EP2835153B1 - Smoke or fire protection device - Google Patents
Smoke or fire protection device Download PDFInfo
- Publication number
- EP2835153B1 EP2835153B1 EP14002433.2A EP14002433A EP2835153B1 EP 2835153 B1 EP2835153 B1 EP 2835153B1 EP 14002433 A EP14002433 A EP 14002433A EP 2835153 B1 EP2835153 B1 EP 2835153B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fire protection
- sliding element
- smoke
- seam
- protection device
- 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.)
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Links
- 239000000779 smoke Substances 0.000 title claims description 35
- 238000004804 winding Methods 0.000 claims description 46
- 239000004753 textile Substances 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 13
- -1 polytetrafluorethylene Polymers 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 10
- 230000037303 wrinkles Effects 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000006850 spacer group Chemical class 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/10—Fire-proof curtains
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
Definitions
- the invention relates to a smoke or fire protection device according to the preamble of claim 1.
- Smoke or fire protection devices must often be designed so that they do not wear out excessively, even with frequent opening and closing.
- the winding shaft bends, which leads to tensions in the protective element during unwinding.
- the rollers are fixed relative to the housing so that they rotate when the winding is rotated and the flexible protective element unwinds or winds up. This has the advantage that the winding is supported in its full longitudinal extent of the rollers, so that the winding shaft must be stored only at their sides and yet no excessive deflection of the winding shaft is to get.
- a disadvantage of this solution is the mechanical stress of the fire protection element when winding and unwinding.
- a fire curtain is known in which the seams are covered with strip-shaped elastic elements. In this way, the friction load of the fire protection element is kept small in the seam area.
- a disadvantage of such a fire curtain are the stresses occurring in the fire protection fabric, which lead to wear.
- the invention has for its object to extend the life of smoke or fire protection devices.
- the invention solves the problem by a smoke or fire protection device having the features of claim 1.
- the sliding element is arranged so that its thickness is not added to the seam thickness of the fire protection element in the seam area, but only to the thickness of the fire protection textile Thickness of the fire protection element outside the seam area.
- the invention is based on the finding that the flex load of the fire protection element significantly influences its wear.
- the flex load is highest where wrinkles occur. Due to inevitable manufacturing defects, the fire protection element may have wrinkles. If the fire protection element is constructed of webs sewn together, there are hardly any folds in the seam area, but wrinkles form between the seams, since the fire protection element is thicker in the seam area than outside. The fire protection element is therefore at least in the seam area.
- the seam wears, since the layers of fire protection fabric sewn together slightly move against each other during unwinding and rub against each other. In floating fire protection elements, ie those in which the winding rests on the bearing assembly, therefore, the seams are made particularly stable.
- the flexible sliding element increases the thickness of the material to be wound, because the sliding element thickness of the sliding element adds to the protective element thickness of the protective element without the sliding element and outside the seam area. So be
- the fire protection element can very often be returned from the protection arrangement to the bearing arrangement without being worn.
- the smoke or fire protection device according to the invention usually reaches 10,000 or more closing cycles.
- the advantage of the smoke or fire protection device according to the invention is therefore the high wear resistance with frequent opening and closing. This makes them interesting, for example, for stages, such as theaters or opera stages, because a test run has to be performed there before every performance.
- Another advantage is that the increased life is achieved with technically simple means. So existing smoke or fire curtains can be easily retrofitted, if an increased fatigue strength is required.
- the smoke or fire protection device has a winding shaft on which the fire protection element is wound in its bearing arrangement, so that the winding results.
- the winding has only one winding core, which may be formed for example by not unwound fire protection element.
- the winding is at least mounted on rollers which are drivable. Alternatively, the rollers can be driven and the winding shaft be rotatable by means of a winding shaft motor.
- a winding shaft is present, it is favorable if the winding and unwinding of the fire protection element from the winding shaft by driving the winding shaft by means of a winding shaft motor.
- the fire protection element is understood to be a planar element which is fire-retardant.
- the fire protection textile may comprise, for example, a knitted fabric, a woven fabric and / or a scrim. It is also possible that the fire protection element next to the textile has other components, such as endothermic active material that reacts physically or chemically when exposed to heat while absorbing heat.
- the fire protection element may also contain stiffening elements, such as stiffening slats.
- the smoke or fire protection device is a fire protection curtain, a smoke skirt or a conveyor system termination.
- a smoke damper is not usually arranged in front of an opening, but is very suitable for closing an opening.
- the device Under the recording, the device is understood, which receives the weight of the coil to initiate them, for example, in a building. In other words, the recording brings the bearing force on the fire protection element, so that this is held in place.
- the receptacle may for example have rollers, so that the fire protection element on the rollers which are rotatably mounted, runs when it is brought from the bearing assembly in the protective arrangement or vice versa. It is possible, but not necessary, that all or part of these roles are drivable.
- the receptacle may also include a belt bearing, so that the winding is mounted on a, possibly driven by a motor belt.
- the sliding element Under the sliding element is understood an element that on the fire protection element at least to a certain extent can slip off. It is possible that the sliding element is attached only at one or at two of its ends relative to the fire protection element. However, it is conceivable that the sliding element is attached so loosely to the fire protection element, that it is still displaced to the fire protection element.
- the sliding element can be fastened by means of a tacking seam on the fire protection element.
- a stitching seam is understood here to be a seam which roughly fixes the sliding element to the fire protection element, but allows both elements to be displaced relative to one another.
- the sliding element is a polytetrafluoroethylene-containing fire protection textile.
- a sliding element is flexible, stable and has good sliding properties.
- the fire protection textile is constructed of threads that consist partially or completely of polytetrafluoroethylene.
- polytetrafluoroethylene-containing and polytetrafluoroethylene-free threads together form a woven or knitted fabric, in particular a knitted fabric.
- the fire protection textile of the sliding element has threads which have a core of glass or metal and are coated, surrounded or encased with polytetrafluoroethylene.
- the sliding member is slidably mounted or arranged relative to the fire protection element, that this path difference can be compensated and that between the fire protection element and sliding element during winding and unwinding no shear forces are transmitted, which would lead to wrinkles. This prevents wrinkles in the fire protection element and / or the sliding element, which increases the life.
- the flexible sliding element is arranged so that a bearing force which exerts the receptacle on the fire protection element is transmitted via the sliding element to the fire protection element, in particular the fire protection textile.
- the sliding element lies directly on the receptacle, whereas the fire protection element at least predominantly rests on the sliding element.
- the fire protection element does not come into contact with the receptacle, because the sliding element is arranged in the region of the receptacle between the fire protection element and the receptacle. It could be said in this case that the sliding element is wound outside. However, it is also conceivable in principle that the sliding element is wound inside. In this case, the sliding element mainly serves as a spacer, which increases the distance between individual winding layers of the fire protection element in order to avoid wrinkles.
- an advantage of an externally wound sliding element is that the frictional wear of the fire protection element is reduced.
- the receptacle is a roller receptacle having at least one roller, wherein the sliding element is arranged so that it runs on the at least one roller.
- the fire protection element is protected against direct contact with the recording, which minimizes wear.
- roller receptacles it is favorable, but not necessary, for one, two or more roller receptacles to be present. It is also possible, but not necessary, for at least one of the available roller receptacles to be connected to a motor, in particular the majority of the rollers. so that the rollers can be driven by means of the motor or motors.
- the receptacle comprises a trough in which the reel is stored in a floating manner.
- the winding rests with its lateral surface on the trough surface.
- the sliding element causes the winding at the height along the winding on which the sliding element is arranged to have at least the same thickness as at the height of the seam.
- the sliding element lies between the tub and the fire protection element.
- the smoke or fire protection device may comprise a winding shaft motor, which is designed for automatically driving a winding shaft, so that a torque applied via the winding shaft, the fire protection element can be wound up and unwound.
- the slider When the slider is arranged to wrap around the outside, it has to travel a larger distance when winding than the internal fire-protection element. It is therefore also in the field of recording to a small relative movement between the sliding element and the fire protection element. It is advantageous if the rollers are driven, since such a drive facilitates the relative movement.
- the seam extends at least substantially perpendicular to the winding shaft. This is understood in particular to mean that it is possible, but not necessary, for the seam to run vertically in a strictly mathematical sense. Deviations of, for example, 10 ° are possible and harmless.
- the slider has a slider width that is less than a seam distance between two adjacent seams.
- the slider width is less than a quarter of the seam spacing. It is possible, but not necessary, for multiple sutures to be present. If there are several seams, it is advantageous, although not necessary, that they are arranged equidistantly.
- the seam distance in the presence of a plurality of seams refers to the distance between the seams arranged adjacent to the respective sliding element,
- the sliding element is made, at least on its side facing the fire protection element, from a material which has a static friction coefficient of at most 0.3 and / or a sliding friction coefficient of at most 0.15 relative to the fire protection element. This allows a low power transmission to the fire protection element during winding and unwinding.
- the sliding element comprises polytetrafluoroethylene at least on its side facing the fire protection element.
- Polytetrafluoroethylene which is marketed under the Teflon brand, is nonflammable and has a low coefficient of adhesion and friction with most materials.
- the sliding element has a film of polytetrafluoroethylene and / or a textile structure of polytetrafluoroethylene.
- Polytetrafluoroethylene has a relatively high flexural strength, so that thick objects are usually less flexible.
- the sliding element comprises a fiber material and / or a fiber-reinforced material, for example a glass fiber-reinforced plastic or a glass fiber fabric. Glass fibers have a high tensile strength and are also incombustible. It is particularly favorable if the sliding element has a glass fiber textile coated with polytetrafluoroethylene.
- the slider has, for example, aramid fibers, it is disadvantageous that they can melt in case of fire, which is undesirable.
- the sliding element has a sliding element thickness and a sum of sliding element thickness and a fire protection textile thickness of the fire protection textile beyond a seam corresponds at least to a seam thickness of the fire protection textile in the region of the seam.
- the sliding element thickness is so large that the winding in the region of the seam has no larger diameter than in the region in which the sliding element is arranged. In this way it is ensured that in the region in which the sliding element is arranged, no wrinkles can form, so that the wear is low.
- the sliding element is strip-shaped, that is to say that it is at least five times as long as it is wide in the direction in which it extends along a seam, that is to say perpendicular to this direction of extent. This reduces manufacturing costs and reduces the weight of the smoke or fire protection device.
- the smoke or fire protection device has a skirting board, which rests, for example, on the ground when the fire protection element is in its protective arrangement.
- the sliding element is resiliently connected to the baseboard.
- a biasing device is disposed between the slider and the baseboard. When unwinding, the slider is held taut by the pretensioner.
- FIG. 1 shows a smoke or fire protection device 10 for closing a schematically drawn opening 12 in a building 14.
- the smoke or fire protection device 10 comprises a fire protection element 16, which comprises a first textile web 18, a second textile web 20 and a third textile web 22. Two adjacent textile webs are sewn together. Thus, the first textile web 18 is connected to the second textile web 20 in a first seam 24, the second textile web 20 to the third textile web 22 in a second seam 26.
- FIG. 1 the fire protection element 16 is shown in its protective arrangement, in which the opening 12 is closed.
- the smoke or fire protection device 10 in the present case has a winding shaft 28 which is rotatably motorized by means of a schematically drawn winding shaft motor 30 which is arranged in the winding shaft 28.
- FIG. 1 also shows schematically a receptacle 32 having a first roller 34.1 and a second roller 34.2.
- the rollers 34.1, 34.2 are rotatably mounted and have a bearing surface A.
- the bearing surface A is that surface of the rollers 34.1, 34.2, in which they have contact with the fire protection element 16 or as in the present case with a flexible sliding element 36.
- the sliding member 36 may, as shown in the small drawing top right, comprise a strip 38 of glass fiber fabric and a sheath 40 of polytetrafluoroethylene.
- the sliding element 36 is arranged between the second seam 26 and the closest, in the present case left, second edge 42 of the fire protection element 16 and rests on this.
- the smoke or fire protection device 10 further comprises a second sliding member 44 disposed between the first seam 24 and the second seam 26, and a third sliding member 46 disposed between the first seam 24 and the closest, in this case right, first edge 48 of the fire protection element 16 is arranged.
- the sliding elements 36, 44, 46 are arranged with respect to a position along the coil at the same height x as the rollers on which run the sliding elements.
- the second sliding element 44 runs on the rollers 34.3 and 34.4, the third sliding element 46 on the rollers 34.5 and 34.6.
- the smoke or fire protection device has in its foot a foot strip 50 to which the fire protection element 16 is attached.
- the sliding elements 36, 44, 46 are resiliently connected to the baseboard 50.
- the sliding elements 36, 44, 46 by means of spring elements 52.1, 52.2, 52.3 attached to the baseboard 50.
- the spring elements may for example be formed from thin rubber bands.
- the spring elements may also comprise metal springs, for example coil springs.
- FIG. 2 shows that the sliding member 36 is arranged on the outside of the fire protection element 16 winding.
- the sliding element 36 rests on the rollers 34.1, 34.2.
- the fire protection element 16 does not come or only in slight contact with the rollers 34.1, 34.2.
- the rollers 34.1, 34.2 exert a bearing force F on the fire protection element via the sliding element 36.
- FIG. 3 schematically shows a cross section through a wound fire protection element 16, which forms a winding 54.
- the sliding element 36 between the support surface A of the roller 34 and the fire protection element 16 is arranged.
- a sliding element thickness D G is selected such that it has, together with a fire protection textile thickness D B, at least one seam thickness D N of the fire protection element 16 in the region of the seam 26.
- the throat thickness could also be called seam area thickness.
- the diameter of the roll D which depends on a position x along a longitudinal extent L, which depends on the longitudinal axis of the roll 54 and in this case also of the winding shaft 28, is therefore at least as large in the region of the sliding element 36 as in the region of the seam 26 There is therefore no fold effect in the area of the sliding element.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Catching Or Destruction (AREA)
Description
Die Erfindung betrifft eine Rauch- oder Brandschutzvorrichtung gemäß dem Oberbegriff von Anspruch 1.The invention relates to a smoke or fire protection device according to the preamble of claim 1.
Rauch- oder Brandschutzvorrichtungen müssen häufig so ausgelegt werden, dass sie auch bei häufigem Öffnen und Schließen nicht Übermäßig verschleißen. Bei breiten Rauch- oder Brandschutzvorrichtungen besteht das Problem, dass sich die Wickelwelle durchbiegt, was beim Abwickeln zu Spannungen im Schutzelement führt. Es ist aus der
Aus der
Aus der nachveröffentlichten
Aus der
Der Erfindung liegt die Aufgabe zugrunde, die Lebensdauer von Rauch- oder Brandschutzvorrichtungen zu verlängern.From the
The invention has for its object to extend the life of smoke or fire protection devices.
Die Erfindung löst das Problem durch eine Rauch- oder Brandschutzvorrichtung mit den Merkmalen von Anspruch 1. In anderen Worten ist das Gleitelement so angeordnet, dass sich seine Dicke nicht zu der Naht-Dicke des Brandschutzelements im Nahtbereich addiert, sondern nur zu der Dicke der Brandschutztextil-Dicke des Brandschutzelements außerhalb des Nahtbereichs.The invention solves the problem by a smoke or fire protection device having the features of claim 1. In other words, the sliding element is arranged so that its thickness is not added to the seam thickness of the fire protection element in the seam area, but only to the thickness of the fire protection textile Thickness of the fire protection element outside the seam area.
Der Erfindung liegt die Erkenntnis zugrunde, dass die Walkbelastung des Brandschutzelements maßgeblich dessen Verschleiß beeinflusst. Die Walkbelastung ist dort am höchsten, wo Falten auftreten. Aufgrund von unvermeidlichen Fertigungsfehlern kann das Brandschutzelement Falten haben. Wenn das Brandschutzelement aus miteinander vernähten Bahnen aufgebaut ist, liegen im Nahtbereich kaum Falten vor, zwischen den Nähten bilden sich jedoch Falten aus, da das Brandschutzelement im Nahtbereich dicker ist als außerhalb davon. Das Brandschutzelement liegt daher zumindest auch im Nahtbereich auf.The invention is based on the finding that the flex load of the fire protection element significantly influences its wear. The flex load is highest where wrinkles occur. Due to inevitable manufacturing defects, the fire protection element may have wrinkles. If the fire protection element is constructed of webs sewn together, there are hardly any folds in the seam area, but wrinkles form between the seams, since the fire protection element is thicker in the seam area than outside. The fire protection element is therefore at least in the seam area.
Wird das Brandschutzelement im Nahtbereich gelagert, verschleißt die Naht, da die miteinander vernähten Lagen aus Brandschutztextil sich beim Abwickeln leicht gegeneinander verschieben und aneinander reiben. Bei schwimmend gelagerten Brandschutzelementen, also solchen, bei denen der Wickel auf der Lageranordnung aufliegt, werden daher die Nähte besonders stabil ausgeführt.If the fire protection element is stored in the seam area, the seam wears, since the layers of fire protection fabric sewn together slightly move against each other during unwinding and rub against each other. In floating fire protection elements, ie those in which the winding rests on the bearing assembly, therefore, the seams are made particularly stable.
Durch das flexible Gleitelement erhöht sich die Dicke des zu wickelnden Materials, da die Gleitelement-Dicke des Gleitelements sich zu der Schutzelement-Dicke des Schutzelements ohne das Gleitelement und außerhalb des Nahtbereichs addiert. So werdenThe flexible sliding element increases the thickness of the material to be wound, because the sliding element thickness of the sliding element adds to the protective element thickness of the protective element without the sliding element and outside the seam area. So be
Falten zwischen den Nähten vermieden,Wrinkles between the seams are avoided
Das macht es möglich, das Brandschutzelement zwischen den Nähten zu lagern, beispielsweise auf Rollen oder auf einer Auflagefläche, beispielsweise in einer Wanne. Auf diese Weise werden die Nähte vor Verschleiß geschützt. Dadurch, dass das flexible Gleitelement relativ zum Brandschutzelement verschieblich ist, wird eine Belastung des Brandschutzelements durch das Gleitelement vermieden. Das resultiert in einer hohen Wechselfestigkeit des Brandschutzelements.This makes it possible to store the fire protection element between the seams, for example on rollers or on a support surface, for example in a tub. In this way, the seams are protected from wear. The fact that the flexible sliding element is displaceable relative to the fire protection element, a load of the fire protection element is avoided by the sliding element. This results in a high resistance to change of the fire protection element.
In anderen Worten kann das Brandschutzelement sehr oft von der Schutzanordnung in die Lageranordnung zurückgebracht werden, ohne dass es verschleißt. Die erfindungsgemäße Rauch- oder Brandschutzvorrichtung erreicht in der Regel 10 000 oder mehr Schließzyklen. Vorteilhaft an der erfindungsgemäßen Rauch- oder Brandschutzvorrichtung ist daher die hohe Verschleißfestigkeit bei häufigem Öffnen und Schließen. Das macht sie beispielsweise für Bühnen, beispielsweise Theater- oder Opernbühnen, interessant, da dort vor jeder Aufführung ein Testlauf durchgeführt werden muss.In other words, the fire protection element can very often be returned from the protection arrangement to the bearing arrangement without being worn. The smoke or fire protection device according to the invention usually reaches 10,000 or more closing cycles. The advantage of the smoke or fire protection device according to the invention is therefore the high wear resistance with frequent opening and closing. This makes them interesting, for example, for stages, such as theaters or opera stages, because a test run has to be performed there before every performance.
Ein weiterer Vorteil ist, dass die erhöhte Lebensdauer mit technisch einfachen Mittel erreichbar ist. So können auch bestehende Rauch- oder Brandschutzvorhänge einfach nachgerüstet werden, sofern eine erhöhte Dauerfestigkeit erforderlich ist.Another advantage is that the increased life is achieved with technically simple means. So existing smoke or fire curtains can be easily retrofitted, if an increased fatigue strength is required.
Vorteilhaft ist zudem, dass auch breite Rauch- oder Brandschutzvorrichtungen mit hoher Dauerfestigkeit gefertigt werden können. Bisher wurde eine hohe Dauerfestigkeit durch beidseits gelagerte Wickelwellen erreicht. Wegen der resultierenden Durchbiegung ist die maximale Spannweite der Wickelwelle jedoch nach oben begrenzt.Another advantage is that even wide smoke or fire protection devices with high fatigue strength can be made. So far, a high fatigue strength was achieved by both sides mounted winding shafts. Because of the resulting deflection, however, the maximum span of the winding shaft is limited upwards.
Es ist günstig, wenn die Rauch- oder Brandschutzvorrichtung eine Wickelwelle aufweist, auf der das Brandschutzelement in seiner Lageranordnung aufgewickelt ist, so dass sich der Wickel ergibt. Es ist grundsätzlich aber auch möglich, dass der Wickel lediglich einen Wickelkern aufweist, der beispielsweise durch nicht abgewickeltes Brandschutzelement gebildet sein kann. Es ist es günstig, wenn der Wickel zumindest auch auf Rollen gelagert ist, die antreibbar sind. Alternativ können die Rollen unangetrieben und die Wickelwelle mittels eines Wickelwellenmotors drehbar sein.It is advantageous if the smoke or fire protection device has a winding shaft on which the fire protection element is wound in its bearing arrangement, so that the winding results. But it is also possible in principle that the winding has only one winding core, which may be formed for example by not unwound fire protection element. It is advantageous if the winding is at least mounted on rollers which are drivable. Alternatively, the rollers can be driven and the winding shaft be rotatable by means of a winding shaft motor.
Wenn eine Wickelwelle vorhanden ist, ist es günstig, wenn das Auf- und oder Abwickeln des Brandschutzelements von der Wickelwelle durch Antreiben der Wickelwelle mittels eines Wickelwellenmotors erfolgt.If a winding shaft is present, it is favorable if the winding and unwinding of the fire protection element from the winding shaft by driving the winding shaft by means of a winding shaft motor.
Im Rahmen der vorliegenden Beschreibung wird unter dem Brandschutzelement ein flächiges Element verstanden, das feuerhemmend ist. Das Brandschutztextil kann beispielsweise ein Gewirk, ein Gewebe und/oder ein Gelege umfassen. Es ist zudem möglich, dass das Brandschutzelement neben dem Textil weitere Komponenten besitzt, beispielsweise endotherm wirksames Material, das bei Hitzeeinwirkung unter Wärmeaufnahme physikalisch oder chemisch reagiert. Das Brandschutzelement kann auch Versteifungselemente enthalten, beispielsweise Versteifungslatten.In the context of the present description, the fire protection element is understood to be a planar element which is fire-retardant. The fire protection textile may comprise, for example, a knitted fabric, a woven fabric and / or a scrim. It is also possible that the fire protection element next to the textile has other components, such as endothermic active material that reacts physically or chemically when exposed to heat while absorbing heat. The fire protection element may also contain stiffening elements, such as stiffening slats.
Beispielsweise handelt es sich bei der Rauch- oder Brandschutzvorrichtung um einen Brandschutzvorhang, eine Rauchschürze oder einen Förderanlagenabschluss. Es sei darauf hingewiesen, dass eine Rauchschürze zwar in der Regel nicht vor einer Öffnung angeordnet ist, sehr wohl aber zum Verschließen einer Öffnung geeignet ist.For example, the smoke or fire protection device is a fire protection curtain, a smoke skirt or a conveyor system termination. It should be noted that a smoke damper is not usually arranged in front of an opening, but is very suitable for closing an opening.
Unter der Aufnahme wird die Vorrichtung verstanden, die die Gewichtskraft des Wickels aufnimmt, um sie beispielsweise in ein Gebäude einzuleiten. In anderen Worten bringt die Aufnahme die Auflagerkraft auf das Brandschutzelement auf, so dass dieses am Platz gehalten wird.Under the recording, the device is understood, which receives the weight of the coil to initiate them, for example, in a building. In other words, the recording brings the bearing force on the fire protection element, so that this is held in place.
Die Aufnahme kann beispielsweise Rollen aufweisen, so dass das Brandschutzelement auf den Rollen, die drehbar gelagert sind, abläuft, wenn es von der Lageranordnung in die Schutzanordnung oder umgekehrt gebracht wird. Es ist möglich, nicht aber notwendig, dass alle oder ein Teil dieser Rollen antreibbar sind. Die Aufnahme kann auch eine Gurtlagerung umfassen, so dass der Wickel auf einem, gegebenenfalls von einem Motor antreibbaren, Gurt gelagert ist.The receptacle may for example have rollers, so that the fire protection element on the rollers which are rotatably mounted, runs when it is brought from the bearing assembly in the protective arrangement or vice versa. It is possible, but not necessary, that all or part of these roles are drivable. The receptacle may also include a belt bearing, so that the winding is mounted on a, possibly driven by a motor belt.
Unter dem Gleitelement wird ein Element verstanden, das am Brandschutzelement zumindest in gewissem Umfang abgleiten kann. Es ist möglich, dass das Gleitelement nur an einem oder an zweien seiner Enden relativ zum Brandschutzelement befestigt ist. Es ist jedoch denkbar, dass das Gleitelement so lose am Brandschutzelement befestigt ist, dass es weiterhin zum Brandschutzelement verschieblich ist. Beispielsweise kann das Gleitelement mittels einer Heftnaht am Brandschutzelement befestigt sein. Unter einer Heftnaht wird dabei eine Naht verstanden, die das Gleitelement grob am Brandschutzelement fixiert, die Verschiebung beider Elemente zueinander aber zulässt.Under the sliding element is understood an element that on the fire protection element at least to a certain extent can slip off. It is possible that the sliding element is attached only at one or at two of its ends relative to the fire protection element. However, it is conceivable that the sliding element is attached so loosely to the fire protection element, that it is still displaced to the fire protection element. For example, the sliding element can be fastened by means of a tacking seam on the fire protection element. A stitching seam is understood here to be a seam which roughly fixes the sliding element to the fire protection element, but allows both elements to be displaced relative to one another.
Vorzugsweise ist das Gleitelement ein Polytetrafluorethylen enthaltendes Brandschutztextil ist. Ein solches Gleitelement ist flexibel, stabil und hat gute Gleiteigenschaften. Beispielsweise ist das Brandschutztextil aus Fäden aufgebaut ist, die teilweise oder vollständig aus Polytetrafluorethylen bestehen. Insbesondere bilden polytetrafluorethylenhaltige und polytetrafluorethylenfreie Fäden gemeinsam ein Gewebe oder Maschenware, insbesondere ein Gewirk. Alternativ oder zusätzlich besitzt das Brandschutztextil des Gleitelements Fäden, die eine Seele aus Glas oder Metall haben und mit Polytetrafluorethylen beschichtet, umgeben oder umhüllt sind.Preferably, the sliding element is a polytetrafluoroethylene-containing fire protection textile. Such a sliding element is flexible, stable and has good sliding properties. For example, the fire protection textile is constructed of threads that consist partially or completely of polytetrafluoroethylene. In particular, polytetrafluoroethylene-containing and polytetrafluoroethylene-free threads together form a woven or knitted fabric, in particular a knitted fabric. Alternatively or additionally, the fire protection textile of the sliding element has threads which have a core of glass or metal and are coated, surrounded or encased with polytetrafluoroethylene.
Beim Aufwickeln von Brandschutzelement und Gleitelement muss das Element, was beim Wickeln außen liegt, einen größeren Weg zurücklegen. Vorzugsweise ist das Gleitelement so relativ zum Brandschutzelement verschieblich befestigt oder angeordnet, dass diese Wegdifferenz ausgeglichen werden kann und dass zwischen Brandschutzelement und Gleitelement beim Auf- und Abwickeln keine Scherkräfte übertragen werden, die zu Falten führen würden. Das verhindert Falten beim Brandschutzelement und/oder beim Gleitelement, was die Lebensdauer erhöht.When winding up the fire protection element and the sliding element, the element has to travel a long way when lying on the outside. Preferably, the sliding member is slidably mounted or arranged relative to the fire protection element, that this path difference can be compensated and that between the fire protection element and sliding element during winding and unwinding no shear forces are transmitted, which would lead to wrinkles. This prevents wrinkles in the fire protection element and / or the sliding element, which increases the life.
Gemäß einer bevorzugten Ausführungsform ist das flexible Gleitelement so angeordnet, dass eine Auflagerkraft, die die Aufnahme auf das Brandschutzelement ausübt, über das Gleitelement auf das Brandschutzelement, insbesondere das Brandschutztextil, übertragen wird. In anderen Worten liegt das Gleitelement direkt auf der Aufnahme auf, wohingegen das Brandschutzelement zumindest überwiegend auf dem Gleitelement aufliegt.According to a preferred embodiment, the flexible sliding element is arranged so that a bearing force which exerts the receptacle on the fire protection element is transmitted via the sliding element to the fire protection element, in particular the fire protection textile. In other words, the sliding element lies directly on the receptacle, whereas the fire protection element at least predominantly rests on the sliding element.
Im Idealfall kommt das Brandschutzelement nicht in Kontakt mit der Aufnahme, weil das Gleitelement im Bereich der Aufnahme zwischen dem Brandschutzelement und der Aufnahme angeordnet ist. Es könnte in diesem Fall gesagt werden, dass das Gleitelement außen gewickelt wird. Es ist jedoch grundsätzlich auch denkbar, dass das Gleitelement innen gewickelt wird. In diesem Fall dient das Gleitelement überwiegend als Abstandshalter, der den Abstand zwischen einzelnen Wickellagen des Brandschutzelements erhöht, um Falten zu vermeiden. Vorteilhaft an einem außen gewickelten Gleitelement ist jedoch, dass der Reibverschleiß des Brandschutzelements vermindert wird.Ideally, the fire protection element does not come into contact with the receptacle, because the sliding element is arranged in the region of the receptacle between the fire protection element and the receptacle. It could be said in this case that the sliding element is wound outside. However, it is also conceivable in principle that the sliding element is wound inside. In this case, the sliding element mainly serves as a spacer, which increases the distance between individual winding layers of the fire protection element in order to avoid wrinkles. However, an advantage of an externally wound sliding element is that the frictional wear of the fire protection element is reduced.
Vorzugsweise ist die Aufnahme eine Rollen-Aufnahme, die zumindest eine Rolle aufweist, wobei das Gleitelement so angeordnet ist, dass es auf der zumindest einen Rolle abläuft. Auf diese Weise ist das Brandschutzelement gegen den direkten Kontakt mit der Aufnahme geschützt, was den Verschleiß minimiert.Preferably, the receptacle is a roller receptacle having at least one roller, wherein the sliding element is arranged so that it runs on the at least one roller. In this way, the fire protection element is protected against direct contact with the recording, which minimizes wear.
Es ist günstig, nicht aber notwendig, dass eine, zwei oder mehrere Rollen-Aufnahmen vorhanden sind, Es ist zudem möglich, nicht aber notwendig, dass von vorhandenen Rollen-Aufnahmen zumindest eine, insbesondere die Mehrzahl, der Rollen mit einem Motor verbunden ist, so dass die Rollen mittels des Motors oder der Motoren antreibbar ist bzw. sind.It is favorable, but not necessary, for one, two or more roller receptacles to be present. It is also possible, but not necessary, for at least one of the available roller receptacles to be connected to a motor, in particular the majority of the rollers. so that the rollers can be driven by means of the motor or motors.
Alternativ umfasst die Aufnahme eine Wanne, in der der Wickel schwimmend gelagert ist. Unter dem Merkmal, dass der Wickel schwimmend gelagert ist, wird verstanden, dass der Wickel mit seiner Mantelfläche auf der Wannenoberfläche aufliegt. Beim Auf- und Abwickeln ergibt sich eine temporäre Drehachse, die auf der Mantelfläche liegt. In diesem Fall bewirkt das Gleitelement, dass der Wickel auf der Höhe entlang des Wickels, an der das Gleitelement angeordnet ist, zumindest die gleiche Dicke hat wie auf Höhe der Naht. Auf Höhe des Gleitelements liegt das Gleitelement zwischen der Wanne und dem Brandschutzelement.Alternatively, the receptacle comprises a trough in which the reel is stored in a floating manner. Under the feature that the winding is mounted floating, it is understood that the winding rests with its lateral surface on the trough surface. When winding and unwinding results in a temporary axis of rotation, which lies on the lateral surface. In this case, the sliding element causes the winding at the height along the winding on which the sliding element is arranged to have at least the same thickness as at the height of the seam. At the height of the sliding element, the sliding element lies between the tub and the fire protection element.
Alternativ oder zusätzlich kann die Rauch- oder Brandschutzvorrichtung einen Wickelwellenmotor aufweisen, der ausgebildet ist zum automatischen Antreiben einer Wickelwelle, so dass ein über die Wickelwelle aufgebrachtes Drehmoment das Brandschutzelement auf- und abgewickelt werden kann.Alternatively or additionally, the smoke or fire protection device may comprise a winding shaft motor, which is designed for automatically driving a winding shaft, so that a torque applied via the winding shaft, the fire protection element can be wound up and unwound.
Wenn das Gleitelement außen wickelnd angeordnet ist, muss es beim Aufwickeln einen größeren Weg zurücklegen als das innen wickelnde Brandschutzelement. Es kommt daher auch im Bereich der Aufnahme zu einer kleinen Relativbewegung zwischen dem Gleitelement und dem Brandschutzelement. Es ist günstig, wenn die Rollen angetrieben sind, da ein derartiger Antrieb die Relativbewegung erleichtert.When the slider is arranged to wrap around the outside, it has to travel a larger distance when winding than the internal fire-protection element. It is therefore also in the field of recording to a small relative movement between the sliding element and the fire protection element. It is advantageous if the rollers are driven, since such a drive facilitates the relative movement.
Günstig ist es, wenn die Naht zumindest im Wesentlichen senkrecht zur Wickelwelle verläuft. Hierunter wird insbesondere verstanden, dass es zwar möglich, nicht aber notwendig ist, dass die Naht im streng mathematischen Sinne senkrecht verläuft. Abweichungen von beispielsweise 10° sind möglich und unschädlich.It is favorable if the seam extends at least substantially perpendicular to the winding shaft. This is understood in particular to mean that it is possible, but not necessary, for the seam to run vertically in a strictly mathematical sense. Deviations of, for example, 10 ° are possible and harmless.
Vorzugsweise hat das Gleitelement eine Gleitelement-Breite, die kleiner ist als ein Nahtabstand zwischen zwei benachbarten Nähten. Insbesondere ist die Gleitelement-Breite kleiner als ein Viertel des Naht-Abstands. Es ist möglich, nicht aber notwendig, dass mehrere Nähte vorhanden sind. Sind mehrere Nähte vorhanden, ist es vorteilhaft, wenngleich nicht notwendig, dass diese äquidistant angeordnet sind. Der Naht-Abstand bezieht sich bei Vorhandensein von mehreren Nähten auf den Abstand zwischen den benachbart zum jeweiligen Gleitelement angeordneten Nähten,Preferably, the slider has a slider width that is less than a seam distance between two adjacent seams. In particular, the slider width is less than a quarter of the seam spacing. It is possible, but not necessary, for multiple sutures to be present. If there are several seams, it is advantageous, although not necessary, that they are arranged equidistantly. The seam distance in the presence of a plurality of seams refers to the distance between the seams arranged adjacent to the respective sliding element,
Gemäß einer bevorzugten Ausführungsform ist das Gleitelement zumindest an seiner dem Brandschutzelement zugewandten Seite aus einem Material gefertigt, das relativ zum Brandschutzelement einen Haftreibungskoeffizienten von höchstens 0,3 und/oder einen Gleitreibungskoeffizienten von höchstens 0,15 hat. Das ermöglicht eine geringe Kraftübertragung auf das Brandschutzelement beim Auf- und Abwickeln.According to a preferred embodiment, the sliding element is made, at least on its side facing the fire protection element, from a material which has a static friction coefficient of at most 0.3 and / or a sliding friction coefficient of at most 0.15 relative to the fire protection element. This allows a low power transmission to the fire protection element during winding and unwinding.
Besonders günstig ist es, wenn das Gleitelement zumindest an seiner dem Brandschutzelement zugewandten Seite Polytetrafluorethylen umfasst. Polytetrafluorethylen, das unter der Marke Teflon vermarktet wird, ist nicht brennbar und besitzt einen geringen Haft- und Reibkoeffizienten gegenüber den meisten Materialien.It is particularly favorable if the sliding element comprises polytetrafluoroethylene at least on its side facing the fire protection element. Polytetrafluoroethylene, which is marketed under the Teflon brand, is nonflammable and has a low coefficient of adhesion and friction with most materials.
Besonders günstig ist es, wenn das Gleitelement eine Folie aus Polytetrafluorethylen und/oder ein textiles Gebilde aus Polytetrafluorethylen aufweist. Polytetrafluorethylen besitzt eine relativ hohe Biegesteifigkeit, so dass dicke Objekte in der Regel wenig flexibel sind. Günstig ist, wenn das Gleitelement ein Fasermaterial und/oder ein faserverstärktes Material umfasst, beispielsweise einen glasfaserverstärkten Kunststoff oder ein Glasfasergewebe. Glasfasern besitzen eine hohe Zugfestigkeit und sind zudem unbrennbar. Besonders günstig ist es, wenn das Gleitelement ein mit Polytetrafluorethylen beschichtetes Glaserfasertextil aufweist. Zwar ist es auch möglich, dass das Gleitelement beispielsweise Aramidfasern aufweist, nachteilig ist jedoch, dass diese im Brandfall schmelzen können, was unerwünscht ist.It is particularly favorable if the sliding element has a film of polytetrafluoroethylene and / or a textile structure of polytetrafluoroethylene. Polytetrafluoroethylene has a relatively high flexural strength, so that thick objects are usually less flexible. It is favorable if the sliding element comprises a fiber material and / or a fiber-reinforced material, for example a glass fiber-reinforced plastic or a glass fiber fabric. Glass fibers have a high tensile strength and are also incombustible. It is particularly favorable if the sliding element has a glass fiber textile coated with polytetrafluoroethylene. Although it is also possible that the slider has, for example, aramid fibers, it is disadvantageous that they can melt in case of fire, which is undesirable.
Gemäß einer bevorzugten Ausführungsform besitzt das Gleitelement eine Gleitelement-Dicke und eine Summe aus Gleitelement-Dicke und einer Brandschutztextil-Dicke des Brandschutztextils jenseits einer Naht entspricht zumindest einer Naht-Dicke des Brandschutztextils im Bereich der Naht. In anderen Worten ist die Gleitelement-Dicke so groß, dass der Wickel im Bereich der Naht keinen größeren Durchmesser hat als in dem Bereich, in dem das Gleitelement angeordnet ist. Auf diese Weise ist sichergestellt, dass sich in dem Bereich, in dem das Gleitelement angeordnet ist, keine Falten bilden können, so dass der Verschleiß gering ist.According to a preferred embodiment, the sliding element has a sliding element thickness and a sum of sliding element thickness and a fire protection textile thickness of the fire protection textile beyond a seam corresponds at least to a seam thickness of the fire protection textile in the region of the seam. In other words, the sliding element thickness is so large that the winding in the region of the seam has no larger diameter than in the region in which the sliding element is arranged. In this way it is ensured that in the region in which the sliding element is arranged, no wrinkles can form, so that the wear is low.
Vorzugsweise ist das Gleitelement streifenförmig, dass heißt, dass es in der Richtung, in der es sich entlang einer Naht erstreckt, zumindest fünffach so lang ist wie breit, das heißt senkrecht zu dieser Erstreckungsrichtung. Das verringert den Fertigungsaufwand und reduziert das Gewicht der Rauch- oder Brandschutzvorrichtung.Preferably, the sliding element is strip-shaped, that is to say that it is at least five times as long as it is wide in the direction in which it extends along a seam, that is to say perpendicular to this direction of extent. This reduces manufacturing costs and reduces the weight of the smoke or fire protection device.
Günstig ist es, wenn die Rauch- oder Brandschutzvorrichtung eine Fußleiste aufweist, die dann, wenn das Brandschutzelement in seiner Schutzanordnung ist, beispielsweise auf dem Erdboden aufliegt.It is advantageous if the smoke or fire protection device has a skirting board, which rests, for example, on the ground when the fire protection element is in its protective arrangement.
Vorzugsweise ist das Gleitelement federnd mit der Fußleiste verbunden. Beispielsweise ist zwischen dem Gleitelement und der Fußleiste eine Vorspannvorrichtung angeordnet. Beim Abwickeln wird das Gleitelement von der Vorspannvorrichtung straff gehalten.Preferably, the sliding element is resiliently connected to the baseboard. For example, a biasing device is disposed between the slider and the baseboard. When unwinding, the slider is held taut by the pretensioner.
Im Folgenden wird die Erfindung anhand der beigefügten Zeichnungen näher erläutert. Dabei zeigt
- Figur 1
- eine schematische Ansicht einer erfindungsgemäßen Rauch- oder Brandschutzvorrichtung in einer dreidimensionalen Ansicht,
- Figur 2
- eine schematische Querschnittsansicht durch die Rauch- oder Brandschutzvorrichtung gemäß
Figur 1 , und - Figur 3
- schematisch einen Querschnitt durch ein aufgewickeltes Brandschutzelement.
- FIG. 1
- a schematic view of a smoke or fire protection device according to the invention in a three-dimensional view,
- FIG. 2
- a schematic cross-sectional view through the smoke or fire protection device according to
FIG. 1 , and - FIG. 3
- schematically a cross section through a wound fire protection element.
In
Das Gleitelement 36 kann, wie in der kleinen Zeichnung rechts oben dargestellt, einen Streifen 38 aus Glasfasergewebe und eine Hülle 40 aus Polytetrafluorethylen umfassen. Das Gleitelement 36 ist zwischen der zweiten Naht 26 und dem nächstliegenden, im vorliegen Fall linken, zweiten Rand 42 des Brandschutzelements 16 angeordnet und liegt auf diesem auf.The sliding
Die Rauch- oder Brandschutzvorrichtung 10 umfasst zudem ein zweites Gleitelement 44, das zwischen der ersten Naht 24 und der zweiten Naht 26 angeordnet ist, und ein drittes Gleitelement 46, das zwischen der ersten Naht 24 und dem nächstliegenden, im vorliegenden Fall rechten, ersten Rand 48 des Brandschutzelements 16 angeordnet ist. Schematisch eingezeichnet ist, dass die Gleitelemente 36, 44, 46 bezüglich einer Position entlang des Wickels auf gleicher Höhe x wie die die Rollen angeordnet sind, auf denen die Gleitelemente ablaufen. So läuft das zweite Gleitelement 44 auf den Rollen 34.3 und 34,4 ab, das dritte Gleitelement 46 auf den Rollen 34.5 und 34.6.The smoke or
Die Rauch- oder Brandschutzvorrichtung besitzt in ihrem Fußbereich eine Fußleiste 50, an der das Brandschutzelement 16 befestigt ist. Die Gleitelemente 36, 44, 46 sind federnd mit der Fußleiste 50 verbunden. Im vorliegenden Fall sind die Gleitelemente 36, 44, 46 mittels Federelementen 52.1, 52.2, 52.3 an der Fußleiste 50 befestigt. Die Federelemente können beispielsweise aus dünnen Gummibändern gebildet sein. Alternativ oder zusätzlich können die Federelemente auch Metallfedern aufweisen, beispielsweise Spiralfedern.The smoke or fire protection device has in its foot a
Claims (9)
- Smoke or fire protection device with(a) a fire protection element (16) that comprises- a fire protection fabric and- can be moved into a protection arrangement, in which the fire protection element (16) prevents a spread of smoke and/or a fire, and- into a storage arrangement in which the opening (12) is unsealed,(b) wherein the fire protection element (16) is wound up when in its storage arrangement, forming a roll (54),(c) an accommodation (32) that comprises a contact surface (A) upon which the roll (54) is stored such that it lies flat, and(d) at least one flexible sliding element (36) which- can be moved relative to the fire protection element (16) and- is arranged at the same point as the accommodation in terms of a position (x) along the roll (54),(e) wherein the fire protection fabric comprises- a first textile panel (18) and- at least a second textile panel (20),- wherein the first textile panel (18) and the second textile panel (20) are joined at least one seam (24),characterised by the fact that(f) the sliding element (36) is arranged away from the seam (24).
- Smoke or fire protection device according to claim 1, characterised by the fact that the at least one flexible sliding element (36) can be moved relative to the fire protection element (16) in such a way that a length offset that emerges between the fire protection element (16) and the sliding element (36) when unwinding/winding up can be compensated.
- Smoke or fire protection device according to one of the above claims, characterised by the fact that the flexible sliding element (36) is arranged such that a reaction force (F) that the accommodation (32) exerts on the fire protection element (16) is transferred via the sliding element (36).
- Smoke or fire protection device according to one of the above claims, characterised by the fact that- the accommodation (32) is a roller accommodation with at least one roller (34.1) and- the sliding element (36) is arranged in such a way that it runs down at least one roller (34.1).
- Smoke or fire protection device according to one of the claims 1 to 3, characterised by the fact that the accommodation (32) comprises a vat in which the roll (54) is stored such that it is suspended.
- Smoke or fire protection device according to one of the above claims, characterised by the fact that the sliding element (36) is or comprises a fire protection fabric that contains polytetrafluorethylene.
- Smoke or fire protection device according to one of the above claims, characterised by the fact that- the sliding element (36) has a sliding element thickness (DG), and- a sum of the sliding element thickness (DG) and a fire protection fabric thickness (DB) of the fire protection fabric on the other side of the seam (24) corresponds to at least a seam thickness (DN) of the fire protection fabric around the seam (24).
- Smoke or fire protection device according to one of the above claims, characterised by the fact that the sliding element (36) is in the form of strips.
- Smoke or fire protection device according to one of the above claims, characterised by a base board (50), wherein the sliding element (36) is flexibly connected to the base board (50).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102013213932.2A DE102013213932A1 (en) | 2013-07-16 | 2013-07-16 | Smoke or fire protection device |
Publications (3)
Publication Number | Publication Date |
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EP2835153A2 EP2835153A2 (en) | 2015-02-11 |
EP2835153A3 EP2835153A3 (en) | 2015-08-05 |
EP2835153B1 true EP2835153B1 (en) | 2018-08-08 |
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EP14002433.2A Active EP2835153B1 (en) | 2013-07-16 | 2014-07-15 | Smoke or fire protection device |
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DE (1) | DE102013213932A1 (en) |
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DE19610532B4 (en) | 1995-03-22 | 2004-09-23 | Rasontec N.V. By Rabobank Trust Co. Curacao N.V. | Fire curtain |
JP4459386B2 (en) * | 2000-05-31 | 2010-04-28 | 文化シヤッター株式会社 | Roller shaft support structure for shutter device |
JP4987293B2 (en) * | 2005-12-22 | 2012-07-25 | 文化シヤッター株式会社 | Switchgear |
WO2007060777A1 (en) * | 2005-11-22 | 2007-05-31 | Bunka Shutter Co., Ltd. | Opening/closing device |
JP4890852B2 (en) * | 2005-12-22 | 2012-03-07 | 文化シヤッター株式会社 | Switchgear |
DE102012000116B4 (en) | 2012-01-05 | 2018-05-17 | Stöbich Brandschutz GmbH | Smoke or fire protection device |
-
2013
- 2013-07-16 DE DE102013213932.2A patent/DE102013213932A1/en not_active Withdrawn
-
2014
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EP2835153A3 (en) | 2015-08-05 |
DE102013213932A1 (en) | 2015-01-22 |
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