US20200173168A1 - Smoke barrier system - Google Patents

Smoke barrier system Download PDF

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Publication number
US20200173168A1
US20200173168A1 US16/477,589 US201816477589A US2020173168A1 US 20200173168 A1 US20200173168 A1 US 20200173168A1 US 201816477589 A US201816477589 A US 201816477589A US 2020173168 A1 US2020173168 A1 US 2020173168A1
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US
United States
Prior art keywords
glass panel
washer
barrier system
smoke barrier
smoke
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.)
Abandoned
Application number
US16/477,589
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English (en)
Inventor
Martin Vo
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS filed Critical Saint Gobain Glass France SAS
Publication of US20200173168A1 publication Critical patent/US20200173168A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/946—Protection against smoke or toxic gases
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/947—Protection against other undesired influences or dangers against fire by closing openings in walls or the like in the case of fire
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5436—Fixing of glass panes or like plates involving holes or indentations in the pane
    • 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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/165—Fireproof windows
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • E04B2/885—Curtain walls comprising a supporting structure for flush mounted glazing panels
    • 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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor

Definitions

  • the invention relates to the field of fire and/or smoke protection, and relates to a device to protect a person from smoke and/or fire.
  • Anti-smoke screens are, for example, known from the following applications GB1579848 and FR2931177. Wherein GB1579848 discloses a rodlike fastening in between a two plates screen and FR2931177 discloses a vertical sealing between two adjacent glass plates.
  • smoke barriers The function of smoke barriers is to control the movement of fire effluent within supporting constructions by forming a barrier.
  • the functions of active or manually deployed smoke barriers are identical to those of static smoke barriers, but they also have the ability to be retracted and concealed when not in use.
  • Typical functions of smoke barriers are:
  • the smoke barrier system includes at least two brackets, namely a first bracket and a second bracket, a glass panel and fastener means.
  • the glass panel includes at least two holes, respectively, openings.
  • the fastener means is equipped to fasten the bracket to the hole of the glass panel.
  • the fastener means are equipped to fasten a first bracket to a first hole of the glass panel and a second bracket to a second hole of the glass panel.
  • the brackets are equipped to be fixed to a supporting construction on which the smoke barrier system is installed and/or is to be installed.
  • the smoke barrier system further includes at least two first washer, wherein the washer, in particular the first washer, is arranged between the fastener means and the glass panel.
  • the washer is an intumescent washer.
  • the intumescent washer expands under thermal influence of a fire and/or hot gas, wherein the hot gas can be hot smoke. Under thermal influence, the washer can form a thermally insulating layer. Furthermore, under thermal influence the intumescent washer can build up additional pressure between the fastener means and the panel.
  • the intumescing washer can increase the holding force between the fastener means and the bracket upon thermal influence of fire and/or hot gas as the addition pressure.
  • the thermal insulation formed by the washer can prevent and/or reduce the thermal load on the holes and/or the fastener means.
  • the reduced thermal load can increase the stability respectively integrity of the smoke barrier system in the event of a fire, hot smoke and/or the impact of hot gases.
  • the integrity of the smoke barrier system can be viewed as the ability of the smoke barrier system to maintain its soundness for the purpose for which it is intended without the transmission of significant quantities of flames, hot smoke and/or hot gas to the non-exposed side of the smoke barrier system.
  • the smoke barrier system is a device to device to channel, contain and/or prevent the migration of smoke (fire effluent).
  • the smoke barrier system can also be called Smoke Curtains, Smoke Blinds and/or Smoke Screens.
  • the smoke barrier system can build a smoke reservoir.
  • the smoke reservoir is a region within the supporting construction limited or bordered by the smoke barrier system and/or structural elements of the supporting construction so has to retain a thermally buoyant smoke layer in the event of a fire.
  • the intumescent washer expands upon exposure to a fire, hot smoke and/or hot gases. Due to the expansion, the washer has a lower density after swelling as compared to the non-swollen washer.
  • the expansion can be directed in any direction, meaning it can be an isotropic expansion or an anisotropic expansion.
  • the glass panel includes two substantially parallel major surfaces areas
  • the major surface areas may also be called flat sides.
  • the edges of the two flat sides are connected to each other via an end side.
  • the end side has a smaller surface area than the flat sides, and a dimension of the end side corresponds to the thickness of the glass panel.
  • the term ‘end face’ is used for the circumferential area between the two flat sides, which is also called “edge” or “narrow side” of a glass panel, or a surface thereof.
  • An edge region of the glass panel which may be arranged close, respectively, closest to the supporting construction, can be also referred to as a fixation region. The edge region extends not only via the end face of the glass panel but also spreads over a region of the flat side adjacent to the end side.
  • temperature influence means that the temperature of the air, respectively, gas, is at least 80° C. or higher. Normal room temperature and slightly elevated summer temperature of approximately 40° C. is not considered as temperature influence.
  • the holes can be arranged in the edge region of the glass panel. This can enable a stable connection between the bracket and the glass panel as the bracket can have a minimised dimension extending between the supporting construction and the glass panel.
  • the holes can reach from one flat side of the glass panel to the opposite flat side of the glass panel.
  • the holes can be arranged essentially at a right angle with respect to the flat side of the glass panel.
  • the washer can be arranged around the holes. This allows for a simplified arrangement of the washer between the fastener means and the glass panel.
  • the washer can be a flat ring or perforated piece of solid material.
  • the flat perforated solid piece can have an arbitrary shape, for example a rectangular, hexagonal or a triangular shape.
  • the washer can prevent leakage and or distribute pressure acting on the glass panel.
  • the perforation of the washer can be aligned with the holes of the glass panel.
  • the washer in the context of this text can also include several pieces that are separately or together arranged between the fastener means and the glass panel.
  • the washer can include several piece, wherein said pieces have approximately similar thickness.
  • the pieces can be arranged around the holes such that the pieces are in adjacent contact with each other. It might also be the case that the pieces are not in contact with each other.
  • the pieces can also cover at least two opposite sides of the holes, wherein the opposite sides can be arranged on the same flat side of the glass panel.
  • the fastener means can clamp the glass panel to the bracket.
  • the fastener means is designed as bolt and the washer is arranged under the head of the nut or bolt clamping the glass panel to the bracket.
  • the outer diameter of the washer can be larger than the outer diameter of the holes. This can enable a pressure distribution on the glass panel surrounding the holes originating from the fastener means and/or the bracket. Furthermore, the washer can protect the holes in case of attack of thermal influence, as the washer can cover the holes and prevent a passing of the heat and/or smoke through the holes.
  • the supporting construction can be a connection to the roof, respectively, the ceiling.
  • the smoke barrier system can be fixed directly to the ceiling respectively roof, wherein the supporting construction can be view as ceiling respectively roof.
  • the smoke barrier system can include at least two brackets.
  • the glass panel can include at least two holes.
  • the fastener means can be designed to fasten a first bracket to a first hole of the glass panel and a second bracket can be fastened a second hole, and so on. This enables precise and stable fastening of the glass panel relative to the supporting construction.
  • the brackets can be essentially identical.
  • the size and/or positioning of the holes can correspond to each other. It is also possible that the positioning and/or size of the holes can determine orientational alignment of the glass panel in the supporting construction.
  • the smoke barrier system can include at least two first washers that are arranged close to the first bracket and respectively the second bracket between the fastener means and the glass panel. Additionally the smoke barrier system can include at least two second washers. The second washers are arrange opposite to the first washers, as explained above.
  • the washer can be arranged on the flat side of the glass panel respectively of the smoke barrier system facing the temperature influence.
  • the temperature influence can originate fire and/or hot gas.
  • the washer can be arranged such that it is facing the temperature influence.
  • the smoke barrier system can further including a second washer.
  • the second washer can be arranged between the fastener means and the glass panel.
  • the second washer can be arranged vis-à-vis of the first washer.
  • the second washer can as well as the first washer be an intumescent washer. This can enable an improvement of the stability of the smoke barrier system independent of the side from which the temperature influence occurs, as both sides of the holes can are covered by the intumescent washer.
  • the two washers can be essentially identical.
  • the smoke barrier system can include a grommet, wherein the grommet is arrangeable in the holes.
  • the grommet can enable a sealing of the holes.
  • the grommet is designed a guiding sleeve for guiding the fastener means through the holes.
  • the grommet can enable an isolation of the fastener means from the inner cross section of the holes.
  • the grommet can prevent, respectively, minimise the direct contact between the fastener means and the glass panel.
  • the isolation can be beneficial in case of temperature influence at the inner cross section of the holes can be enabled by the grommet. This means that in case of temperature influence the fastener means can start to heat up and the grommet can reduce the heat transferred to the glass panel.
  • the reduced temperature load on the glass panel can enable the smoke barrier system to resist the temperature influence for a longer period of time than without such an isolation.
  • the load of the fastener means can be distributed by the grommet.
  • the inner cross section of the grommet can at least partially correspond to the outer cross section of the fastener means.
  • the outer diameter of the grommet can essentially correspond to the inner cross section of the holes.
  • the smoke barrier system can be a static smoke barrier system.
  • a static smoke barrier system does not require additional power supply and is constantly operational.
  • the static smoke barrier is permanently fixed in its fire operational position.
  • smoke barriers can be categorised in the following categories: static smoke barrier with flexible material or rigid material and active smoke barrier with flexible material or rigid material.
  • Static smoke barriers can be fixed in their fire operational position at all times and according to their design classification (more details see below).
  • Static smoke barriers systems can be used as alternatives and/or additional to the elements of the supporting construction which could act as permanent static smoke barriers.
  • the glass panel can be a transparent and/or translucent glass panel. This enables a free and open view throughout the supporting construction. The view is not be blocked by an opaque glass panel. Nevertheless, ornaments and decorative and/or coloured prints can be arranged on the glass panel and shall not be excluded. Due to the transparent respectively translucent properties of the glass panel the whole supporting construction can occur more open and feel larger than with an opaque, non-transparent glass panel.
  • the glass panel can be a monolithic glass panel.
  • a monolithic glass panel can enable a simplified fixation of the smoke barrier system to the supporting construction, as a monolithic glass panel is lighter than a composite glass panel including at least two glass panel elements.
  • the glass panel can include glass.
  • the glass panel in particular the flat glass panel, in most cases can be considered as transparent glass panel.
  • the glass panel can also be a ceramic glass, in particular a vitroceramic.
  • the glass panel can be special bent glass panel. Thermally or possibly chemically prestressed glass can be particularly favourable.
  • a transparent glass panel can be based on polymer (e.g., from polycarbonates or polymethyl methacrylate (PMMA; acrylic glass), partially crystalline glass (ceramic glass) or composite systems with glass elements and plastic carriers, are also considered as alternatives to glass based on silicon oxide.
  • the glass panel can also include glass on a borosilicate basis.
  • the glass panel in particular a transparent and/or translucent glass panel, can include a silicon based glass, a borosilicate, vitroceramic, a polymer based panel and/or other types of glass.
  • the glass panel can include fire resistant respectively temperature resistant properties.
  • the glass panel can be a fire-resistant glazing.
  • fire-resistant glazing has a functional meaning and is not to be understood as being limited to certain materials (specifically: glass in the narrow context), but expressly also includes constructions with transparent or translucent glass panels of the above mentioned and other materials.
  • the glass panel can be the temperature resistant glass panel.
  • the smoke barrier system can be classified at least as a DH or D 600 smoke barrier according to EN 12101-1:2005+A1:2006.
  • the smoke barrier system can be a fire-rated smoke barrier system.
  • the fire-rated smoke barrier system is characterized by a fire resistance duration respectively fire resistant rating.
  • EN 12101-1:2005+A1:2006 established a standard for testing smoke barriers.
  • the temperature resistance or fire resistance can be considered as the ability of a smoke barrier system to form an effective barrier against the spread of flames, smoke and/or hot gas.
  • a temperature resistance can be defined as the minimum number of minutes during which the smoke barrier system in the examination meets the criteria of the standardized examination procedure with defined boundary conditions (EN 12101-1:2005+A1:2006). Accordingly, the temperature resistance can be determined under a certain temperature stress.
  • EN 12101-1:2005+A1:2006 requires an exposure of the smoke barrier system to a heat respectively temperature influence of 600° C. for the classification as a D 600 smoke barrier system. Higher temperature according to a standard heat curve (EN 1363-1:2012) are required for classification as DH smoke barrier system.
  • the classification of the smoke barrier system is a temperature-time classification.
  • the standard classification is a D 600 -class according to which the smoke barrier is exposed to a heat of 600° C.
  • An advanced smoke barrier system of the DH-class is exposed to a standard heat curve.
  • the smoke barrier system does not release flaming droplets or particles in the first ten minutes of the classification test.
  • Classification periods are indicated for each classification in minutes, wherein the classifying times: 30, 60, 90, 120, or longer are to be used.
  • the temperature resistance period respectively fire resistance period is thus defined by at least 30 minutes.
  • a temperature resistant smoke barrier system thus fulfils at least 30 minutes the appropriate criteria or requirements for temperature resistance.
  • the minimum criterion is the physical barrier.
  • a temperature smoke barrier system must therefore be classified at least as D 600 30.
  • Fire rated smoke barrier systems have to withstand the temperature of the standard heat curve and are classified as at least DH 30 smoke barrier system if fulfilling the corresponding requirements for at least 30 minutes. Accordingly, the fire rated smoke barrier system must therefore be classified at least as DH 30.
  • the smoke barrier system can be a fire-rated smoke barrier system according to the DH and/or D 600 classification.
  • the bracket can be designed for a point fixation of the glass panel. This enables for the precise positioning on the glass panel.
  • the bracket can fix the glass panel at a single point. In contrast to that rigid bracket does not fix the glass panel at several positions. Such a multiple fixation with one and/or multiple bracket would result in the necessity to provide a very precise conformity of fixing positions of the bracket and the glass panel. In the single fixation per bracket a certain margin is possible for precise fixation of the glass panel relative to the supporting construction.
  • the bracket can be designed as a retaining bar.
  • the retaining bar can extent along the edge region of the glass panel. In such an embodiment the retaining bar can be viewed as fastener means and the glass panel.
  • the intumescent washer can have a strip like shape and is arranged between the bar clamping the glass panel and the glass panel.
  • the smoke barrier system can include at least two panels. Each glass panel can be fixed to the supporting construction by a bracket and the glass panels are arranged adjacent to each other. The adjacent panels build a uniform smoke barrier system. The space between the adjacent panels is minimized to allow minor thermal expansion of the glass panels due to a temperature influence and to prevent the passage of fire, hot smoke and/or hot gas.
  • the method for fixing a smoke barrier system to a supporting construction includes the steps of:
  • the glass panel includes a hole, wherein the hole can be arranged in the edge region of the glass panel
  • intumescent washer wherein the intumescent washer expands under thermal influence of a fire and/or hot gas (for example hot smoke) and wherein the swollen washer can form a thermally insulating layer upon thermal influence,
  • a fire and/or hot gas for example hot smoke
  • the intumescent washer is arranged between the fastener means and the glass panel and the fastener means is inserted into the hole and though the intumescent washer, wherein the fastener means is clamping the glass panel against the brackets.
  • the smoke barrier system can be a smoke barrier system as descripted above.
  • the grommet can include a temperature sensitive material.
  • the temperature sensitive material can melt upon temperature influence.
  • the temperature sensitive material can melt at a temperature of 200° C.-300° C.
  • the temperature sensitive material can include a chlorophrene and/or a derivate thereof.
  • the glass panel can include at least two holes, a corresponding amount of brackets and grommets can be provided, wherein in each hole a grommet is inserted.
  • Each bracket can be fastened to one corresponding hole of the glass panel.
  • An additional, second intumescent washer can be provided, the additional, second washer can be arranged on the opposite side of the hole opposite to the first washer.
  • the fastener means can be inserted into the hole passing both washers arranged on opposing sides of the glass panel.
  • the fastener means can include a bolt, a nut and/or a clamping plate.
  • the intumescent washer can prevent and/or reduce the thermal load on the hole and/or the fastener means.
  • the grommet is protected from thermal influence of a fire and/or hot smoke as the intumescent washer can build an insulation layer protecting the grommet inside the hole. This can also prevent a self-ignition of the grommet during the thermal influence respectively fire test.
  • the intumescent washer can be used for cold fitting upon installation of the smoke barrier system at the supporting construction.
  • the cold fitting includes the fastening of the glass panel to the bracket.
  • the cold fitting enables the positioning of the glass panel as smoke barrier system in the cold state without being thermally influenced.
  • Cold fitting can be crucial for the installation of the smoke barrier system.
  • the smoke barrier system includes at least one bracket, at least one glass panel and fastener means.
  • the glass panel includes at least one hole.
  • the fastener means is equipped to fasten the bracket to the hole of the glass panel.
  • the bracket is equipped to be fixed to a supporting construction on which the smoke barrier system is installed and/or is to be installed.
  • the smoke barrier system further includes at least one first washer, wherein the washer is arranged between the fastener means and the glass panel.
  • the washer is an intumescent washer.
  • the intumescent washer expands under thermal influence of a fire and/or hot gas, wherein the hot gas can be hot smoke. Under thermal influence, the washer can form a thermally insulating layer. Furthermore, under thermal influence the intumescent washer can build up additional pressure between the fastener means and the glass panel.
  • the washer can be used in a smoke barrier system.
  • the washer is a intumescent washer.
  • the intumescent washer can be arranged between the bracket and the glass panel respectively between the fastener means and the glass panel.
  • the washer is equipped to increase a holding force respectively a holding pressure upon exposure to fire, hot smoke and/or hot gas.
  • the washer can be equipped to build an insulating layer upon exposure to fire, hot smoke and/or hot gas. The insulating layer can inhibit the breakage of the glass panel in the region of the hole.
  • the hole in the glass panel can also be viewed as opening.
  • FIG. 1 exploded view of a smoke barrier system
  • FIG. 2 a sectional drawing of a smoke barrier system
  • FIG. 2 b sectional drawing of a smoke barrier system
  • FIG. 3 plan view of the smoke barrier system.
  • FIG. 1 shows an exploded view of a smoke barrier system 1 .
  • the smoke barrier system 1 includes a bracket 2 , a glass panel 6 and fastener means 3 .
  • the glass panel 6 includes a hole 61 .
  • the bracket 2 is designed as elbow with an angle of approximately 90° between the two legs.
  • the bracket 2 is designed such that a first leg can be fixed to the supporting construction and the other, second leg can be fastened to the hole 61 of the glass panel 6 .
  • the smoke barrier system 1 further includes a grommet 5 , wherein the outer cross section of the grommet 5 essentially corresponds to the inner cross section of the hole 61 .
  • the grommet 5 is placed inside the hole 61 .
  • the grommet 5 stabilizes the fastener means 3 in the hole 61 .
  • the fastener means 3 include a bolt 31 , a nut 32 and a clamping plate 33 .
  • the nut 32 can be designed to engage with the second leg of the bracket 2 .
  • the engagement can be provide a locked orientation of the nut 32 relative to the second leg of the bracket 2 . Therefore, no wrench is needed to fasten the bolt 31 to the nut 32 .
  • the nut 32 has to be held by a wrench as the orientation relative to the second leg is not fixed (for example, see FIGS. 2 a and 2 b ).
  • the bolt 31 is placed onto the second leg of the bracket 2 and a first, intumescent washer 4 is placed on the bolt 31 .
  • the glass panel 6 with the grommet 5 in the hole 61 is arranged onto the bolt 31 .
  • a second, intumescent washer 4 is arranged on the bolt 31 on top of the hole 61 .
  • the clamping plate 33 can be arranged on the washer 4 and the bolt 31 can be fastened to clamp the glass panel 6 between the fastener means 3 (bolt 31 , nut 32 and/or clamping plate 33 ) and the second leg of the bracket 2 .
  • the bolt 31 and the clamping plate 33 can first be assembled together with the glass panel 6 and the washer 4 and afterwards be fastened to the bracket 2 .
  • the intumescent washer 4 can expand upon exposure to elevated temperature, respectively, upon thermal influence.
  • the thermal influence can originate form a fire and/or hot smoke.
  • the term temperature influence, respectively, thermal influence means, that the temperature of the air respectively gas is at least 80° C. or higher.
  • the washer 4 can form a thermally insulating layer.
  • the intumescent washer 4 can build up additional pressure between the fastener means 4 and the glass panel 6 .
  • the swollen washer 4 can prevent and/or reduce the thermal load on the hole 61 , the grommet 5 and/or the fastener means 3 .
  • the reduced thermal load can increase the stability of the smoke barrier system 1 in the event of a fire and/or the impact of hot gases.
  • FIGS. 2 a and 2 b assembled smoke barrier systems 1 are shown.
  • FIG. 2 a depicts an assembled smoke barrier system 1 similar to the one shown in FIG. 1 with a bent bracket 2 .
  • the bracket 2 shown in FIG. 2 b is designed as flat bar, wherein a first portion of the bar respectively first leg of the bar is fixed to the supporting construction. A second portion of the bar respectively second leg of the bar is fastened to the glass panel 6 .
  • FIG. 2 a shows a flush arrangement of the fastener means 3 , wherein in FIG. 2 b a non-flush configuration of the fastener means 3 is shown.
  • two tool are required to each in one side of the glass panel 6 to ensure secure fastening.
  • For the fastening of the flash arrangement ( FIG. 2 a ) only one tool is needed as the nut 32 can be locked in the bracket 2 . Accordingly, only the bolt 31 has to be tightened.
  • FIG. 3 shows plan view of the smoke barrier system including at least two glass panels 6 , wherein each glass panel 6 is fastened to two brackets 2 .
  • the brackets 2 are fixed to the supporting construction.
  • the two panels 6 are arranged adjacent to each other.
  • the adjacent panels 6 build a uniform smoke barrier system 1 .
  • the space between the adjacent panels 6 is minimized to allow minor thermal expansion of the panels 6 due to a temperature influence and to prevent the passage of fire and/or hot gas.
  • the space can be maximum 7 mm, in particular maximum 5 mm.
  • smoke barrier system 1 can include a glass panel with a size of 2 ⁇ 1.5 m respectively 1 ⁇ 1.6 m (w ⁇ h) for DH classification and 2.5 ⁇ 1.8 m (w ⁇ h) for D 600 classification. This maximum size significantly exceeds the size of commercially glass panels 6 used in a smoke barrier system 1 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Building Environments (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
US16/477,589 2017-01-16 2018-01-15 Smoke barrier system Abandoned US20200173168A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17151674.3 2017-01-16
EP17151674.3A EP3348728A1 (fr) 2017-01-16 2017-01-16 Système de porte coupe-fumée
PCT/EP2018/050809 WO2018130675A1 (fr) 2017-01-16 2018-01-15 Système coupe-fumée

Publications (1)

Publication Number Publication Date
US20200173168A1 true US20200173168A1 (en) 2020-06-04

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US16/477,589 Abandoned US20200173168A1 (en) 2017-01-16 2018-01-15 Smoke barrier system

Country Status (5)

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US (1) US20200173168A1 (fr)
EP (2) EP3348728A1 (fr)
DK (1) DK3568538T3 (fr)
PL (1) PL3568538T3 (fr)
WO (1) WO2018130675A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202217957D0 (en) * 2022-11-29 2023-01-11 Intumescent Systems Ltd Covers for electrical appliances
GB2625713A (en) * 2022-11-29 2024-07-03 Hoody Speaker Hoods Ltd Covers for electrical appliances

Citations (4)

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US20110225906A1 (en) * 2008-09-12 2011-09-22 Stephen John Kennedy Stepped structure
EP2520751A2 (fr) * 2011-05-05 2012-11-07 PROMAT GmbH Double vitrage pare-feu

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EP3568538A1 (fr) 2019-11-20
EP3348728A1 (fr) 2018-07-18
DK3568538T3 (da) 2021-01-18
WO2018130675A1 (fr) 2018-07-19
EP3568538B1 (fr) 2020-10-21
PL3568538T3 (pl) 2021-07-05

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