einer entlüftbaren Zone ist die Wärmedämmschicht zweckmäßig nach innen zu luftdurchlässig. Dadurch wird auch eine Aufheizung des Gewandes (Uniform), das ebenfalls luftdurchlässig ist, verhindert.If a ventable zone is arranged, the thermal insulation layer expedient inward to air permeable. This also heats up the Garments (uniform), which is also breathable, prevented.

Zur Be- oder Entlüftung ist im Rahmen der Erfindung ein in einem tragbaren Kleinbehälter angeordnetes, durch einen Elektromotor angetriebenes Gebläse vorgesehen. Derartige Gebläse machen den Benutzer von einem ortsfesten Anschluß unabhängig und sind z.B. in der AT-PS 386.745 beschrieben.For ventilation purposes, one is within a portable within the scope of the invention Small container arranged blower, driven by an electric motor intended. Such blowers make the user of a fixed Connection independent and are e.g. in AT-PS 386.745.

Nachstehend ist die Erfindung an Hand von in den Zeichnungen dargestellten Ausführungsbeispielen näher beschrieben. Dabei zeigt Fig. 1 in schematischer Ansicht einen mit einer erfindungsgemäßen Einrichtung ausgestatteten Menschen und Fig. 2 stellt einen Schnitt durch die Einrichtung längs der Linie II-II in Fig. 1 dar. Fig. 3 gibt schematisch den schichtweisen Aufbau einer erfindungsgemäßen Einrichtung wieder.The invention is described below in the drawings illustrated embodiments described in more detail. 1 shows in schematic view one with a device according to the invention equipped people and Fig. 2 shows a section through the device along the line II-II in Fig. 1. Fig. 3 shows schematically the layered structure of a device according to the invention again.

Gemäß Fig. 1 besteht ein Schutzanzug im wesentlichen aus drei Teilen, nämlich einer Hose 1, einer Jacke 2 und einer Kapuze 3. Von einem in einem tragbaren Kleinbehälter 4 angeordneten, durch einen Elektromotor angetriebenen Gebläse führen Leitungen 5 in die einzelnen Teilbereiche des Schutzanzuges. Die Kapuze 3 ist im Gesichtsbereich mit einer durchsichtigen Scheibe 6 versehen. Diese Scheibe 6 ist gelocht und kann, wie in Fig. 1 angedeutet ist, mit einer dunklen flexiblen und mit Löchern versehenen Materialbahn bedeckt sein, wodurch Reflexionen verhindert werden.1, a protective suit essentially consists of three parts, namely a pair of pants 1, a jacket 2 and a hood 3. From one in one portable small container 4 arranged, driven by an electric motor Blowers lead lines 5 into the individual sections of the protective suit. The Hood 3 is provided with a transparent pane 6 in the face area. This Disk 6 is perforated and, as indicated in Fig. 1, with a dark flexible and perforated material web be covered, whereby Reflections can be prevented.

Gemäß Fig. 3, die z.B. den Teilbereich III in Fig. 2 darstellt, befindet sich über der Haut 7 des Menschen dessen Unterwäsche 8, darüber eine be- oder entlüftete Zone 9, darüber eine Wärmedämmschicht 10 und darüber der äußere Stoff 11 des Schutzanzuges. Die be- oder entlüftbare Zone 9 besteht im gezeichneten Beispiel aus zwei flexiblen Materialbahnen 12, die durch Abstandsstege 13 im Abstand voneinander gehalten werden. Zwischen den beiden aus einem luftdurchlässigen Gewebe bestehenden Materialbahnen 12 münden die Schläuche 5, die mit ihren anderen Enden an die Saugseite des Gebläses im Kleinbehälter 4 angeschlossen sind.3, e.g. represents sub-area III in FIG. 2 over the skin 7 of the person's underwear 8, over it a loading or vented zone 9, a thermal insulation layer 10 above and the outer one above Fabric 11 of the protective suit. The ventilated or vented zone 9 consists of drawn example of two flexible material webs 12, which by Spacers 13 are kept apart. Between the two material webs 12 consisting of an air-permeable fabric open the Hoses 5, the other ends of which are connected to the suction side of the blower Small container 4 are connected.

Durch das Gebläse wird daher die Zone 9 dauernd entlüftet, wobei Frischluft über das Gewebe der Materialbahnen 12 angesaugt wird. Wird als Wärmedämmschicht eine Schicht verwendet, die zur Zone 9 hin luftdurchlässig ist, wird Luft über den ebenfalls luftdurchlässigen Stoff 11 angesaugt und damit eine Aufheizung dieses Stoffes, der meistens die Uniform sein wird, vermieden.Zone 9 is therefore continuously vented by the blower, whereby Fresh air is sucked in through the fabric of the material webs 12. Is considered Thermal insulation layer uses a layer which is permeable to air towards zone 9, air is sucked in through the likewise air-permeable material 11 and thus a Heating of this material, which will mostly be the uniform, avoided.

Im Bereich des Kopfes wird unterhalb der Kapuze ebenfalls Luft abgesaugt, die insbesondere über die Löcher der Scheibe 6 zuströmt. Der dadurch gebildete Frischluftmantel verhindert bereits weitgehend eine Abstrahlung von Wärme, da zufolge des dauernden Luftwechsels eine wesentliche Erwärmung der Luft nicht mehr stattfinden kann. Einen eventuell verbleibenden Rest von Wärmestrahlung schirmt die Wärmedämmschicht 10 ab.In the area of the head, air is also sucked out below the hood, which flows in particular through the holes in the disk 6. The one formed by it Fresh air jacket already largely prevents heat from being emitted, because due to the constant air change, there is no significant warming of the air more can take place. Any remaining heat radiation shields the thermal insulation layer 10.

Zur Abschirmung der Hände sind zweckmäßig Handschuhe 14 vorgesehen, die handrückenseitig eine Wärmedämmung aufweisen. Handinnenseitig sind die Handschuhe 14 luftdurchlässig. Da die Innenseite der Hände dem Gegenüber (Feind) jedoch nicht zugewendet wird, ist eine davon ausgehende Wärmestrahlung für diesen nicht merkbar.Gloves 14 are expediently provided to shield the hands, that have thermal insulation on the back of the hand. They are on the inside of the hand Gloves 14 breathable. Because the inside of the hands of the opposite (Enemy) is not turned, however, is an emitted heat radiation not noticeable for this.

Es ist auch möglich, die Zone 9 zu belüften, wobei dann zweckmäßig Auslaßöffnungen für die Luft vorhanden sein sollten. It is also possible to ventilate zone 9, in which case it is expedient Air outlet openings should be provided.

Die Zone 9 könnte auch durch gelochte Schläuche gebildet werden, die mit den Schläuchen 5 in Verbindung stehen. Es ist auch möglich, für Teilbereiche gelochte Schläuche und für die anderen Bereiche Materialbahnen 12 gemäß Fig. 3 zu verwenden.Zone 9 could also be formed by perforated hoses, which with the hoses 5 are connected. It is also possible for partial areas perforated hoses and for the other areas material webs 12 according to FIG. 3 to use.

Als Wärmedämmschicht haben sich insbesondere Schichten bewährt, die einen Wärmedurchgang in einer Richtung zulassen, in der anderen Richtung aber sperren. Derartige Schichten sind z.B. bei sogenannten Rettungsdecken in Gebrauch.Layers which have proven themselves in particular as thermal insulation layers are: allow heat to pass in one direction but in the other lock. Such layers are e.g. in so-called emergency blankets in Use.

Claims (7)

Einrichtung zur Verhinderung einer von außen sichtbar zu machenden Wärmestrahlung eines Menschen mittels eines Wärmebildes, gekennzeichnet durch die Kombination folgender, an sich bekannter Maßnahmen, nämlich einen den Körper des Menschen im wesentlichen umhüllenden Schutzanzug (1,2,3), der über einen Lüfter be- oder entlüftet wird, wobei die be- oder entlüftete Zone (9) außen durch eine Wärmedämmschicht (10) bedeckt ist.Device for preventing heat radiation of a person to be made visible from the outside by means of a thermal image, characterized by the combination of the following measures known per se, namely a protective suit (1, 2, 3) which essentially envelops the body of the person and which has a fan - or is vented, the ventilated zone (9) being covered on the outside by a heat insulation layer (10). Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß in der be- oder entlüftbaren Zone (9) in an sich bekannter Weise aus gelochten Schläuchen bestehende Leitungen angeordnet sind.Device according to claim 1, characterized in that lines consisting of perforated hoses are arranged in the ventilated zone (9) in a manner known per se. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die be- oder entlüftbare Zone (9) in an sich bekannter Weise aus zwei über Abstandstege (13) im Abstand voneinander gehaltenen flexiblen Materialbahnen (11,12) besteht.Device according to claim 1, characterized in that the zone (9) which can be ventilated or ventilated consists, in a manner known per se, of two flexible material webs (11, 12) which are spaced apart from one another by spacer webs (13). Einrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß eine mit einem Anschluß zur Be- oder Entlüftung versehene Kapuze (3) angeordnet ist, die im Gesichtsbereich mit einer durchsichtigen, vorzugsweise gelochten Scheibe (6) versehen ist.Device according to one of claims 1 to 3, characterized in that a hood (3) provided with a connection for ventilation is arranged, which is provided in the face area with a transparent, preferably perforated disc (6). Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß Handschuhe vorgesehen sind, die handrückenseitig mit einer Wärmedämmschicht versehen und handinnenseitig luftdurchlässig sind.Device according to one of claims 1 to 4, characterized in that gloves are provided which are provided with a thermal insulation layer on the back of the hand and are air-permeable on the inside of the hand. Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß bei Anordnung einer entlüftbaren Zone (9) die Wärmedämmschicht (10) nach innen zu luftdurchlässig ist.Device according to one of claims 1 to 5, characterized in that when a ventable zone (9) is arranged, the thermal barrier coating (10) is too permeable to the inside. Einrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß zur Be- oder Entlüftung in an sich bekannter Weise ein in einem tragbaren Kleinbehälter (4) angeordnetes, durch einen Elektromotor angetriebenes Gebläse vorgesehen ist.Device according to one of claims 1 to 6, characterized in that a blower arranged in a portable small container (4) and driven by an electric motor is provided for ventilation in a manner known per se.
EP96890173A 1991-10-08 1996-11-21 Device for preventing heat radiation to be visible from outside Expired - Lifetime EP0843975B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT0200191A AT402858B (en) 1991-10-08 1991-10-08 DEVICE FOR PREVENTING OUTSIDE HEAT RADIATION
EP96890173A EP0843975B1 (en) 1991-10-08 1996-11-21 Device for preventing heat radiation to be visible from outside
DE59606729T DE59606729D1 (en) 1996-11-21 1996-11-21 Device for preventing heat radiation to be made visible from the outside

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0200191A AT402858B (en) 1991-10-08 1991-10-08 DEVICE FOR PREVENTING OUTSIDE HEAT RADIATION
EP96890173A EP0843975B1 (en) 1991-10-08 1996-11-21 Device for preventing heat radiation to be visible from outside

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EP0843975A1 true EP0843975A1 (en) 1998-05-27
EP0843975B1 EP0843975B1 (en) 2001-04-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359612A (en) * 2000-02-22 2001-08-29 Secr Defence Infrared camouflage face mask
US7636955B2 (en) * 2003-07-10 2009-12-29 Cylena Medical Technologies Inc. Protective apparel breathing assistance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018844A1 (en) * 2005-04-22 2006-10-26 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch den Präsidenten des Bundesamtes für Wehrtechnik und Beschaffung Camouflage cover for objects that are subject to potential military threat e.g. air attack has outer inflatable sections over stealth radar cover

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1155985A (en) * 1956-07-12 1958-05-12 Aerazur Constr Aeronaut Ventilated clothing
GB983423A (en) * 1960-04-27 1965-02-17 Paul Webb M D Personnel isolation and protection system
US3267486A (en) * 1964-08-27 1966-08-23 Madnick Herman Insulated gloves
US3525334A (en) * 1966-04-07 1970-08-25 Richard J Braman Garment assembly
CH642265A5 (en) * 1981-07-03 1984-04-13 Rahim Abbaszadegan Heat-protective clothing
AT386745B (en) 1987-03-24 1988-10-10 Blaschke Pumpen Filteranlagen DEVICE FOR VENTILATING PROTECTIVE SUITS
AT393966B (en) 1988-03-25 1992-01-10 Blaschke Pumpen Filteranlagen Protective suit for use in an area contaminated by toxic materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1155985A (en) * 1956-07-12 1958-05-12 Aerazur Constr Aeronaut Ventilated clothing
GB983423A (en) * 1960-04-27 1965-02-17 Paul Webb M D Personnel isolation and protection system
US3267486A (en) * 1964-08-27 1966-08-23 Madnick Herman Insulated gloves
US3525334A (en) * 1966-04-07 1970-08-25 Richard J Braman Garment assembly
CH642265A5 (en) * 1981-07-03 1984-04-13 Rahim Abbaszadegan Heat-protective clothing
AT386745B (en) 1987-03-24 1988-10-10 Blaschke Pumpen Filteranlagen DEVICE FOR VENTILATING PROTECTIVE SUITS
AT393966B (en) 1988-03-25 1992-01-10 Blaschke Pumpen Filteranlagen Protective suit for use in an area contaminated by toxic materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359612A (en) * 2000-02-22 2001-08-29 Secr Defence Infrared camouflage face mask
US7636955B2 (en) * 2003-07-10 2009-12-29 Cylena Medical Technologies Inc. Protective apparel breathing assistance

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Publication number Publication date
AT402858B (en) 1997-09-25
ATA200191A (en) 1997-01-15
EP0843975B1 (en) 2001-04-04

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