EP2939712B1 - Rideau pare-feu - Google Patents

Rideau pare-feu Download PDF

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Publication number
EP2939712B1
EP2939712B1 EP15164687.4A EP15164687A EP2939712B1 EP 2939712 B1 EP2939712 B1 EP 2939712B1 EP 15164687 A EP15164687 A EP 15164687A EP 2939712 B1 EP2939712 B1 EP 2939712B1
Authority
EP
European Patent Office
Prior art keywords
section
fire protection
fire
edge
overlap
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.)
Active
Application number
EP15164687.4A
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German (de)
English (en)
Other versions
EP2939712A1 (fr
Inventor
Stefan Siller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stoebich Brandschutz GmbH
Original Assignee
Stoebich Brandschutz GmbH
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Publication of EP2939712A1 publication Critical patent/EP2939712A1/fr
Application granted granted Critical
Publication of EP2939712B1 publication Critical patent/EP2939712B1/fr
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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

Definitions

  • the invention relates to a fire protection curtain according to the preamble of claim 1.
  • Such a fire curtain is used to foreclose a fire section of a building against another fire section so that a spreading of a fire is prevented at least for a predetermined time. It is known to wind the fire protection textile on exactly one winding shaft. This has the advantage that the fire curtain is particularly simple and can be easily manufactured. It is also known to build the fire curtain from several unconnected sections, which are wound on their own winding shaft. The winding shafts are synchronized. In such a system, the production of the fire protection element is particularly simple.
  • the DE 10 2011 116 411 A1 describes a smoke or fire protection device for forming an escape corridor in tunnels with a flexible protective element, which can be brought into a protective arrangement in which the protective element delimits the escape corridor and in a bearing arrangement in which the protective element is compact, and a plurality of segments which overlap each other at least in pairs at least when the protective element is in the protective arrangement.
  • the smoke or fire protection device is wound in the bearing assembly on a winding shaft.
  • the GB 2 311 007 A describes a flexible fire protection curtain with two outer layers and at least two insulation layers between the outer layers. Several parts of the fire curtain can be connected together and have a vertical overlap at the junction. The joint can be designed to dissolve when exposed to heat, to compress the fire curtain in the joint area and thus possibly existing ones To reduce heat bridges.
  • US 6,070,640 A describes a windable on a winding shaft fire curtain, which is provided with one or more openings to provide a passageway for people.
  • the openings may be in the form of slots that may form a vertical overlap within the fire screen.
  • the US 5,450,890 A describes a roll-up curtain for the most gas-tight distribution of rooms or for gas-tight closure of doors.
  • the curtain may be made of plastic or fabric and have vertical slots with overlap to allow passage of persons and objects.
  • the DE 1 074 253 A describes a folding shutter with mutually hingedly connected boards or lamellae, which are foldable in a harmonious manner in the vertical or horizontal direction and sliding on two extending in the folding direction joining members for the outer covering of window or door openings.
  • a fire protection curtain in which a wicket door is formed by a vertical slot in the fire protection textile. This slot is covered by a cover strip of fire protection textile, which is attached by means of fire-resistant hook and loop fasteners.
  • the invention has for its object to propose an improved fire protection curtain.
  • the invention solves the problem by a fire protection curtain having the features of claim 1.
  • connection dissolves in case of fire and no or only very small forces are transmitted in the horizontal direction in the plane in which the fire protection textile extends.
  • a force acting on the first or second section at the level of the released connection normal to the plane of extension thus results in no or a very small additional force on the lateral guidance. Consequently, there is at least partial decoupling of the forces acting on the sections on the one hand and the forces acting on the lateral guides on the other hand. This makes it possible to close openings with a large clear width with a fire protection curtain, without the side guides having to be significantly modified.
  • 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 fire protection curtain comprises a winding shaft
  • the fire protection curtain has exactly one winding shaft on which the fire protection element is wound up.
  • the fire protection curtain can be moved from a storage position by turning the winding shaft,
  • the fire protection curtain can be brought into a closed position in which the opening in the building is closed by rotating the winding shaft from a storage position in which the opening to be closed in a building is closed.
  • the fire protection curtain preferably has a side guide, in which the fire protection element is guided.
  • This lateral guide is designed such that it receives a force acting in a horizontal direction in an extension plane of the fire protection textile and force into the building in which the opening to be closed can initiate.
  • the first section and the second section adjoin one another in an overlap manner, that is to say that they contact one another flatly.
  • the overlap thus formed has a greater extent in the vertical direction according to the invention than in the horizontal direction.
  • a non-heat-resistant connection is understood in particular to mean a connection which at least essentially loses its mechanical strength as a result of the action of a temperature which is to be expected in the event of fire, but not during normal operation of the fire-protection curtain. By this is meant that, although a low residual strength can remain, but this is so low that the sections can be considered in a sufficiently good approximation as unconnected.
  • the non-heat-resistant compound can be formed, for example, by a non-heat-resistant thread or by a fire-resistant bonding or both.
  • the connection means a joint connection according to DIN 8593, in particular the compound is a textile joint connection and / or an adhesive bond.
  • other compounds of the invention are included, in particular rivet joints, but these often have the disadvantage that they apply relatively strong.
  • connection is designed such that in the event of fire, the sections are decoupled in the horizontal direction with respect to a force transmission at least over half of a height of the fire protection element.
  • an additional force which acts on one of the two sections at the level of the released connection, results in no or at least a significantly lower force acting in a horizontal direction on the other section, in particular this force is at most a third as large as the force that would act if the connection is not destroyed.
  • connection extends at least predominantly at an angle of at most 40 ° to the vertical.
  • connection does not run vertically in sections, for example horizontally, is decisive that a vertical overlap arises.
  • connection is interrupted and consists of several sub-connections. It is even possible that the connection is made up of partial connections, all of which run strictly strictly horizontally, with the totality of all partial connections running at said angle.
  • the section and the at least one section are formed by separate fire protection textile sections.
  • joining is understood in particular as joining according to DIN 8593.
  • the first portion and the at least one second portion form a vertically extending overlap, which is formed as a folded textile reserve.
  • This feature is understood in particular that the sections by at least one at least vertically extending connection are connected to each other, which is not resistant in case of fire. In case of fire, the non-permanent connection dissolves and thus releases a loop formed in the horizontal direction, which represents the overlap.
  • the overlap thus loosens, so that the textile reserve supplies the extra material that is necessary to bulge out the fire protection element.
  • Such an overlap has the advantage that the smoke-tightness of the fire curtain does not change significantly when the non-heat-resistant compound dissolves in case of fire. Nevertheless, the loosening overlap leads to a bulging of the fire protection element, so that the effective between the fire-facing side and the side facing away from the fire pressure difference can be absorbed by the fire protection element without the introduced into the side guide force increases significantly.
  • the first section is an edge section
  • the second section a center section
  • the fire protection element comprises at least a second edge section made of fire-resistant textile, wherein the center section between the first edge section and the second edge section is arranged and wherein the second edge portion and the middle portion are arranged vertically overlapping and are connected to each other by means of a non-heat-resistant at least in sections.
  • more than three sections are present and / or that more than two at least partially heat-resistant compounds are present.
  • at least one of the edge portions is attached directly to the side guide.
  • the fire protection curtain comprises a side guide, by means of which the fire protection element is guided. It is favorable if the at least one at least partially non-heat-resistant connection between the middle section and the edge sections is designed in such a way that that they dissolve, a bulging of the fire protection element in case of fire easier.
  • the first edge portion and the center portion form a first overlap, which at least partially becomes narrower downwards. It is particularly favorable if the first overlap has a greater width in the middle than at the top and / or bottom. Since the fire protection textile of the middle section is fixed at the top of the winding shaft and below usually on a baseboard and also the edge sections are usually attached to a side guide, the largest material requirement results in the bulging of the fire protection element in an environment of half Height of the fire protection element. In a preferred embodiment, it is therefore provided that the center section on at least one side has a bulbous shape, that is, that measured in the horizontal direction width of the center section in the developed state of the winding shaft initially increases and then decreases again ,
  • connection extends at least predominantly with respect to the height over which the non-heat-resistant compound extends, at an angle of inclination of at least 3 ° to the vertical.
  • This has the advantage that when winding onto the winding shaft, the axial positions along a longitudinal axis of the winding shaft differ in different winding layers of the resulting coil.
  • the fire protection element in the region of the compound is thicker than beyond Connection. Due to the non-zero angle of inclination, the additional thicknesses do not add up or only to a lesser extent, which reduces stresses in the fire protection element.
  • the invention thus also provides a fire protection curtain with a fire protection element comprising a first section and a second section each of fire protection textile and a winding shaft, wherein the sections are connected to one another with a connection are connected and wherein the compound extends at the angle of inclination of at least 3 ° to the vertical.
  • connection width is the width of the interval in which the connection lies and in which the fire protection element due to the compound has a thickness greater by at least 25% than outside the interval.
  • the first edge portion, the at least one center portion and the second edge portion are secured in register on the winding shaft.
  • the sections are sewn together in such a way that they run parallel to the longitudinal axis of the winding shaft. This is achieved, for example, by sewing the sections together in abutting fashion or by stitching the section or sections onto both adjacent sections or sewing them under both adjacent sections.
  • the center portion is formed so narrow that it serves as a connecting band between the other two sections.
  • the fire protection curtain has a baseboard to which the first edge portion and the at least one center portion are attached, wherein the baseboard an edge skirting section and at least one center skirting board section, wherein the edge section of the fire protection element is attached to the skirting board section and the at least one center section of the fire protection element is secured to the at least one center skirting board section and wherein the skirting board section and the at least Center baseboard section are connected together so that they are separable by bending in a horizontal plane.
  • the baseboard has a second edge baseboard portion, wherein the second edge portion of the fire protection element is attached to the second edge baseboard section and (c) wherein the second edge baseboard section and the middle baseboard section are interconnected such that the second edge skirting portion and the center skirting portion are separable by kinking in a horizontal plane.
  • a baseboard is particularly easy to transport and assemble.
  • the second baseboard section and the center baseboard section are positively connected to one another with respect to a bend in a vertical plane.
  • the baseboard comprises a connecting device for reversible, in particular non-positive and / or latching connection, of the first baseboard section with the second baseboard section.
  • the connecting device for reversible, in particular non-positive and / or latching connection of the first baseboard section with the second baseboard section.
  • the edge skirting section and the at least one central baseboard section are connected to one another in such a way that they remain connected to one another when the fire protection element is wound up.
  • the edge skirting section and the at least one central baseboard section are connected to one another in such a way that they remain connected to one another when the fire protection element is wound up.
  • the baseboard is designed so that the resulting stresses during winding are absorbed.
  • the edge baseboard section and the at least one center baseboard section move up and down at the same speed.
  • the edge baseboard section and the at least one central baseboard section are positively connected to one another with respect to a bending movement in a vertically extending plane.
  • a positive connection can absorb particularly large forces. It is particularly favorable if the at least one edge baseboard section and the at least one middle baseboard section are connected to one another with respect to a bending movement in a horizontally extending plane in a force-locking manner, in particular magnetically. In other words, there is a magnetic force between the skirting board portion and the center skirting portion.
  • Such a connection can be relatively easily detached by a person escaping, thus increasing the likelihood that the person will be able to escape through the wicket door.
  • the baseboard has a thermally activatable connection device which is formed so that when a predetermined activation temperature is exceeded, it connects the first edge baseboard section and the middle baseboard section firmly together.
  • the activation temperature is chosen so that when the activation temperature is exceeded, with high Probability can be assumed that no person can live on the brand-facing side more.
  • the activation temperature is 200 ° C.
  • the locking element when the activation temperature is exceeded, a locking element which prevents a bending movement in the horizontal plane moves.
  • the locking element is preferably driven by an activating device.
  • the activating device comprises intumescent material which pushes the locking element out of a rest position when it foams up.
  • the activating device comprises a spring, which is prevented by means of a retaining device from pressing the locking element from the rest position.
  • the retaining device may for example be a solder or a plastic element that loses its strength above the activation temperature so far that the locking element is moved from its rest position to an activated position in which the bending movement of theticianangnabitese is prevented relative to each other.
  • the thermally activated connection device thus ensures that the skirting board can absorb all the loads caused by the fire in case of fire. Nevertheless, the benefits of the split skirting in non-fire persist.
  • the invention solves the problem also by a building having an opening, and a fire protection curtain according to the invention, which can be brought into a closed position in which the fire protection curtain closes the opening.
  • FIG. 1 schematically shows a part of a building 10 according to the invention, which has an opening 12 which is closable by means of a fire protection curtain 14 according to the invention.
  • the fire protection curtain 14 comprises a fire protection element 16, which is fastened for winding on a winding shaft 18, which has a winding shaft diameter d 18 .
  • the winding shaft can by a schematically drawn engine 20 are rotated so that the fire protection element 16 in a storage position in which the opening 12 is unlocked, and in a closed position in which the opening 12 is closed, can be brought.
  • the fire protection element 16 comprises a first section in the form of a first edge section 22, a second section in the form of a center section 24 and a third section in the form of a second edge section 26. It is possible and provided according to an alternative embodiment that a fire curtain 14 has a second, third or more center sections.
  • the first edge portion 22 is connected to the center portion 24 by a first connection 28, which is shown in dashed lines.
  • the connection 28 has a first section 30.1, in which the connection is not heat-resistant and dissolves under the action of fire heat.
  • the compound 28 is formed by a thread made of plastic, in particular polyester, polyamide, polypropylene and aramid.
  • connection 28 is heat-resistant.
  • first portion 30.1 is longer than 0.8 times a height h 12 of the opening 12. It is also possible that the connection 28 over the entire extent of which is not heat-resistant.
  • the second edge portion 26 is connected to the center portion 24 via a second connection 32.
  • the connection 32 is constructed like the connection 28 and formed in the present case by a seam.
  • FIG. 1 shows that the two sections in the form of the first edge portion 22 and the middle portion 24 form a first overlap 34, which is shown in dashed lines.
  • the overlap 34 tapers from top to bottom.
  • an edge side 36 of the center section 24 extends at an angle of inclination ⁇ of 5 ° to the vertical.
  • ⁇ the angle of inclination
  • the center portion 24 and the second edge portion 26 form a second overlap 38, which also tapers downwardly. It is possible and advantageous, but not necessary, for the second overlap 38 to be mirror-symmetrical to the first overlap 34.
  • the two overlaps 34, 38 have a greater height than width, the edge portions 22, 26 overlap the center portion 24 therefore vertically.
  • FIG. 1 shows that the fire curtain 14 a side guide, which includes a first side guide member 40.1 and a second side guide member 40.2.
  • the side guide elements 40.1, 40.2 receive the tensile forces Fz, which act in the horizontal direction in an extension plane E, along which the fire protection element 16 extends.
  • the sections 22, 24 are decoupled with respect to a power transmission in the horizontal direction, that is, along a horizontal H. This means that a compressive force acting on the fire protection element 16 in the normal direction N, which acts on the second section 24 at half the height h, does not change the tensile forces Fz significantly.
  • FIG. 1 also shows a baseboard 42, which is made in one piece.
  • FIG. 2a shows that the fire curtain may have a baseboard 42 having a first edge baseboard section 44, a center baseboard section 46, and a second edge baseboard section 46.
  • the first edge portion 22 is secured to the first edge baseboard portion 44, the center portion 24 to the middle baseboard portion 46 and the second edge portion 26 to the second edge baseboard portion 48.
  • FIG. 2b shows that the edge skirting section 44 and the central skirting section 46 are connected to each other such that they are separable by applying a release force F L , which in a horizontal plane, in the present case in the xz plane.
  • the result is a wicket door 50 through the fire protection element 16.
  • the middle chartologicalnabterrorism 46 is connected to the edge criticallyangnabterrorismen 44, 48, that a bend B in a vertically extending extension plane E, in which the fire protection element 16 extends, are positively connected ,
  • the baseboard 42 is rigid with respect to a bend in the plane E of extension.
  • FIG. 3 shows a detail view of the baseboard 42. It can be seen that the baseboard 42 has a magnet 52 which establishes a frictional connection between the first edge baseboard section 44 and the center baseboard section 46. The force of the magnet 52 can be overcome by the release force F L , so that the two relievernabête 44, 46 separate from each other. This condition is in FIG. 3 shown.
  • FIG. 3 also shows that the edge skirting section 44 and the center skirting section 46 each have a coupling structure which connects the two skirting sections in a form-fitting manner with respect to a bending movement B.
  • the connection between the central baseboard section 46 and the second peripheral baseboard section 48 (cf. FIG. 2 ) is the same.
  • FIG. 3 also shows that the baseboard 42 has a thermally activatable connection device 54, which has a locking element 56 and an activating device 58.
  • the activating device 58 consists of a cylindrical piece of intumescent material, which is arranged adjacent to the locking element 56.
  • heat activating device 58 exerts a squeezing force F A on the locking member 56, which is then pushed along a longitudinal axis L of the edge graduallyancenabterrorisms 44 and comes into positive connection with a latch receptacle 60 in the opposite Marieangnabterrorism is trained.
  • the baseboard 42 locked and can not be shared by the release force F L.
  • FIG. 4a shows that the first edge portion 22, the middle portion 24 and the second edge portion 26 are secured in register on the winding shaft 18.
  • the middle section 24 is sewn onto the first edge section 22 and the second edge section 26, respectively.
  • the thickness of the seams 28, 32 is exaggerated.
  • the connection 28 or run the compounds 28, 32 so that they do not come to lie one above the other during winding on the winding shaft 16.
  • FIG. 4b shows the fire curtain in the unwound state.
  • FIG. 5 schematically shows a cross section through a fire protection curtain 14 according to the invention, in which the edge portion 22 and the at least one central portion 24 form a vertically extending overlap, which is formed as a folded textile reserve.
  • the overlap formed as a loop is released.
  • the fire protection fabric which had previously been caught in the loop, becomes free and promotes bulging of the fire protection element 16.
  • FIG. 6 shows a fire protection curtain 14 according to the invention, in which the overlap 34 in the middle has a greater width B than above and / or below. It can also be seen that the angle of inclination ⁇ changes over the height h, but amounts to at least 3 ° to the vertical over more than half the length of the connections 28, 32.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (8)

  1. Rideau de protection anti-incendie, comportant
    (a) un élément anti-incendie (16) qui comprend
    - au moins une première portion (22) en textile anti-incendie, et
    - au moins une seconde portion (24) en textile anti-incendie,
    et
    (b) un arbre d'enroulement (18) pour enrouler et dérouler l'élément anti-incendie (16),
    (c) dans lequel les portions (22, 24) sont adjacentes l'une à l'autre par un chevauchement surfacique et sont reliées l'une à l'autre en se chevauchant verticalement,
    dans lequel
    (d) les portions (22, 24)
    - forment un chevauchement qui présente une extension plus grande en direction verticale qu'en direction horizontale, et
    - sont reliées l'une à l'autre au moyen d'une liaison (28) qui n'est pas réfractaire au moins localement.
  2. Rideau de protection anti-incendie selon la revendication 1,
    caractérisé en ce que
    la liaison (28) est réalisée de telle sorte qu'en cas d'incendie les portions (22, 24) sont découplées par rapport à une transmission de force en direction horizontale (H) au moins sur une moitié d'une hauteur (h16) de l'élément anti-incendie (16).
  3. Rideau de protection anti-incendie selon la revendication 1,
    caractérisé en ce que
    la première portion (22) et ladite au moins une seconde portion (24) forment un chevauchement vertical (34) qui est réalisé sous forme de réserve textile repliée.
  4. Rideau de protection anti-incendie selon l'une des revendications précédentes,
    caractérisé en ce que
    - la première portion est une portion de bord (22),
    - la seconde portion est une portion centrale (24), et
    - l'élément anti-incendie (16) comprend au moins une seconde portion de bord (22) en textile anti-incendie,
    - la portion centrale (24) est agencée entre la première portion de bord (22) et la seconde portion de bord (26), et
    - la seconde portion de bord (26) et ladite au moins une portion centrale (24) sont agencées en se chevauchant verticalement et sont reliées l'une à l'autre au moyen d'une liaison (32) qui n'est pas réfractaire au moins localement.
  5. Rideau de protection anti-incendie selon l'une des revendications 1 à 4,
    caractérisé en ce que
    la première portion de bord (22) et la portion centrale (24) forment un premier chevauchement (34) qui
    - devient plus étroit vers le bas et/ou
    - présente une largeur (B) au milieu qui est plus large que celle en haut et/ou en bas.
  6. Rideau de protection anti-incendie selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins sur la moitié de sa longueur, ladite au moins une liaison (28) s'étend sous un angle d'inclinaison (α) d'une valeur d'au moins 3° par rapport à la verticale.
  7. Rideau de protection anti-incendie selon l'une des revendications précédentes, comportant
    (a) une plinthe (42) qui comprend
    - une première portion de plinthe (44) sur laquelle est fixée la première portion (22), et
    - au moins une seconde portion de plinthe (46) sur laquelle est fixée la seconde portion (24),
    (b) la première portion de plinthe (44) et ladite au moins une seconde portion de plinthe (46) étant séparables par pliage dans un plan horizontal,
    (c) la plinthe comprenant un dispositif de liaison (54) pour la liaison réversible, en particulier par coopération de formes et/ou par enclenchement de la première portion de plinthe (44) avec la seconde portion de plinthe (46).
  8. Rideau de protection anti-incendie selon la revendication 7,
    caractérisé en ce que
    la première portion de plinthe de bord (44) et la portion de plinthe centrale (46) sont reliées l'une à l'autre par coopération de formes par rapport à un coudage (B) dans un plan vertical (E).
EP15164687.4A 2014-04-30 2015-04-22 Rideau pare-feu Active EP2939712B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014006226.0A DE102014006226A1 (de) 2014-04-30 2014-04-30 Brandschutzvorhang

Publications (2)

Publication Number Publication Date
EP2939712A1 EP2939712A1 (fr) 2015-11-04
EP2939712B1 true EP2939712B1 (fr) 2018-03-28

Family

ID=52997943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15164687.4A Active EP2939712B1 (fr) 2014-04-30 2015-04-22 Rideau pare-feu

Country Status (3)

Country Link
EP (1) EP2939712B1 (fr)
DE (1) DE102014006226A1 (fr)
ES (1) ES2675868T3 (fr)

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EP3954856A3 (fr) * 2020-08-10 2022-03-23 McKeon Rolling Steel Door Co., Inc. Store coupe-feu rétractable à segments multiples auto-obturant

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IT201600120846A1 (it) * 2016-11-30 2017-03-02 Sonia Cerretini Zanzariere
MX2019011464A (es) 2017-03-27 2019-11-01 Cornellcookson Llc Puerta contra incendios.
IT201900003617A1 (it) 2019-03-12 2020-09-12 C S Srl Cappa dotata di sistema tagliafuoco
DE102020114256A1 (de) 2020-05-27 2021-12-02 Rescue-Kompass GmbH Taktische Rauchschutztür

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Publication number Priority date Publication date Assignee Title
EP3954856A3 (fr) * 2020-08-10 2022-03-23 McKeon Rolling Steel Door Co., Inc. Store coupe-feu rétractable à segments multiples auto-obturant

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Publication number Publication date
EP2939712A1 (fr) 2015-11-04
DE102014006226A1 (de) 2015-11-05
ES2675868T3 (es) 2018-07-13

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