WO2015158504A1 - Balaklava und cbrn-schutzanzug - Google Patents
Balaklava und cbrn-schutzanzug Download PDFInfo
- Publication number
- WO2015158504A1 WO2015158504A1 PCT/EP2015/056255 EP2015056255W WO2015158504A1 WO 2015158504 A1 WO2015158504 A1 WO 2015158504A1 EP 2015056255 W EP2015056255 W EP 2015056255W WO 2015158504 A1 WO2015158504 A1 WO 2015158504A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing element
- balaclava
- seam
- hood
- mask
- Prior art date
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
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
Definitions
- the invention relates to a balaclava, in particular for a CBRN protective suit or the like, intended for use in combination with a mask body comprising a respirator or gas mask, with a hood and a face opening having hood, wherein the visual field opening is bounded by a seam and the Hem in the wearing state of the respirator or gas mask is formed to rest against the mask body, wherein the visual field opening has an upper opening portion and an opposite lower opening portion and two opposite lateral opening portions and wherein on the inside of the hood following the hem in the area at least one lateral opening region is provided at least one projecting, elastic sealing element for gas-tight, planar contact with the mask body.
- the invention relates to a CBRN protective suit with a Balaklava of the aforementioned kind.
- the invention also relates to a Balaklava or a CBRN protective suit with a respiratory protection or gas mask. Persons in contact with toxic substances that can be absorbed through the respiratory tract must protect themselves against these toxins by wearing a respirator or gas mask.
- CBRN protective suits chemical, biological, radioactive and nuclear [synonym also referred to as ABC protective suits]
- balaclava in particular for a protective suit, generally has a peripheral, elastic seam for forming a visual field opening, through which protrude parts of the respiratory mask or gas mask, wherein the hem of the balaclava is intended to be applied to the mask in the state of use.
- the problem is that the transition from the hem to the respirator or gas mask is not sufficiently sealed in most cases.
- a hood for protective clothing which has a circumferential hem.
- at least one peripheral sealing element is provided on the side of the seam facing the visual field opening for sealing engagement with the mask.
- the seam is designed as a sealing space, so that there is an increased sealing effect compared with a non-sealing seam.
- a Balaklava of the type mentioned is known to be avoided in the leaks between the Balaklava and the mask body or at least reduced.
- pockets are provided in the region of the seam, which contain an elastically deformable, approximately rectangular filling with straight edges.
- the object of the present invention is now to provide a balaclava or a CBRN protective suit with a balaclava, wherein a reliable and permanent gas-tightness between the mask and the balaclava can be ensured.
- the above-mentioned object is essentially achieved according to the invention in the case of a balaclava of the type mentioned above in that the edge of the sealing element facing the seam has the shape of a curved section and, in the worn state, the balaclava is at least substantially adapted to the course of the hem.
- the Dichtsaum known from WO 2004/105880 A1 when worn in the static state, although a relatively good tightness.
- it is such that when the head of the wearer moves, there is a relative movement of the mask to the hood.
- the invention begins, in which an elastic sealing element is provided, in particular with elastoplastic properties, which adjoins the hem starting from the hem in the hood hood and due to its elastic or elastoplastic properties in the wearing state flat against the mask body.
- the sealing element as such is on the inside over. In particular, it protrudes beyond the lower sealing surface of the seam, with the result that, when the hem is lifted off the mask body, a separation is nevertheless produced. Dichten the opening point takes place, via the provided behind the seam sealing element.
- the sealing element has a sickle-like shape. It is meant with sickle-shaped or bow-like shape of the peripheral edge of an inwardly curved peripheral edge. It is preferred in this context that the sealing element as such has a sickle shape as a whole, i. on one side with an inwardly curved peripheral edge and on the opposite side with an outwardly curved peripheral edge is provided.
- the thickest region of the sickle shape lies approximately in the middle of the cheek area, based on the wearing state, and thus at the point at which the greatest leaks occur in the relative movement of the mask body to the hem a movement of the user's head occur.
- this widest region of the sickle lies in the central region of the sealing element, relative to the transverse axis.
- the sealing element is preferably mirror-symmetrical with respect to the transverse axis.
- the marginal edge of the sealing element facing the hem is at least substantially adapted to the course of the hem in the wearing state of the balaclava. In the edge facing the seam is then preferably the inwardly curved inside of the sickle in the sickle-like design of the sealing member.
- the curvature of the material of the hood hood is taken into account in several directions in space.
- the edge of the sealing element facing the hem runs at least substantially equidistantly in the carrying state of the balaclava over its entire length Hem.
- the sealing effect of the sealing element is therefore consistently high over its entire length along the seam, since the sealing element does not deviate from the course of the seam towards the edges, so that leaks in the form of gaps due to a defective attachment of the seam occur at these points could result in the mask contour.
- the sealing member facing the hem ie the crescent-shaped peripheral edge, which has the shape of a circular arc portion.
- the radius of the circular arc is preferably between 5 cm and 15 cm, preferably between 7 cm and 12 cm, particularly preferably between 8 cm and 10 cm. Due to the circular arc-shaped course of the marginal edge, in the state of wear of the balaclava an adaptation to the course of the hem is achieved in a very good approximation.
- the edge of the sealing element facing away from the hem has an elliptical arc-shaped course. Together with the sickle shape of the edge facing the seam, the overall result is a convex-concave shape of the sealing element, which is also referred to as an o-ring. This shape is characterized in that in the middle region of the sealing element, the largest part of its total area is available for engagement with the mask body. Preferably, the radii of the outer peripheral edge are smaller than the radius of the inner peripheral edge.
- Typical dimensions of hoods of the type in question and common dimensions and shapes of respirators are usually based on an average human head shape. It is therefore of particular advantage if the sealing element is also oriented in its outer dimensions to this shape. In this case, in particular the average size of the areas with an irregular contour profile of importance to which a smooth seam can create only insufficient.
- Particularly advantageous sealing properties show up in a sealing element with a longitudinal extent between 2 cm and 20 cm, preferably between 5 cm and 15 cm, preferably between 7 cm and 12 cm, particularly preferably between 8 cm and 10 cm.
- the dimension of the sealing element between 1 cm and 12 cm, preferably between 2 cm and 10 cm, preferably see between 3 cm and 7 cm, more preferably between 4 cm and 6 cm, amount.
- the sealing member not have the largest portion of its surface centrally, but closer to the edge, in the longitudinal direction the sealing element seen. This may be the case, for example, if the balaclava is to be sealed against specially shaped respirators. For this purpose it is possible to form the sealing element asymmetrically with respect to its longitudinal direction.
- the protruding sealing member which is provided on the inside of the hood hood, causes the seam to be more tensioned and therefore more pressed against the mask body, which overall improves the sealing effect in a balaclava according to the invention. This was also found in tests.
- the invention provides a reliable, gas-tight interface between the mask and the balaclava or the hood of a CBRN protective suit.
- the invention therefore provides, in a preferred embodiment, for the sealing element to be provided at least in the cheek area of the hood hood, which as a result corresponds at least substantially to the cheek area of the wearer.
- the sealing element In principle, it is possible to provide the sealing element only in the lateral opening region of the visual field opening, and there in particular detecting the cheek area. However, it is also possible for the sealing element to extend from the lateral opening area into the upper and / or lower opening area of the visual field opening. It is understood that it is advantageous to provide sealing elements mirror-symmetrically on opposite sides of the facial field opening. Incidentally, the seal can be realized not only via a single sealing element per side of the visual field opening, but also via two or a plurality of sealing elements.
- the sealing element extends circumferentially around the visual field opening.
- a circumferential seal can be realized via a plurality of sealing elements.
- the sealing element may consist of any material which has an elastic and / or elastoplastic behavior.
- foam loses its restoring force over time.
- foams are often not sufficiently resistant to aging.
- the sealing element is designed as a gel pad.
- the gel pad on a polyurethane gel.
- other gels are suitable.
- a gel pad can be easily prepared by casting, with the gel pad preferably having an outer skin for receiving the gel. Such a skin may be introduced into the appropriate mold prior to casting.
- the gel pad according to the invention preferably has the following properties, which are possible in each case, but also in combination with one another:
- gel cushions having a thickness of between 0.4 and 2 cm, preferably between 0.8 and 1 cm, and more particularly approximately 1, 2 cm.
- the length and / or the maximum width of the sealing element - regardless of the thickness - may vary depending on the design of the hood and / or the mask body. In a preferred embodiment of the invention, the length of the sealing element between 5 to 15 cm, preferably between 7.5 and 1 1, 5 cm and in particular about 9.5 cm.
- the maximum width of the sealing element - regardless of the thickness and length - is preferably between 2 and 6 cm, more preferably between 3 and 5 cm and in particular about 4.2 cm.
- the sealing element is at least partially graded or bevelled at the edge.
- the abovementioned flattening applies in particular in the areas which do not represent the edge of the sealing element facing the hem.
- the sealing element is preferably not flattened, that is to say it is neither stepped nor bevelled. Incidentally, it is advantageous for reasons of sealing if the sealing element adjoins the seam directly or is spaced at a small distance from the seam.
- the distance should be at most about 1 cm.
- the sealing element may be incorporated in the inner lining of the hood and sewn onto the inner lining. In both cases, the sealing element leads to a significant increase in the inner side of the inner lining relative to adjacent inner lining regions, which ultimately results in the planar and sealing contact of the projecting region with the mask body.
- a flexible covering layer is provided on the outer side of the inner lining above the sealing element.
- the cover layer as such is provided in any case in the region of the sealing element for sealing engagement with the mask body. It is particularly preferred that the covering directly adjoins the hem or at a distance of up to 1 cm from the seam is spaced.
- the sewn-on covering layer forms a pocket for receiving the sealing element.
- the covering layer is preferably applied wrinkle-free in the region of the sealing element. Despite the elastic / elastoplastic properties of the sealing element, when the covering layer is in the region of the sealing element, Sewn with wrinkles between the mask body and the cover layer in the region of the sealing element come.
- the cover layer has a filter material which is suitable for receiving contaminants. For example, it makes sense if the filter material of the cover layer contains activated carbon. Since leaks between the seam and the mask body can generally occur at any point, it is preferably the case that the covering layer extends at least substantially circumferentially around the visual field opening. In this way, at least a portion of incoming contaminants can be taken up or filtered.
- the seam is preferably formed as an elastic strip or corduroy.
- the seam on its side facing the mask body underside has a sealing, in particular silicone-containing coating.
- a good sealing effect between the underside of the seam and the mask body occurs. If the seam lifts off the mask body during a movement of the user's head, which can happen, in particular, in the cheek area of the hood body, the sealing element exerts a corresponding sealing effect, which prevents the ingress of contaminants into the interior area of the hood body.
- the invention also relates to a CBRN protective suit with a Balaklava of the aforementioned type and a Balaklava and a CBRN protective suit, each with an associated respirator or gas mask.
- FIG. 1 is a view of a balaclava according to the invention
- FIG. 2 is a side perspective view of the Balaklava of FIG. 1,
- FIG. 4 is a view of a protective suit with a Balaklava
- Fig. 5 is a perspective view of a sealing element according to the invention.
- FIG. 6 is a plan view of the sealing element according to FIG. 5.
- a balaclava 1 is shown, which can be used as such or in combination with a CBRN protective suit 2 shown in Fig. 4.
- the balaclava 1 is part of the CBRN protective suit 2.
- the balaclava 1 is firmly connected to the CBRN protective suit 2 and represents its hood.
- the balaclava 1 can be detachably connected to the CBRN protective suit 2, for example via zipper and / or hook-and-loop fastener connections.
- the Balaklava shown in Fig. 1 is otherwise formed such that it can be opened on the front side via a Velcro connection. With such an opening, the visual field opening 6 is also fully opened.
- the balaclava is closed in its lower region. The Velcro 19 is then not provided.
- Such a balaclava has a lower head opening through which the user's head has to be inserted.
- Balaklava 1 can basically be worn without CBRN protective suit 2.
- the balaclava 1 is intended for use in combination with a respirator or gas mask 3, as shown in particular in FIG.
- the respirator or gas mask 3 has a mask body 4.
- the balaclava 1 has a hood hood 5, which is provided with a visual field opening 6.
- the visual field opening 6 is limited by a seam 7.
- the hem 7 thus represents the outer edge of the hood hood 5 or the transition to the visual field opening 6.
- the seam 7 is formed to rest on the mask body 4, as shown in Fig. 3.
- the visual field opening 6 has an upper opening area 8 and an opposite lower opening area 9. Furthermore, two opposing lateral opening areas 10, 1 1 are provided. Adjacent opening areas merge directly into one another.
- a sealing element 13 is provided on the inner side 12 of the hood 5.
- the sealing element 13 is provided following the seam 7 in the region of the lateral opening area 10, 11.
- the sealing element 13 projects beyond the remaining region of the inner surface of the inner side 12 of the hood hood 5 and also via the seam 7, as can be seen in particular from FIG.
- the sealing element 13 is gas-tight and flat against the mask body 4.
- the sealing element 13 itself consists of an elastic material and preferably has elastoplastic properties. By this is meant that the sealing element 13 adapts to unevenness of the mask body 4 and applies flat and gas-tight to the mask body 4.
- a respective sealing member 13 is provided at each of the two lateral opening portions 10, 1 1, in the central part of the lateral opening portions 10, 1 first This middle part represents the cheek area 14 of the hood hood 5.
- sealing elements 13 could be provided instead of one sealing element 13 per lateral opening area 10, 11. It would also be possible in principle for a sealing element 13 of a lateral opening area 10, 11 or more of these sealing elements to extend into the upper and / or lower opening area 8, 9. Furthermore, this or the sealing elements 13 could also extend circumferentially around the visual field opening 6.
- the sealing member 13 shown in Figs. 5 and 6 is a gel pad having a polyurethane gel. This gel pad is made by casting and has an outer skin.
- the sealing element 13 has a thickness of approximately 1.2 cm with a maximum length L of approximately 9.5 cm and a maximum width B of approximately 4.2 cm. As can be seen from FIGS. 5 and 6, the sealing element 13 has a gradation 15 at the edge, at least in regions. Only the seam 7 facing the peripheral edge 16 of the sealing member 13 is not stepped.
- the sealing element 13 shown in FIGS. 5 and 6 basically has an oval, in particular elliptical shape with a peripheral graduation 15. On the side facing the hem 7 in the wearing state, part of the basically elliptical sealing element 13 is removed by an arcuate cut. This results in the present case a sickle-like shape of the sealing member 13 with a particular arcuate course of the inner peripheral edge 16, which is not stepped here, but is designed as a smooth surface, in this case with a height of about 1, 2 cm.
- the curvature of the edge 7 facing the seam 7 can be defined by a radius which, in the embodiment illustrated in FIGS. 5 and 6, is approximately 9 cm.
- the peripheral edge facing away from the seam 7 has a plurality of sections of different radii, which, however, are each smaller than the radius of curvature of the peripheral edge 16 facing the seam 7.
- the sealing element 13 connects directly to the seam 7.
- the edge 7 of the sealing element 13 facing the seam 7 is at least substantially adapted to the course of the seam 7.
- the sealing element 13 has a sickle-like shape (FIG. 6), which could also be referred to as ear-shaped.
- the sealing member 13 is sewn onto the inner lining 17 of the hood hood 5.
- a flexible covering layer 18 is provided, which is provided on the inner lining 17 above the sealing element 13.
- the cover layer 18 immediately adjoins the seam 7. In the region of the sealing element 13, the covering layer 18 is applied wrinkle-free.
- the cover layer 18 extends in the illustrated embodiment circumferentially around the visual field opening 6.
- the cover layer is an activated carbon-containing filter material.
- the seam 7 itself is designed as an elastic strip, on the underside of which a sealing coating is provided.
- a respirator or gas mask 3 was placed on a test head with head. In the area of the test head as well as on the mask body 4 sensors or transducers were used. Subsequently, the balaclava 1 with sealing elements 13, which were each provided in the cheek area 14 of the two lateral opening areas 10, 1 1, mounted on the test head. Then the test upper body with the mounted Balaklava 1 was placed in a test chamber for 30 minutes. Subsequently, a test gas was introduced into the test chamber and the gas uptake into the hood 5 of the Balaklava 1 was examined via the sensors. In a parallel experiment under identical conditions, a balaclava without sealing elements 13 was used.
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG11201608649VA SG11201608649VA (en) | 2014-04-15 | 2015-03-24 | Balaclava and cbrn protective suit |
EP15713419.8A EP3131643B1 (de) | 2014-04-15 | 2015-03-24 | Balaklava und cbrn-schutzanzug |
AU2015246298A AU2015246298B2 (en) | 2014-04-15 | 2015-03-24 | Balaclava and CBRN protective suit |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014005472 | 2014-04-15 | ||
DE102014005472.1 | 2014-04-15 | ||
DE102014106193.4 | 2014-05-05 | ||
DE102014106193.4A DE102014106193B4 (de) | 2014-04-15 | 2014-05-05 | Balaklava und CBRN-Schutzanzug |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015158504A1 true WO2015158504A1 (de) | 2015-10-22 |
Family
ID=54053916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/056255 WO2015158504A1 (de) | 2014-04-15 | 2015-03-24 | Balaklava und cbrn-schutzanzug |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3131643B1 (de) |
AU (1) | AU2015246298B2 (de) |
DE (2) | DE102014106193B4 (de) |
SG (1) | SG11201608649VA (de) |
WO (1) | WO2015158504A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11806557B2 (en) * | 2018-12-06 | 2023-11-07 | Dupont Safety & Construction, Inc. | Protective garment having improved hood elastomeric interface |
DE102019005971B4 (de) * | 2019-08-24 | 2021-07-01 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Täuschkörper-Testpuppe |
WO2021047789A1 (de) | 2019-09-09 | 2021-03-18 | BLüCHER GMBH | Kopfhaube, insbesondere kapuze oder balaklava, für schutzbekleidung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004105880A1 (de) | 2003-06-02 | 2004-12-09 | BLüCHER GMBH | Kapuze für schutzbekleidung |
DE202004019969U1 (de) * | 2004-12-24 | 2005-02-24 | Texplorer Gmbh | Kapuze zum Schutz gegen chemische und biologische Schadstoffe |
WO2005115550A1 (en) * | 2004-05-27 | 2005-12-08 | Remploy Limited | A face seal for a protective suit |
US20130025589A1 (en) | 2010-02-11 | 2013-01-31 | Avon Polymer Products Limited | Hood assembly for use with a protective suit |
-
2014
- 2014-05-05 DE DE102014106193.4A patent/DE102014106193B4/de active Active
- 2014-05-05 DE DE202014102072.1U patent/DE202014102072U1/de not_active Expired - Lifetime
-
2015
- 2015-03-24 AU AU2015246298A patent/AU2015246298B2/en active Active
- 2015-03-24 EP EP15713419.8A patent/EP3131643B1/de active Active
- 2015-03-24 SG SG11201608649VA patent/SG11201608649VA/en unknown
- 2015-03-24 WO PCT/EP2015/056255 patent/WO2015158504A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004105880A1 (de) | 2003-06-02 | 2004-12-09 | BLüCHER GMBH | Kapuze für schutzbekleidung |
WO2005115550A1 (en) * | 2004-05-27 | 2005-12-08 | Remploy Limited | A face seal for a protective suit |
DE202004019969U1 (de) * | 2004-12-24 | 2005-02-24 | Texplorer Gmbh | Kapuze zum Schutz gegen chemische und biologische Schadstoffe |
US20130025589A1 (en) | 2010-02-11 | 2013-01-31 | Avon Polymer Products Limited | Hood assembly for use with a protective suit |
Also Published As
Publication number | Publication date |
---|---|
EP3131643B1 (de) | 2018-02-28 |
EP3131643A1 (de) | 2017-02-22 |
DE102014106193A1 (de) | 2015-10-15 |
DE202014102072U1 (de) | 2015-08-13 |
SG11201608649VA (en) | 2016-12-29 |
AU2015246298B2 (en) | 2019-01-24 |
DE102014106193B4 (de) | 2020-07-16 |
AU2015246298A1 (en) | 2016-10-20 |
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