EP0429764B1 - Brandschutzverglasung - Google Patents

Brandschutzverglasung Download PDF

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Publication number
EP0429764B1
EP0429764B1 EP90115898A EP90115898A EP0429764B1 EP 0429764 B1 EP0429764 B1 EP 0429764B1 EP 90115898 A EP90115898 A EP 90115898A EP 90115898 A EP90115898 A EP 90115898A EP 0429764 B1 EP0429764 B1 EP 0429764B1
Authority
EP
European Patent Office
Prior art keywords
fire
glazing according
wedges
retardant
wedge
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.)
Expired - Lifetime
Application number
EP90115898A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0429764A1 (de
Inventor
Holger Grünhage
Roland Dr. Leroux
Jürgen Dr. Thürk
Lothar Frenz
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.)
Schott AG
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
Schott Glaswerke AG
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 Carl Zeiss AG, Schott Glaswerke AG filed Critical Carl Zeiss AG
Priority to AT90115898T priority Critical patent/ATE90993T1/de
Publication of EP0429764A1 publication Critical patent/EP0429764A1/de
Application granted granted Critical
Publication of EP0429764B1 publication Critical patent/EP0429764B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
    • E06B3/585—Fixing of glass panes or like plates by means of borders, cleats, or the like adjustable, e.g. for accommodating panes of various thickness, or with provisions for altering the clamping force on the pane
    • E06B3/5857—Fixing of glass panes or like plates by means of borders, cleats, or the like adjustable, e.g. for accommodating panes of various thickness, or with provisions for altering the clamping force on the pane the fixing being adjustable, e.g. in one of several possible positions
    • E06B3/5864—Fixing of glass panes or like plates by means of borders, cleats, or the like adjustable, e.g. for accommodating panes of various thickness, or with provisions for altering the clamping force on the pane the fixing being adjustable, e.g. in one of several possible positions with adjusting screws, wedges or cams

Definitions

  • the invention relates to fire protection glazing, consisting of a frame and / or facade profiles acting as a frame, in which at least one pane with associated seals or supporting strips made of inorganic or organic material is clamped over at least one glass retaining strip arranged at the edge.
  • fire protection glazing was therefore developed, whose frame systems prevent the panes from slipping out of the frame.
  • fire protection glazing in accordance with DIN 4102, consisting of a metallic, wood or silicate frame with associated glass retaining strips and at least one transparent, homogeneous, reinforced or composite pane, as single or multiple pane glazing made of glass or Glass ceramic, as well as associated organic and / or inorganic seals or supporting tapes, and with one accommodated in the edge region of the pane (s), at least on one side of the pane (s), between the glass holding strip or a corresponding frame part and the pane (s), means that expands under the influence of heat, possibly with a seal arranged between the pane (s) and this means, this means, when the fire sets in, between the frame and the pane edge and / or between the glass retaining strip and the pane edge, possibly under Interposition of a further seal or metallic intermediate layers is arranged there a sufficiently high pressure between the wafer edge and glass retaining strip or a corresponding frame portion perpendicular to the disk surface such that builds
  • the fire resistance times will be different on the same components, depending on the practical conditions that arise, in the event of a fire.
  • the object of the invention is to find fire protection glazing that is simple and inexpensive to manufacture and assemble, in which an additional contact pressure arises only in the event of a fire and in which the contact pressure and the contact time can be varied in a simple manner, so that the pressure is particularly effective when the pane softens and threatens to slip out and at which the contact pressure remains effective, especially after a long fire.
  • Another object of the present invention is to design the fire protection glazing with movable clamping means in such a way that the clamping means cannot slide back even if the effect of the pressure medium changes.
  • the wedges represent movable glass retaining strips (slide strips) that hold the pane in the frame in the event of a fire.
  • the force acting on the driving surface of a wedge ensures that when the disc, frame or rebate seals change dimensions, the wedge is pushed in at the clamping point and thus there is always a sufficient clamping force available to prevent the disc from slipping out of the frame.
  • the force acting on the driving surface of the wedge can act continuously, e.g. a spring, a gas spring or an organic spring element. With these spring elements, it must be ensured by suitable arrangement and thermal insulation that the spring action is not lost or is lost very late in the event of a fire. However, it is also possible and usually preferred to generate this force only in the event of a fire.
  • the particular advantage of this solution is that only in the event of a fire, i.e. If the pane no longer has inherent stability, or if the frame or the rebate seals change their dimensions, the edge of the pane is firmly clamped. All materials that generate a force when heated are available as a means of generating the force in the event of a fire.
  • agents which expand when heated in particular the known materials which generally act by elimination of water (vapor) or gas, such as vermiculites, zeolites, perlites, mica, but also alkali metal salts, boric acid, borate, silica or materials a content of aluminum hydroxide, such as are described in EP-OS 222 298.
  • Pyrolytic substances that decompose under the influence of heat e.g. expanded graphites, carbonates, aluminosilicates, etc.
  • mixtures of the above-mentioned substances are also suitable here.
  • Bimetal springs, memory metals or gas springs, in which the gas is only released in the event of a fire, can also be used to generate the force.
  • the wedge is preloaded by a permanent spring element, whereby in the event of a fire the permanent force acting on the driving surface is strengthened or replaced by a heat-activated force (intumescent mass, etc.).
  • the wedge is pressed up on a run-up slope (guide surface) and converts the force acting on the driving surface into a forward and sideways movement, the sideways movement serving to press the edge of the pane against the frame of the glazing.
  • the angle which the run-up slope forms with the surface of the disk is expediently dimensioned such that one wedge surface runs parallel to the disk surface and that the other wedge surface has full-surface contact with the run-up slope.
  • the reduction of the contact surface (sliding surface) to a few points has the advantage of a lower sliding resistance. This means that less pressure is required on the drive surface.
  • the wedge angle By selecting the wedge angle one can determine the extent of the sideways movement in relation to the forward movement of the wedge or in other words the pressure with which the disc is pressed against the frame at a certain pressure on the driving surface of the wedge.
  • the wedge angle is expediently chosen so that any slipping back of the wedge as the pressure on the driving surface of the wedge decreases is prevented by the existing static friction. This angle depends on the materials used for the sliding surfaces, in particular on the coefficient of static friction of the paired sliding surface. In the preferred frames with metal sliding surfaces, angles ⁇ 45 ° are preferably used. However, the angle can be greatly increased by using materials with higher static friction or a detent mechanism.
  • the angle can increase the strengthening effect of the wedge (ratio of pressure on the driving surface of the wedge to the lateral force exerted by the wedge Contact pressure on the disc) can be varied.
  • a small angle means a large gain
  • a large angle means a small gain.
  • Angles between 5 ° and 17 ° are particularly favorable.
  • the wedge is preferably designed as a metallic hollow profile, on the one hand because it reduces weight and on the other because the walls of a hollow wedge have a certain inherent spring effect, so that even after the intumescent effect has subsided, a contact pressure on the pane is maintained.
  • Materials with a temperature resistance of at least about 700 ° C. are preferred as the material for the wedge and the bevel.
  • steel or tubular steel profiles will be used, but sliding surfaces or solid profiles made of ceramic, glass ceramic, carbon or temperature-resistant metal alloys are also suitable.
  • Figures 1 and 2 show a frame made of a box-shaped base profile 8, which is provided with two glass-holding strips 4 and 5 also consisting of box-shaped profiles.
  • the glass holding strip 4 is provided with a run-on slope 9 for the wedge 3 designed as a hollow profile.
  • the disc is held in the frame by the wedge 3 in combination with the rebate seals 2, 2 'and the block 10.
  • the sealing strips 2,2 ' are made of non-combustible or flame-retardant material and are intended to rule out the direct contact of the frame with the pane 1 and, after assembly, to ensure that the pane is firmly seated due to its elasticity.
  • an intumescent material 6 is arranged in the rebate base, which expands in the event of a fire and moves the wedge 3 along the run-up slope 9 towards the center of the pane and thus presses against the rebate seal 2 and pane 1.
  • the arrangement of the intumescent material 6 in the rebate base has the advantage that no separate abutment is required for the intumescent material 6, that the intumescent material is also better protected against premature heating and that the part of the wedge pushed out of the rebate in the event of fire breaks the glass edge against direct heat radiation and Flame shades with the consequence of a lower temperature gradient in the peripheral zone of the pane.
  • the time of Inflation of the intumescent mass can also be influenced by the thermal conductivity of the material from which the wedge is made or its wall thickness. It is also possible to fill the cavity of the wedge, but also that of the glass retaining strip 4, with a fire protection compound.
  • Fire protection compositions can consist, for example, of cement, chamotte mortar, gel-like compositions with a high water content, in particular water-containing silicates, but also water-containing acrylates and polyacrylates. Such a measure is particularly advantageous if the intumescent mass is to react late. This is possible due to the increased thermal capacity of the wedge due to the filling and / or in the event of a fire due to the thermal output required for the evaporation of the water-containing fire protection compound. These measures can be used to prevent a predetermined temperature of the intumescent mass from being exceeded for a corresponding time.
  • FIG. 3 shows an embodiment in which the glass holding strip consists of two sections 4a and 4b, which are connected to one another in a form-fitting manner, for example locked.
  • the frame can be used without difficulty for panes of different thicknesses.
  • the initial clamping pressure acting on the pane can be varied, and different pane thicknesses can also be compensated for during assembly.
  • FIG. 4 shows the same pane structure as in FIG. 1, with the exception that in addition to the intumescent mass 6 acting on the wedge 3, there is also another intumescent mass 11 acting laterally on the pane.
  • the advantages associated with this embodiment lie primarily in the fact that a first contact pressure is generated very early and the wedge mechanism needs to be activated very late. This results in particularly stable glazing.
  • FIG. 5 shows a horizontal section of glazing, in which the driving-in direction of the wedges is not directed out of the fold (approximately towards the center of the pane), but runs parallel to the frame (same reference numbers as in FIGS. 1 to 4 contain the same parts).
  • a series of wedges 12 ', 13' lie one behind the other in the fold of the frame; 12, 13; 12 ′′, 13 ′′, the intumescent mass 6 of the wedge 13 being supported on the driving surfaces of the wedges 13 and 12 ′′.
  • the wedges or bevels 12, 12 'and 12' ' can be firmly connected to the glass retaining strip 5, but they can also be movable in the fold.
  • FIG. 1 shows a horizontal section of glazing, in which the driving-in direction of the wedges is not directed out of the fold (approximately towards the center of the pane), but runs parallel to the frame (same reference numbers as in FIGS. 1 to 4 contain the same parts).
  • Figure 6 shows a symmetrically designed glazing with two wedges 3 and 3 '. Such a design is advantageous if very high contact forces are required. In addition, the wedge facing away from the fire is delayed to the fire-facing wedge pressed against the glass, because the pressure medium on the side facing away from the fire will be activated later.
  • Figure 7 shows an embodiment in which the driving direction of the wedge 3 runs in the direction of the fold base. So that the intumescent mass 6 can take effect, the terminal strip 4 is provided with a web 14 which acts as an abutment and on which the expanding mass 6 can be supported. In this embodiment a very early response of the intumescent mass is ensured.
  • Figures 8 and 9 show glazing with multi-pane insulating glass, the wedge mechanism being designed analogously to Figure 1.
  • FIG. 10 shows glazing in which any slipping back of the wedge is prevented by a mutual locking mechanism of the sliding surfaces of the wedge and run-on slope.
  • the latching is shown very coarsely. In practice, in order to achieve the smallest possible locking steps, a much finer locking will be chosen.
  • the advantages of glazing are primarily that a very secure fixation of the pane in the event of a fire is achieved, the contact pressure on the pane edge in the event of a fire being able to be set within wide limits.
  • All known panes can be clamped, in particular toughened single panes, multi-pane insulating glass and laminated glass panes with organic or inorganic intermediate layers, which in the event of fire delay the passage of heat to the side facing away from the fire due to a physical or chemical reaction.
  • the structure and properties of the panes suitable for fire protection are well known to the person skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Special Wing (AREA)
EP90115898A 1989-11-27 1990-08-20 Brandschutzverglasung Expired - Lifetime EP0429764B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90115898T ATE90993T1 (de) 1989-11-27 1990-08-20 Brandschutzverglasung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3939149 1989-11-27
DE3939149A DE3939149C1 (enrdf_load_stackoverflow) 1989-11-27 1989-11-27

Publications (2)

Publication Number Publication Date
EP0429764A1 EP0429764A1 (de) 1991-06-05
EP0429764B1 true EP0429764B1 (de) 1993-06-23

Family

ID=6394260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90115898A Expired - Lifetime EP0429764B1 (de) 1989-11-27 1990-08-20 Brandschutzverglasung

Country Status (5)

Country Link
US (1) US5205099A (enrdf_load_stackoverflow)
EP (1) EP0429764B1 (enrdf_load_stackoverflow)
AT (1) ATE90993T1 (enrdf_load_stackoverflow)
DE (2) DE3939149C1 (enrdf_load_stackoverflow)
ES (1) ES2042160T3 (enrdf_load_stackoverflow)

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DE10009232B4 (de) * 2000-02-28 2004-02-26 Dorma Gmbh + Co. Kg Profilstab für das Haltern von Glasscheiben
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JP6700967B2 (ja) * 2016-05-19 2020-05-27 Ykk Ap株式会社 建具
CN106285337B (zh) * 2016-09-21 2018-05-04 广东顶固集创家居股份有限公司 一种玻璃夹具
US10753084B2 (en) 2018-03-15 2020-08-25 California Expanded Metal Products Company Fire-rated joint component and wall assembly
US11162259B2 (en) 2018-04-30 2021-11-02 California Expanded Metal Products Company Mechanically fastened firestop flute plug
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CN110821367B (zh) * 2018-08-20 2020-10-30 长荣金属科技(海安)有限公司 一种防火的隔热宿舍用安全门以及防火隔热方法
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US11268274B2 (en) 2019-03-04 2022-03-08 California Expanded Metal Products Company Two-piece deflection drift angle
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Also Published As

Publication number Publication date
ES2042160T3 (es) 1993-12-01
DE59001860D1 (de) 1993-07-29
US5205099A (en) 1993-04-27
DE3939149C1 (enrdf_load_stackoverflow) 1991-01-03
ATE90993T1 (de) 1993-07-15
EP0429764A1 (de) 1991-06-05

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