EP3366356B1 - Damper, especially fireproof damper - Google Patents

Damper, especially fireproof damper Download PDF

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Publication number
EP3366356B1
EP3366356B1 EP17157630.9A EP17157630A EP3366356B1 EP 3366356 B1 EP3366356 B1 EP 3366356B1 EP 17157630 A EP17157630 A EP 17157630A EP 3366356 B1 EP3366356 B1 EP 3366356B1
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EP
European Patent Office
Prior art keywords
bearing pin
damper
housing
bearing
sheet
Prior art date
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Application number
EP17157630.9A
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German (de)
French (fr)
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EP3366356B8 (en
EP3366356A1 (en
Inventor
Martin Fels
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Gebrueder Trox GmbH
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Gebrueder Trox GmbH
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Publication date
Application filed by Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Priority to EP17157630.9A priority Critical patent/EP3366356B8/en
Priority to ES17157630T priority patent/ES2883100T3/en
Priority to PL17157630T priority patent/PL3366356T3/en
Priority to DK17157630.9T priority patent/DK3366356T3/en
Publication of EP3366356A1 publication Critical patent/EP3366356A1/en
Application granted granted Critical
Publication of EP3366356B1 publication Critical patent/EP3366356B1/en
Publication of EP3366356B8 publication Critical patent/EP3366356B8/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers

Definitions

  • the invention relates to a flap, in particular a fire protection flap.
  • a fire damper known in the prior art has two opposing bearing pins. An angle with two holes is provided on each bearing pin, by means of which the bearing pin can be attached to the flap leaf, which consists for example of calcium silicate.
  • the flap leaf which consists for example of calcium silicate.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a flap in which the mounting of the bearing pins is easier.
  • This object is achieved by the combination of features of claim 1. If the bearing pin of at least one bearing point is frictionally held in the free space of the valve leaf, the bearing pin is arranged non-rotatably with respect to the valve leaf.
  • the free space is created by the fact that the bearing pin is moved into the valve leaf, for example by pressing, nailing, pressing or the like, so that the bearing pin itself generates the finally required free space in this way.
  • the bearing pin of at least one bearing point can also only be held in a form-fitting manner in the free space of the flap leaf. In such a configuration, the free space is already there when the bearing pin is guided into the free space. In such a configuration, the bearing pin is not arranged non-rotatably relative to the flap leaf.
  • the bearing pin of at least one bearing point may be held in the free space of the flap leaf in a frictionally and positively locking manner.
  • the bearing pin is non-rotatable with respect to the flap leaf.
  • the frictional and / or positive connection between the hinge pin and the valve leaf prevents the hinge pin from being displaced at least to the outside, preferably exclusively to the outside, and thus prevents the hinge pin from being displaced out of the free space in the valve leaf.
  • the bearing pin of at least one bearing point can be secured by means of at least one securing element, preferably arranged outside the housing, the securing element displacing the bearing pin at least outward, preferably exclusively outward, and thus displacing the bearing pin prevented from the free space of the damper blade.
  • a securing element preferably arranged outside the housing, the securing element displacing the bearing pin at least outward, preferably exclusively outward, and thus displacing the bearing pin prevented from the free space of the damper blade.
  • the inventive design allows both simple assembly and simple subsequent dismantling of the flap leaf with a secure storage of the damper blade.
  • the bearing pin in question can easily and easily be brought into its fixing position from the outside. Should disassembly be necessary later, for example for the purpose of replacing the valve blade, the bearing pin in question can again be easily and easily removed from the outside.
  • At least one securing element can be fixed relative to the housing, preferably on the outside of the housing, and act on the end of the bearing pin located in the recess.
  • the securing element - provided the securing element and the housing are made of metal - is, for example, welded on the outside of the housing.
  • the securing element is designed in such a way that it acts on the end of the bearing pin located in the recess and in this way prevents at least a displacement of the bearing pin to the outside. In this way, safe storage is guaranteed.
  • At least one securing element is designed as an adhesive tape.
  • Each bearing pin can be assigned its own securing element, for example a tape.
  • the tape is designed as an adhesive tape, for example, an adhesive tape of small dimensions in the manner of an adhesive tape segment is sufficient to secure the bearing pin in question. In such a case, it is advisable if the adhesive tape covers the bearing pin and is glued to the surface of the housing arranged directly around the bearing pin.
  • the securing element secures both bearing pins.
  • the securing element is designed as an adhesive tape, for example, the adhesive tape is at least so long that it covers both bearing pins for securing.
  • the housing can completely encompass at least one securing element on the outside.
  • the two opposite bearing pins can be secured by one and the same securing element.
  • the securing element is designed in the manner of a sleeve. If the securing element is, for example, an adhesive tape, if the housing is completely encompassed on the outside, the adhesive tape is in this case at least so long that it is guided around the housing once. Of course, the adhesive tape can also be made longer and thus guided around the housing more than once. The adhesive tape sticks to the outside of the housing so that further fixing is not necessary.
  • At least one bearing pin has a head at the end, which protrudes on the outside with respect to the housing. The head prevents the hinge pin from being inserted too far into the damper blade.
  • the head of at least one bearing pin can be designed as a flat head or a half-round head.
  • the bearing pin protrudes only slightly with respect to the outer surface of the housing, so that, for example, an adhesive tape is so well attached as a securing element the head is covered by the tape.
  • a half-round head is suitable, among other things, when using an adhesive tape as a securing element, since the adhesive tape is not damaged by the semicircular head shape.
  • At least one bearing pin can be designed as a nail.
  • the bearing pin of at least one bearing point can be an integral part of the valve leaf. If, for example, the valve leaf consists of a calcium silicate plate, the corresponding bearing pin also consists of calcium silicate.
  • the bearing pin which is designed as an integral component, is inserted into the corresponding recess in the housing from the inside in a tilted position of the valve leaf. The flap leaf is then pivoted in such a way that the pivot axis is aligned orthogonally to the longitudinal extension of the housing. Then the second bearing can be made.
  • the bearing pins of the two opposite bearing points can be made in one piece.
  • the one-piece bearing pin extends through the flap leaf and is therefore part of both bearing points.
  • the housing can have a portion which extends along the circumference of the valve leaf in the closed state and which is provided with a material that expands when exposed to heat.
  • the sub-area can also be delimited on both sides, in particular designed as a groove.
  • the material expands when exposed to heat and, in the closed position of the damper blade, also seals the area between the outer edge, i. H. the edge, the damper blade and the inner surface of the housing.
  • the width of the material can preferably correspond at least approximately to the thickness of the valve leaf.
  • a circumferential movement gap In the closed state of the flap leaf between the outer edge, d. H. the edge, the flap leaf and the inner surface of the housing or of the material that has not yet expanded due to the action of heat, a circumferential movement gap can be provided.
  • the flap leaf can have a seal on its edge on the outside, in particular a seal designed as a cold seal.
  • the seal serves in particular to seal a gap that may possibly remain in the closed position of the valve leaf.
  • Each flap has a housing 1 with a round flow cross section and a flap leaf 3 with a circumferential edge 4, which is mounted in the housing 1 so as to be pivotable about a pivot axis 2.
  • each bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 protruding on the one hand at least with a partial area into the recess 5 and on the other hand with at least a partial area in a free space 7 of the valve leaf 3 .
  • One bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 protruding into the recess 5 with at least one part and at least one part into a free space 7 of the valve leaf 3 .
  • the other, in Fig. 8 The left bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 being an integral part of the valve leaf 3.
  • a securing element 8 which is designed as an adhesive tape in the illustrated embodiment, is provided outside the housing 1.
  • the tape covers the housing 1 on the outside completely. The adhesive tape prevents the bearing pins 6 from inadvertently shifting outwards.
  • the housing 1 has five parallel rows of slot-shaped recesses 9 in the partial area which extends along the circumference of the valve leaf 3 in the closed state.
  • the slot-shaped recesses 9 of a row are separated from one another by webs 10, the webs 10 of adjacent rows being arranged offset from one another.
  • This design serves to worsen the heat transfer in the event of a fire from the end of the flap facing the fire to the end of the flap facing away from the fire.
  • the adhesive tape also prevents the penetration of mortar water into the interior of the housing 1 when the flap is mortared into an opening in a wall.
  • the end of the bearing pin 6 has a head 11 which, in the exemplary embodiments shown, is designed as a flat head.
  • the diameter of the head 11 is greater than the diameter of the recess 5 in the housing 1, so that the head 11 prevents the bearing pin 6 from being inserted too far.
  • an embodiment with a different head shape for example a button head, is also possible.
  • a button head has a semicircular configuration when viewed in section.
  • the Figures 4 to 6 show an embodiment in which the bearing pin 6 is designed as a nail.
  • the bearing pin 6 is first guided through the recess 5 in the housing 1 and then driven into the flap leaf 3. In this way, the bearing pin 6 creates its free space 7 in the flap leaf 3 itself. In such a configuration, the bearing pin 6 is fixed in the flap leaf 3 in a rotationally fixed manner.
  • the bearing pin 6 is the in Fig. 8
  • the left bearing point is an integral part of the flap leaf 3.
  • the right bearing point can be designed as in the first or second exemplary embodiment described above.
  • there is initially a free space 7 for the right bearing point - for example by drilling - has been introduced into the edge 4 of the valve leaf 3, into which the bearing pin 6 is then inserted.
  • the bearing pin 6 is not rotationally fixed with respect to the flap leaf 3.
  • the bearing pin 6 is secured by the securing element 8, which in the present case is designed as an adhesive tape.
  • the securing element 8 prevents the bearing pin 6 from being displaced at least to the outside and thus preventing the bearing pin 6 from being displaced out of the free space 7 of the flap leaf 3.
  • the bearing pins 6 of the two opposite bearing points are formed in one piece.
  • the continuous bearing pin 6 has a head 11.
  • the end of the bearing pin 6 opposite the head is first guided through the recess 5 and then through the continuous free space 7 into the opposite recess 5.
  • the bearing pin 6 can be arranged non-rotatably or non-rotatably with respect to the flap leaf 3.
  • Fig. 14 an exemplary embodiment of a bearing pin 6 is shown, which is held exclusively in a form-fitting manner in the free space 7 of the flap leaf 3.
  • the bearing pin 6 has an arrow-shaped end thickening 12, the corresponding free space 7 having a corresponding contour. Since the inner dimensions of the free space 7 are somewhat larger than the outer dimensions of the arrow-like thickening 12, the bearing pin 6 is not arranged non-rotatably with respect to the flap leaf 3. The positive fit prevents the bearing pin 6 from being displaced with respect to the flap leaf 3 and thus preventing unintentional loosening.
  • Fig. 15 shows an exemplary embodiment in which the bearing pin 6 is held in the free space 7 of the flap leaf 3 in a frictionally and positively locking manner.
  • the end of the bearing pin 6, which is located in the free space 7 of the flap leaf 3, has a thickening 12 with grooves 13 on the outside.
  • the grooves 13 are in contact with the inner surface of the free space 7, so that there is a frictional connection.
  • the thickening 12, in conjunction with the corresponding configuration of the free space 7, creates a form fit.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Special Wing (AREA)
  • Building Environments (AREA)
  • Air-Flow Control Members (AREA)

Description

Die Erfindung betrifft eine Klappe, insbesondere Brandschutzklappe.The invention relates to a flap, in particular a fire protection flap.

Eine im Stand der Technik bekannte Brandschutzklappe weist zwei gegenüberliegende Lagerstifte auf. An jedem Lagerstift ist ein Winkel mit zwei Löchern vorgesehen, mittels derer der Lagerstift an dem Klappenblatt, das beispielsweise aus Kalzium-Silikat besteht, befestigt werden kann. Für die Montage des Klappenblattes in der Klappe wird jeder der beiden Lagerstifte von innen durch die betreffende Ausnehmung in dem Gehäuse geführt. Anschließend wird das Klappenblatt im Inneren des Gehäuses gegen die beiden Winkel gehalten, und durch die Löcher in den Winkeln werden Befestigungsschrauben in das Klappenblatt hineingedreht. Sowohl die Montage als auch die Demontage ist insoweit aufwändig.A fire damper known in the prior art has two opposing bearing pins. An angle with two holes is provided on each bearing pin, by means of which the bearing pin can be attached to the flap leaf, which consists for example of calcium silicate. For the assembly of the valve leaf in the valve, each of the two bearing pins is guided from the inside through the relevant recess in the housing. The damper blade is then held inside the housing against the two brackets, and fastening screws are screwed into the damper blade through the holes in the brackets. Both the assembly and the disassembly are complex in this respect.

Aus der EP 2 778 554 A1 , der EP 2 181 733 A1 , der DT 24 10 561 A1 , der EP 0 447 944 A1 , der DE 27 08 109 A1 sowie der DE 20 2007 013 909 U1 sind Klappen zum Einsatz in lufttechnischen Anlagen bekannt.From the EP 2 778 554 A1 , the EP 2 181 733 A1 , the DT 24 10 561 A1 , the EP 0 447 944 A1 , the DE 27 08 109 A1 as well as the DE 20 2007 013 909 U1 are known flaps for use in ventilation systems.

Aufgabe der Erfindung ist es, die vorgenannten Nachteile zu vermeiden und eine Klappe anzugeben, bei der die Montage der Lagerstifte einfacher ist. Diese Aufgabe wird durch die Merkmalskombination von Anspruch 1 gelöst. Sofern der Lagerstift zumindest einer Lagerstelle reibschlüssig in dem Freiraum des Klappenblattes gehalten ist, ist der Lagerstift drehfest gegenüber dem Klappenblatt angeordnet. Der Freiraum entsteht dadurch, dass der Lagerstift in das Klappenblatt, beispielsweise durch Drücken, durch Nageln, durch Pressen oder dergleichen, bewegt wird, so dass der Lagerstift auf diese Weise den endgültig benötigten Freiraum selbst erzeugt. Selbstverständlich ist es auch möglich, dass ein Freiraum geringeren Durchmessers bereits vorhanden ist, in den der Lagerstift größeren Durchmessers beispielsweise eingepresst wird.The object of the invention is to avoid the aforementioned disadvantages and to provide a flap in which the mounting of the bearing pins is easier. This object is achieved by the combination of features of claim 1. If the bearing pin of at least one bearing point is frictionally held in the free space of the valve leaf, the bearing pin is arranged non-rotatably with respect to the valve leaf. The free space is created by the fact that the bearing pin is moved into the valve leaf, for example by pressing, nailing, pressing or the like, so that the bearing pin itself generates the finally required free space in this way. Of course, it is also possible that there is already a free space of smaller diameter into which the bearing pin of larger diameter is pressed, for example.

Der Lagerstift zumindest einer Lagerstelle kann in dem Freiraum des Klappenblattes auch nur formschlüssig gehalten sein. Bei einer solchen Ausgestaltung ist der Freiraum bereits da, wenn der Lagerstift in den Freiraum geführt wird. Bei einer solchen Ausgestaltung ist der Lagerstift nicht drehfest gegenüber dem Klappenblatt angeordnet.The bearing pin of at least one bearing point can also only be held in a form-fitting manner in the free space of the flap leaf. In such a configuration, the free space is already there when the bearing pin is guided into the free space. In such a configuration, the bearing pin is not arranged non-rotatably relative to the flap leaf.

Selbstverständlich ist es aber auch möglich, dass der Lagerstift zumindest einer Lagerstelle reibschlüssig und formschlüssig in dem Freiraum des Klappenblattes gehalten ist. Bei einer solchen Ausgestaltung ist der Lagerstift drehfest gegenüber dem Klappenblatt.Of course, however, it is also possible for the bearing pin of at least one bearing point to be held in the free space of the flap leaf in a frictionally and positively locking manner. In such a configuration, the bearing pin is non-rotatable with respect to the flap leaf.

Durch die reibschlüssige und/oder formschlüssige Verbindung zwischen dem Lagerstift und dem Klappenblatt wird eine Verlagerung des Lagerstiftes zumindest nach außen, vorzugsweise ausschließlich nach außen, und damit eine Verlagerung des Lagerstiftes aus dem Freiraum des Klappenblattes heraus verhindert.The frictional and / or positive connection between the hinge pin and the valve leaf prevents the hinge pin from being displaced at least to the outside, preferably exclusively to the outside, and thus prevents the hinge pin from being displaced out of the free space in the valve leaf.

Alternativ oder in Ergänzung zu der vorbeschriebenen Ausgestaltung kann der Lagerstift zumindest einer Lagerstelle mittels zumindest eines, vorzugsweise außerhalb des Gehäuses angeordneten, Sicherungselements gesichert sein, wobei das Sicherungselement eine Verlagerung des Lagerstiftes zumindest nach außen, vorzugsweise ausschließlich nach außen, und damit eine Verlagerung des Lagerstiftes aus dem Freiraum des Klappenblattes heraus verhindert. Eine solche Ausgestaltung bietet sich insbesondere dann an, wenn der Lagerstift nicht drehfest gegenüber dem Klappenblatt fixiert ist und sich insoweit nach außen bewegen könnte. Das Sicherungselement verhindert eine solche unerwünschte Verlagerung des Lagerstiftes.Alternatively or in addition to the embodiment described above, the bearing pin of at least one bearing point can be secured by means of at least one securing element, preferably arranged outside the housing, the securing element displacing the bearing pin at least outward, preferably exclusively outward, and thus displacing the bearing pin prevented from the free space of the damper blade. Such a configuration is particularly useful when the bearing pin is not fixed in a rotationally fixed manner with respect to the flap leaf and to that extent could move outwards. The securing element prevents such an undesired displacement of the bearing pin.

Sofern es sich um eine Klappe handelt, die beispielsweise in einer unterhalb einer Raumdecke geführten Kanalleitung montiert ist, erlaubt die erfindungsgemäße Ausgestaltung bei einer sicheren Lagerung des Klappenblattes sowohl eine einfache Montage als auch eine einfache spätere Demontage des Klappenblattes. So kann bei der Montage der betreffende Lagerstift einfach und problemlos von außen in seine Fixierposition gebracht werden. Sollte später einmal beispielwiese zum Zwecke des Austausches des Klappenblattes eine Demontage erforderlich sein, kann der betreffende Lagerstift wiederum von außen einfach und problemlos entfernt werden.If it is a question of a flap that is mounted, for example, in a duct below a ceiling, the inventive design allows both simple assembly and simple subsequent dismantling of the flap leaf with a secure storage of the damper blade. Thus, during assembly, the bearing pin in question can easily and easily be brought into its fixing position from the outside. Should disassembly be necessary later, for example for the purpose of replacing the valve blade, the bearing pin in question can again be easily and easily removed from the outside.

Sofern es sich um eine Brandschutzklappe handelt, ist diese im Bereich ihres Achsbereichs üblicherweise in einen Wand-/Deckendurchbruch eingebaut. Die erfindungsgemäße Ausgestaltung erlaubt bei einer sicheren Lagerung des Klappenblattes wiederum eine einfache Montage vor dem Einbau in den Wand-/Deckendurchbruch. Auch eine spätere Demontage des Klappenblattes ist in der vorbeschriebenen Weise grundsätzlich möglich und aufgrund der erfindungsgemäßen Ausgestaltung auch einfach. Allerdings bedarf es hierzu eines vorherigen Ausbaus der Brandschutzklappe aus dem Wand-/Deckendurchbruch.If it is a fire protection flap, this is usually built into a wall / ceiling opening in the area of its axis area. The configuration according to the invention, with a secure storage of the flap leaf, in turn allows simple assembly before installation in the wall / ceiling opening. A later dismantling of the flap leaf is also possible in principle in the manner described above and is also simple due to the design according to the invention. However, this requires the fire damper to be removed from the wall / ceiling opening beforehand.

Zumindest ein Sicherungselement kann gegenüber dem Gehäuse, vorzugsweise an der Außenseite des Gehäuses, fixiert sein und auf das in der Ausnehmung befindliche Ende des Lagerstiftes wirken. Bei einer solchen Ausgestaltung ist das Sicherungselement - sofern das Sicherungselement und das Gehäuse aus Metall sind - beispielsweise an dem Gehäuse außenseitig angeschweißt. Das Sicherungselement ist so ausgebildet, dass es auf das in der Ausnehmung befindliche Ende des Lagerstiftes wirkt und auf diese Weise zumindest eine Verlagerung des Lagerstiftes nach außen verhindert. Auf diese Weise ist eine sichere Lagerung gewährleitstet.At least one securing element can be fixed relative to the housing, preferably on the outside of the housing, and act on the end of the bearing pin located in the recess. In such a configuration, the securing element - provided the securing element and the housing are made of metal - is, for example, welded on the outside of the housing. The securing element is designed in such a way that it acts on the end of the bearing pin located in the recess and in this way prevents at least a displacement of the bearing pin to the outside. In this way, safe storage is guaranteed.

Zumindest ein Sicherungselement ist als Klebeband ausgebildet.At least one securing element is designed as an adhesive tape.

Jedem Lagerstift kann ein eigenes Sicherungselement, beispielsweise ein Band, zugeordnet sein. Ist das Band beispielsweise als Klebeband ausgebildet, ist ein Klebeband einer geringen Abmessung nach Art eines Klebebandsegmentes ausreichend, um den betreffenden Lagerstift zu sichern. In einem solchen Fall bietet es sich an, wenn das Klebeband den Lagerstift überdeckt und auf die unmittelbar um den Lagerstift herum angeordnete Oberfläche des Gehäuses geklebt ist.Each bearing pin can be assigned its own securing element, for example a tape. If the tape is designed as an adhesive tape, for example, an adhesive tape of small dimensions in the manner of an adhesive tape segment is sufficient to secure the bearing pin in question. In such a case, it is advisable if the adhesive tape covers the bearing pin and is glued to the surface of the housing arranged directly around the bearing pin.

Es ist aber auch möglich, dass zwei gegenüberliegenden Lagerstiften ein gemeinsames Sicherungselement zugeordnet ist. In diesem Fall sichert das Sicherungselement beide Lagerstifte. Ist das Sicherungselement beispielsweise als Klebeband ausgebildet, ist das Klebeband zumindest so lang, dass es beide Lagerstifte für eine Sicherung überdeckt.However, it is also possible for two opposing bearing pins to be assigned a common securing element. In this case, the securing element secures both bearing pins. If the securing element is designed as an adhesive tape, for example, the adhesive tape is at least so long that it covers both bearing pins for securing.

Zumindest ein Sicherungselement kann das Gehäuse außenseitig vollständig umfassen. Hierdurch können die beiden gegenüberliegenden Lagerstifte durch ein und dasselbe Sicherungselement gesichert werden. Bei einer solchen Ausgestaltung ist das Sicherungselement nach Art einer Manschette ausgebildet. Handelt es sich bei dem Sicherungselement beispielsweise um ein Klebeband, ist - sofern das Gehäuse außenseitig vollständig umfasst wird - das Klebeband in diesem Fall zumindest so lang, dass es einmal um das Gehäuse herumgeführt ist. Selbstverständlich kann das Klebeband auch länger ausgebildet und damit mehr als einmal um das Gehäuse herumgeführt sein. Das Klebeband klebt dabei auf der Außenseite des Gehäuses, so dass eine weitere Fixierung nicht erforderlich ist.The housing can completely encompass at least one securing element on the outside. As a result, the two opposite bearing pins can be secured by one and the same securing element. In such a configuration, the securing element is designed in the manner of a sleeve. If the securing element is, for example, an adhesive tape, if the housing is completely encompassed on the outside, the adhesive tape is in this case at least so long that it is guided around the housing once. Of course, the adhesive tape can also be made longer and thus guided around the housing more than once. The adhesive tape sticks to the outside of the housing so that further fixing is not necessary.

Zumindest ein Lagerstift weist endseitig einen Kopf auf, der außenseitig gegenüber dem Gehäuse hervorsteht. Der Kopf verhindert ein zu weites Einführen des Lagerstiftes in das Klappenblatt.At least one bearing pin has a head at the end, which protrudes on the outside with respect to the housing. The head prevents the hinge pin from being inserted too far into the damper blade.

Dabei kann der Kopf zumindest eines Lagerstiftes als Flachkopf oder als Halbrundkopf ausgebildet sein. Durch eine solche Ausgestaltung steht der Lagerstift nur geringfügig gegenüber der Außenfläche des Gehäuses über, so dass beispielsweise ein Klebeband als Sicherungselement derart gut angebracht werden kann, dass der Kopf durch das Klebeband verdeckt ist. Ein Halbrundkopf bietet sich u. a. bei Verwendung eines Klebebandes als Sicherungselement an, da durch die halbrunde Kopfform das Klebeband nicht beschädigt wird.The head of at least one bearing pin can be designed as a flat head or a half-round head. As a result of such a configuration, the bearing pin protrudes only slightly with respect to the outer surface of the housing, so that, for example, an adhesive tape is so well attached as a securing element the head is covered by the tape. A half-round head is suitable, among other things, when using an adhesive tape as a securing element, since the adhesive tape is not damaged by the semicircular head shape.

Zumindest ein Lagerstift kann als Nagel ausgebildet sein.At least one bearing pin can be designed as a nail.

Der Lagerstift zumindest einer Lagerstelle kann integraler Bestandteil des Klappenblattes sein. Sofern beispielsweise das Klappenblatt aus einer Kalzium-Silikat-Platte besteht, besteht auch der entsprechende Lagerstift aus Kalzium-Silikat. Für die Montage des Klappenblattes wird der als integraler Bestandteil ausgebildete Lagerstift in einer gekippten Stellung des Klappenblattes von innen in die entsprechende Ausnehmung in dem Gehäuse eingeführt. Anschließend wird das Klappenblatt derart verschwenkt, dass die Schwenkachse orthogonal zur Längserstreckung des Gehäuses ausgerichtet ist. Dann kann die zweite Lagerstelle hergestellt werden.The bearing pin of at least one bearing point can be an integral part of the valve leaf. If, for example, the valve leaf consists of a calcium silicate plate, the corresponding bearing pin also consists of calcium silicate. For the assembly of the valve leaf, the bearing pin, which is designed as an integral component, is inserted into the corresponding recess in the housing from the inside in a tilted position of the valve leaf. The flap leaf is then pivoted in such a way that the pivot axis is aligned orthogonally to the longitudinal extension of the housing. Then the second bearing can be made.

Die Lagerstifte der beiden gegenüberliegenden Lagerstellen können einteilig ausgebildet sein. Bei einer einteiligen Ausgestaltung erstreckt sich insoweit der einteilig ausgebildete Lagerstift durch das Klappenblatt und ist damit Bestandteil beider Lagerstellen.The bearing pins of the two opposite bearing points can be made in one piece. In the case of a one-piece configuration, the one-piece bearing pin extends through the flap leaf and is therefore part of both bearing points.

Das Gehäuse kann innenseitig einen sich längs des Umfangs des in geschlossenem Zustand befindlichen Klappenblattes erstreckenden und mit einem sich bei Wärmeeinwirkung ausdehnenden Material versehenen Teilbereich aufweisen. Der Teilbereich kann auch beidseitig begrenzt, insbesondere als Nut ausgebildet, sein. Im Brandfall dehnt sich das bei Wärmeeinwirkung ausdehnende Material aus und dichtet in der Schließstellung des Klappenblattes zusätzlich den Bereich zwischen dem Außenrand, d. h. der Kante, des Klappenblattes und der Innenfläche des Gehäuses ab.On the inside, the housing can have a portion which extends along the circumference of the valve leaf in the closed state and which is provided with a material that expands when exposed to heat. The sub-area can also be delimited on both sides, in particular designed as a groove. In the event of fire, the material expands when exposed to heat and, in the closed position of the damper blade, also seals the area between the outer edge, i. H. the edge, the damper blade and the inner surface of the housing.

Die Breite des Materials kann vorzugsweise zumindest in etwa der Dicke des Klappenblattes entsprechen.The width of the material can preferably correspond at least approximately to the thickness of the valve leaf.

Im geschlossenen Zustand des Klappenblattes kann zwischen dem Außenrand, d. h. der Kante, des Klappenblattes und der Innenfläche des Gehäuses bzw. des Materials, das sich noch nicht durch Wärmeeinwirkung ausgedehnt hat, ein umlaufender Bewegungsspalt vorgesehen sein.In the closed state of the flap leaf between the outer edge, d. H. the edge, the flap leaf and the inner surface of the housing or of the material that has not yet expanded due to the action of heat, a circumferential movement gap can be provided.

Das Klappenblatt kann außenseitig auf seiner Kante eine Dichtung, insbesondere eine als Kaltdichtung ausgebildete Dichtung, aufweisen. Die Dichtung dient insbesondere zur Abdichtung eines eventuell in der Schließstellung des Klappenblattes verbleibenden Spalts.The flap leaf can have a seal on its edge on the outside, in particular a seal designed as a cold seal. The seal serves in particular to seal a gap that may possibly remain in the closed position of the valve leaf.

Im Folgenden werden in den Zeichnungen dargestellte Ausführungsbeispiele der Erfindung erläutert. Figuren 1 bis 13 zeigen Ausführungsbeispiele der Erfindung, während die Ausführungsbeispiele nach den Figuren 14 und 15 keinen Teil der Erfindung bilden. Es zeigen:

Fig. 1 - 3
ein erstes Ausführungsbeispiel einer erfindungsgemäßen Klappe,
Fig. 4 - 6
ein zweites Ausführungsbeispiel einer erfindungsgemäßen Klappe,
Fig. 7 - 10
ein drittes Ausführungsbeispiel einer erfindungsgemäßen Klappe,
Fig. 11 - 13
ein viertes Ausführungsbeispiel einer erfindungsgemäßen Klappe,
Fig. 14
einen Schnitt durch ein Klappenblatt im Bereich einer Lagerstelle und
Fig. 15
einen Schnitt durch ein Klappenblatt im Bereich einer Lagerstelle.
In the following, exemplary embodiments of the invention shown in the drawings are explained. Figures 1 to 13 show embodiments of the invention, while the embodiments according to the Figures 14 and 15 do not form part of the invention. Show it:
Figs. 1-3
a first embodiment of a flap according to the invention,
Figures 4-6
a second embodiment of a flap according to the invention,
Figures 7-10
a third embodiment of a flap according to the invention,
Figures 11-13
a fourth embodiment of a flap according to the invention,
Fig. 14
a section through a valve leaf in the area of a bearing point and
Fig. 15
a section through a valve leaf in the area of a bearing point.

In allen Figuren werden für gleiche bzw. gleichartige Bauteile übereinstimmende Bezugszeichen verwendet.In all figures, identical reference symbols are used for identical or similar components.

Die Figuren zeigen eine erfindungsgemäße Klappe unterschiedlicher Ausgestaltungen, wobei die Klappe in den dargestellten Ausführungsbeispielen als Brandschutzklappe ausgebildet ist. Jede Klappe weist ein Gehäuse 1 mit einem runden Strömungsquerschnitt sowie ein in dem Gehäuse 1 um eine Schwenkachse 2 verschwenkbar gelagertes Klappenblatt 3 mit einer umlaufenden Kante 4 auf.The figures show a flap according to the invention of different configurations, the flap being designed as a fire protection flap in the exemplary embodiments shown. Each flap has a housing 1 with a round flow cross section and a flap leaf 3 with a circumferential edge 4, which is mounted in the housing 1 so as to be pivotable about a pivot axis 2.

Zur Lagerung des Klappenblattes 3 sind zwei, die Schwenkachse 2 bildende, gegenüberliegende Lagerstellen vorgesehen. Bei den Ausführungsbeispielen nach den Fig. 1 bis 3, 4 bis 6 sowie 11 bis 13 ist jede Lagerstelle durch eine in dem Gehäuse 1 vorgesehene Ausnehmung 5 einerseits und durch einen Lagerstift 6 andererseits gebildet, wobei der Lagerstift 6 zum einen zumindest mit einem Teilbereich in die Ausnehmung 5 und zum anderen mit wenigstens einem Teilbereich in einen Freiraum 7 des Klappenblattes 3 hineinragt.To support the flap leaf 3, two opposing bearing points forming the pivot axis 2 are provided. In the embodiments according to Figs. 1 to 3 , 4 to 6 as 11 to 13 Each bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 protruding on the one hand at least with a partial area into the recess 5 and on the other hand with at least a partial area in a free space 7 of the valve leaf 3 .

Bei dem Ausführungsbeispiel nach den Fig. 7 bis 10 ist die eine Lagerstelle durch eine im Gehäuse 1 vorgesehene Ausnehmung 5 einerseits und durch einen Lagerstift 6 andererseits gebildet, wobei der Lagerstift 6 zum einen zumindest mit einem Teilbereich in die Ausnehmung 5 und zum anderen mit wenigstens einem Teilbereich in einen Freiraum 7 des Klappenblattes 3 hineinragt. Die andere, in Fig. 8 linke Lagerstelle ist durch eine im Gehäuse 1 vorgesehene Ausnehmung 5 einerseits und durch einen Lagerstift 6 andererseits gebildet, wobei der Lagerstift 6 integraler Bestandteil des Klappenblattes 3 ist.In the embodiment according to Figures 7 to 10 One bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 protruding into the recess 5 with at least one part and at least one part into a free space 7 of the valve leaf 3 . The other, in Fig. 8 The left bearing point is formed by a recess 5 provided in the housing 1 on the one hand and by a bearing pin 6 on the other hand, the bearing pin 6 being an integral part of the valve leaf 3.

Bei den Ausführungsbeispielen nach den Fig. 1 bis 3 ist der Freiraum 7 in dem Klappenblatt 3 bereits vorhanden, wenn der betreffende Lagerstift 6 von außen durch die Ausnehmung 5 des Gehäuses 1 in den Freiraum 7 des Klappenblattes 3 geführt wird. In Folge dessen ist der Lagerstift 6 nicht drehfest gegenüber dem Klappenblatt 3. Wie den Figuren 1 bis 3 zu entnehmen ist, ist außerhalb des Gehäuses 1 ein Sicherungselement 8, das in dem dargestellten Ausführungsbeispiel als Klebeband ausgebildet ist, vorgesehen. Das Klebeband umfasst das Gehäuse 1 außenseitig vollständig. Das Klebeband verhindert, dass sich die Lagerstifte 6 unbeabsichtigt nach außen verlagern.In the embodiments according to Figs. 1 to 3 the free space 7 is already present in the valve leaf 3 when the relevant bearing pin 6 is guided from the outside through the recess 5 of the housing 1 into the free space 7 of the valve leaf 3. As a result, the bearing pin 6 is not rotationally fixed with respect to the valve leaf 3. As the Figures 1 to 3 It can be seen that a securing element 8, which is designed as an adhesive tape in the illustrated embodiment, is provided outside the housing 1. The tape covers the housing 1 on the outside completely. The adhesive tape prevents the bearing pins 6 from inadvertently shifting outwards.

Das Gehäuse 1 weist in dem Teilbereich, der sich längs des Umfangs des im geschlossenen Zustand befindlichen Klappenblattes 3 erstreckt, fünf, parallel angeordnete Reihen an schlitzförmigen Ausnehmungen 9 auf. Die schlitzförmigen Ausnehmungen 9 einer Reihe sind durch Stege 10 voneinander getrennt, wobei die Stege 10 benachbarter Reihen versetzt zueinander angeordnet sind. Diese Ausbildung dient der Verschlechterung der Wärmeübertragung im Brandfall von dem, dem Brand zugewandten Ende der Klappe zu dem, dem Brand abgewandten Ende der Klappe. Das Klebeband verhindert auch das Eindringen von Mörtelwasser in das Innere des Gehäuses 1, wenn die Klappe in einem Durchbruch einer Mauer eingemörtelt wird.The housing 1 has five parallel rows of slot-shaped recesses 9 in the partial area which extends along the circumference of the valve leaf 3 in the closed state. The slot-shaped recesses 9 of a row are separated from one another by webs 10, the webs 10 of adjacent rows being arranged offset from one another. This design serves to worsen the heat transfer in the event of a fire from the end of the flap facing the fire to the end of the flap facing away from the fire. The adhesive tape also prevents the penetration of mortar water into the interior of the housing 1 when the flap is mortared into an opening in a wall.

Wie den Fig. 1 bis 3 zu entnehmen ist, weist der Lagerstift 6 endseitig einen Kopf 11, der in den dargestellten Ausführungsbeispielen als Flachkopf ausgebildet ist, auf. Der Durchmesser des Kopfes 11 ist größer als der Durchmesser der Ausnehmung 5 in dem Gehäuse 1, so dass der Kopf 11 ein zu weites Einführen des Lagerstiftes 6 verhindert. Selbstverständlich ist auch eine Ausgestaltung mit einer anderen Kopfform, beispielsweise Halbrundkopf, möglich. Ein Halbrundkopf hat im Schnitt gesehen eine halbkreisförmige Ausgestaltung.Like that Figs. 1 to 3 As can be seen, the end of the bearing pin 6 has a head 11 which, in the exemplary embodiments shown, is designed as a flat head. The diameter of the head 11 is greater than the diameter of the recess 5 in the housing 1, so that the head 11 prevents the bearing pin 6 from being inserted too far. Of course, an embodiment with a different head shape, for example a button head, is also possible. A button head has a semicircular configuration when viewed in section.

Die Fig. 4 bis 6 zeigen ein Ausführungsbeispiel, bei dem der Lagerstift 6 als Nagel ausgebildet ist. Bei der Montage wird der Lagerstift 6 zunächst durch die Ausnehmung 5 in dem Gehäuse 1 geführt und anschließend in das Klappenblatt 3 getrieben. Auf diese Weise erzeugt der Lagerstift 6 seinen Freiraum 7 in dem Klappenblatt 3 selbst. Der Lagerstift 6 ist bei einer solchen Ausgestaltung drehfest in dem Klappenblatt 3 fixiert.The Figures 4 to 6 show an embodiment in which the bearing pin 6 is designed as a nail. During assembly, the bearing pin 6 is first guided through the recess 5 in the housing 1 and then driven into the flap leaf 3. In this way, the bearing pin 6 creates its free space 7 in the flap leaf 3 itself. In such a configuration, the bearing pin 6 is fixed in the flap leaf 3 in a rotationally fixed manner.

Bei dem dritten Ausführungsbeispiel, das in den Fig. 7 bis 10 dargestellt ist, ist der Lagerstift 6 der in Fig. 8 linken Lagerstelle integraler Bestandteil des Klappenblattes 3. Die rechte Lagerstelle kann wie bei dem vorbeschriebenen ersten oder zweiten Ausführungsbeispiel ausgebildet sein. In dem dargestellten Ausführungsbeispiel ist für die rechte Lagerstelle zunächst ein Freiraum 7 - beispielsweise durch Bohren - in die Kante 4 des Klappenblattes 3 eingebracht worden, in den dann der Lagerstift 6 eingeführt wird. Der Lagerstift 6 ist nicht drehfest gegenüber dem Klappenblatt 3. Durch das Sicherungselement 8, das vorliegend als Klebeband ausgebildet ist, ist der Lagerstift 6 gesichert. Durch das Sicherungselement 8 wird insoweit eine Verlagerung des Lagerstiftes 6 zumindest nach außen und damit eine Verlagerung des Lagerstiftes 6 aus dem Freiraum 7 des Klappenblattes 3 heraus verhindert.In the third embodiment shown in Figures 7 to 10 is shown, the bearing pin 6 is the in Fig. 8 The left bearing point is an integral part of the flap leaf 3. The right bearing point can be designed as in the first or second exemplary embodiment described above. In the illustrated embodiment, there is initially a free space 7 for the right bearing point - for example by drilling - has been introduced into the edge 4 of the valve leaf 3, into which the bearing pin 6 is then inserted. The bearing pin 6 is not rotationally fixed with respect to the flap leaf 3. The bearing pin 6 is secured by the securing element 8, which in the present case is designed as an adhesive tape. The securing element 8 prevents the bearing pin 6 from being displaced at least to the outside and thus preventing the bearing pin 6 from being displaced out of the free space 7 of the flap leaf 3.

In den Fig. 11 bis 13 ist ein Ausführungsbeispiel dargestellt, bei dem die Lagerstifte 6 der beiden gegenüberliegenden Lagerstellen einteilig ausgebildet sind. Der durchgehende Lagerstift 6 weist einen Kopf 11 auf. Bei der Montage wird zunächst das dem Kopf gegenüberliegende Ende des Lagerstifts 6 durch die Ausnehmung 5 und dann durch den durchgehenden Freiraum 7 in die gegenüberliegende Ausnehmung 5 geführt. Der Lagerstift 6 kann drehfest oder nicht drehfest gegenüber dem Klappenblatt 3 angeordnet sein.In the Figures 11 to 13 an embodiment is shown in which the bearing pins 6 of the two opposite bearing points are formed in one piece. The continuous bearing pin 6 has a head 11. During assembly, the end of the bearing pin 6 opposite the head is first guided through the recess 5 and then through the continuous free space 7 into the opposite recess 5. The bearing pin 6 can be arranged non-rotatably or non-rotatably with respect to the flap leaf 3.

In Fig. 14 ist ein Ausführungsbeispiel eines Lagerstiftes 6 dargestellt, der ausschließlich formschlüssig in dem Freiraum 7 des Klappenblattes 3 gehalten ist. Der Lagerstift 6 weist eine pfeilartig ausgebildete endseitige Verdickung 12 auf, wobei der korrespondierende Freiraum 7 eine korrespondierende Kontur aufweist. Da die Innenabmessungen des Freiraums 7 etwas größer als die Außenabmessungen der pfeilartig ausgebildeten Verdickung 12 sind, ist der Lagerstift 6 nicht drehfest gegenüber dem Klappenblatt 3 angeordnet. Durch den Formschluss wird eine Verlagerung des Lagerstiftes 6 gegenüber dem Klappenblatt 3 und damit ein unbeabsichtigtes Lösen verhindert.In Fig. 14 an exemplary embodiment of a bearing pin 6 is shown, which is held exclusively in a form-fitting manner in the free space 7 of the flap leaf 3. The bearing pin 6 has an arrow-shaped end thickening 12, the corresponding free space 7 having a corresponding contour. Since the inner dimensions of the free space 7 are somewhat larger than the outer dimensions of the arrow-like thickening 12, the bearing pin 6 is not arranged non-rotatably with respect to the flap leaf 3. The positive fit prevents the bearing pin 6 from being displaced with respect to the flap leaf 3 and thus preventing unintentional loosening.

Fig. 15 zeigt ein Ausführungsbeispiel, bei dem der Lagerstift 6 reibschlüssig und formschlüssig in dem Freiraum 7 des Klappenblattes 3 gehalten wird. So weist das Ende des Lagerstiftes 6, das sich in dem Freiraum 7 des Klappenblattes 3 befindet, eine Verdickung 12 mit außenseitigen Rillen 13 auf. Die Rillen 13 sind mit der Innenfläche des Freiraumes 7 in Kontakt, so dass eine reibschlüssige Verbindung besteht. Die Verdickung 12 bewirkt in Verbindung mit der korrespondierenden Ausgestaltung des Freiraums 7 einen Formschluss. Fig. 15 shows an exemplary embodiment in which the bearing pin 6 is held in the free space 7 of the flap leaf 3 in a frictionally and positively locking manner. The end of the bearing pin 6, which is located in the free space 7 of the flap leaf 3, has a thickening 12 with grooves 13 on the outside. The grooves 13 are in contact with the inner surface of the free space 7, so that there is a frictional connection. The thickening 12, in conjunction with the corresponding configuration of the free space 7, creates a form fit.

Claims (11)

  1. Damper, in particular a fireproof damper, with a housing (1) exhibiting a preferably circular or rectangular flow cross-section and with damper sheet (3) mounted such as to pivot about a pivot axis (2), with a circumferential edge (4), wherein, for the mounting of the damper sheet (3) two opposed bearing points forming the pivot axis (2) are provided, and wherein at least one bearing point is formed on the one hand by a cut-out opening (5) provided in the housing (1) and, on the other, by a bearing pin (6), and wherein the bearing pin (6) on the one hand projects by at least one region into the cut-out opening (5), and by at least one part region into a free space (7) of the damper sheet (3), such that the bearing pin (6) of at least one bearing point is secured by means of at least one securing element (8) arranged outside the housing (1), wherein the securing element (8) prevents a displacement of the bearing pin (6) at least outwards, and preferably exclusively outwards, and therefore prevents a displacement of the bearing pin (6) out of the free space (7) of the damper sheet (3), and such that the at least one securing element (8) is configured as an adhesive strip, the adhesive strip covers the bearing pin (6) and is adhesively bonded directly onto the surface of the housing (1) arranged around the bearing pin (6), such that at least one bearing pin (6) comprises on its end side a head (11), which projects on the outside opposite the housing (1), that the diameter of the head (11) is greater than the diameter of the cut-out opening (5) in the housing (1), such that the head (11) prevents too far a penetration of the bearing pin (6), and that, preferably, also the bearing pin (6) of the at least bearing point is held by frictional engagement and/or by positive fit in the free space (7) of the damper sheet (3).
  2. Damper according to the preceding claim, characterised in that at least one securing element (8) is fixed opposite the housing (1), preferably on the outside of the housing (1), and takes effect on the end of the bearing pin (6) which is located in the cut-out opening (5).
  3. Damper according to any one of the preceding claims, characterised in that at least one securing element (8) entirely surrounds the housing (1) on the outside.
  4. Damper according to any one of the preceding claims, characterised in that the head (11) of at least one bearing pin (6) is configured as a flat head or semicircular head.
  5. Damper according to any one of the preceding claims, characterised in that at least one bearing pin (6) is formed as a nail.
  6. Damper according to any one of the preceding claims, characterised in that the bearing pin (6) of at least one bearing point is an integral constituent part of the damper sheet (3).
  7. Damper according to any one of claims 1 to 6, characterised in that the bearing pins (6) of the two opposing bearing points are configured as being of one piece.
  8. Damper according to any one of the preceding claims, characterised in that the housing (1) comprises on its inner side a part region extending along the circumference of the damper sheet (3) when in the closed state, and comprises a part region provided with material which expands when subjected to the effect of heat.
  9. Damper according to the preceding claim, characterised in that the width of the material preferably corresponds at least to approximately the thickness of the damper sheet (3).
  10. Damper according to any one of the preceding claims, characterised in that, in the closed state of the damper sheet (3), a circumferential movement gap is provided between the outer edge of the damper sheet (3) and the inner surface of the housing (1) or of the material which has not yet expanded due to the effect of heat.
  11. Damper according to any one of the preceding claims, characterised in that the damper sheet (3) comprises on the outside, on its edge (4), a seal, in particular a seal configured as a cold seal.
EP17157630.9A 2017-02-23 2017-02-23 Damper, especially fireproof damper Active EP3366356B8 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17157630.9A EP3366356B8 (en) 2017-02-23 2017-02-23 Damper, especially fireproof damper
ES17157630T ES2883100T3 (en) 2017-02-23 2017-02-23 Damper, especially fire damper
PL17157630T PL3366356T3 (en) 2017-02-23 2017-02-23 Damper, especially fireproof damper
DK17157630.9T DK3366356T3 (en) 2017-02-23 2017-02-23 Flap, especially fire protection flap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17157630.9A EP3366356B8 (en) 2017-02-23 2017-02-23 Damper, especially fireproof damper

Publications (3)

Publication Number Publication Date
EP3366356A1 EP3366356A1 (en) 2018-08-29
EP3366356B1 true EP3366356B1 (en) 2021-05-19
EP3366356B8 EP3366356B8 (en) 2021-09-01

Family

ID=58162479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17157630.9A Active EP3366356B8 (en) 2017-02-23 2017-02-23 Damper, especially fireproof damper

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Country Link
EP (1) EP3366356B8 (en)
DK (1) DK3366356T3 (en)
ES (1) ES2883100T3 (en)
PL (1) PL3366356T3 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410561B2 (en) * 1974-03-06 1976-11-18 Schako Metallwarenfabrik Ferdinand Schad Kg, 7201 Kolbingen FIRE PROTECTION FLAP FOR VENTILATION SYSTEM
DE2708109A1 (en) * 1977-02-25 1978-08-31 Schako Metallwarenfabrik Fire barrier flap for ventilating duct - has swivel mounting in frame forming closed duct outside with strips as seals set in frame recesses
DE4008686A1 (en) * 1990-03-17 1991-09-19 Schako Metallwarenfabrik FIRE PROTECTION VALVE
DE202007013909U1 (en) * 2007-10-05 2008-02-28 Trox Gmbh Flap, in particular fire damper
IT1391497B1 (en) * 2008-10-28 2011-12-23 Mp3 S R L FIRE RESISTANT DAMPER WITH HOUSINGS FOR THE PIN MADE FROM THE UNION OF TWO TUBULAR ELEMENTS AND ASSEMBLY METHOD OF THE ABOVE SHUTTER CUTTER
EP2778554A1 (en) * 2013-03-11 2014-09-17 TROX GmbH Shutoff valve for use in a conduit of an air conditioning system or a mechanical smoke ventilation assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3366356B8 (en) 2021-09-01
EP3366356A1 (en) 2018-08-29
ES2883100T3 (en) 2021-12-07
DK3366356T3 (en) 2022-01-17
PL3366356T3 (en) 2021-11-22

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