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EP0654578A1 - Elément de construction pour la prévention d'incendies avec une vitre - Google Patents

Elément de construction pour la prévention d'incendies avec une vitre Download PDF

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Publication number
EP0654578A1
EP0654578A1 EP94117223A EP94117223A EP0654578A1 EP 0654578 A1 EP0654578 A1 EP 0654578A1 EP 94117223 A EP94117223 A EP 94117223A EP 94117223 A EP94117223 A EP 94117223A EP 0654578 A1 EP0654578 A1 EP 0654578A1
Authority
EP
European Patent Office
Prior art keywords
fire protection
protection component
component according
glass pane
heat
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.)
Granted
Application number
EP94117223A
Other languages
German (de)
English (en)
Other versions
EP0654578B1 (fr
Inventor
Hans-Henning Nolte
Hans-Jürgen Ollech
Arthur John Pettit
David Raymond Goodall
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.)
Flachglas Wernberg GmbH
Original Assignee
Flachglas Wernberg GmbH
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
Priority claimed from GB939323831A external-priority patent/GB9323831D0/en
Priority claimed from DE19934339331 external-priority patent/DE4339331A1/de
Application filed by Flachglas Wernberg GmbH filed Critical Flachglas Wernberg GmbH
Publication of EP0654578A1 publication Critical patent/EP0654578A1/fr
Application granted granted Critical
Publication of EP0654578B1 publication Critical patent/EP0654578B1/fr
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

Definitions

  • the invention relates to a fire protection component with a glass pane with a circumferential protrusion edge, the protrusion edge having a heat-conducting pad on both surfaces.
  • the edge of the glass pane has a coating on both surfaces as a heat-conducting coating.
  • the heat-conducting coating is inserted into the receiving groove with the interposition of an insulating material, for example a fibrous filler material.
  • an insulating material for example a fibrous filler material.
  • the invention is based on the technical problem of considerably increasing the fire resistance duration in the case of a fire protection component of the construction described at the outset, even if the thermal stresses are extremely high in the event of a fire.
  • the subject of the invention is a fire protection component with a glass pane with a circumferential protrusion edge, the protrusion edge having a heat-conducting support on both surfaces, and the support being designed to dissipate high heat flows absorbed in the event of a fire into the support edge.
  • a first, starting from claim 1 further development of the invention provides that the support edge provided with the support is connected to a holding frame with a receiving groove for the cover edge glass retaining strips and a metal thermal bridge profile strip is provided on both sides of the cover edge, which, viewed in cross section, one Einstandsrandflansch, a cover portion and a radiant flange, in the event of fire, the thermal bridge profile on the fire side absorbs heat energy and on the opposite side releases heat energy transferred to the environment via the fillet edge of the glass pane.
  • the holding frame and the glass holding strips consist regularly of a suitable steel alloy or a suitable metal alloy. Basically, there is also the possibility to manufacture the holding frame from wood.
  • the glass holding strips can be molded onto the holding frame or placed as independent components.
  • the flanged edge is arranged between the coating of the flanged edge and the associated glass holding strip and adjoining the fitting edge, the cover section covers the assigned glass holding strip on the glass pane side and the radiation flange lies on the outside in front of this glass holding strip.
  • the glass pane is preferably prestressed.
  • the toughened glass pane consists, for example, of thermally or chemically toughened float glass, of toughened or non-toughened glass with low thermal expansion, for example borosilicate glass, or other suitable glasses.
  • the heat flow that is conducted over the edge of the glass pane ensures that the temperature gradient between the central area of the glass pane and the pane edge is initially kept as low as possible for a predeterminable period of time or a specifiable temperature range in the event of a fire. that the critical heating phase of the glass pane initiated by the fire is safely survived.
  • the temperature gradient described remains so large that the edge of the glass pane remains below the softening temperature for long periods.
  • the thermal bridge profile strip is on the fire side exposed to significant heat radiation and convection. On the opposite side, the thermal bridge profile strip is connected to the regularly colder environment there. In both cases, the heat transfer takes place through radiation and convection, but the heat flow must pass the edge of the glass pane, which remains stable over the long term due to the resulting cooling.
  • the edge of the glass pane preferably only has a heat-conducting coating on both surfaces, there is also the possibility of arranging it in such a way that the coating encompasses the edge of the mouth in a U-shape.
  • the coating can consist, for example, of sheet metal strips, of a sheet metal profile, of galvanic or vapor-deposited metal strips or of good heat-conducting enamelling. A high heat flow can be introduced into the initial edge due to the adjacent single-edge flange, despite the comparatively thin coating. If working with sheet metal strips or with a sheet metal profile, this sheet has a thickness of less than one millimeter, for example in the range from 0.2 to 0.6 mm.
  • etching removes microcracks, which could lead to premature fractures under fire stress. It is also within the scope of the invention between the thermal bridge profile strips and to arrange a thermal insulation material for the glass retaining strips.
  • the design of the thermal bridge profile strip and the coating of the fillet edge ensure that the fire protection components have a fire resistance duration of over 60 minutes, preferably over 90 minutes, in a fire test according to DIN 4102.
  • the thermal bridge profile strips consist of a highly thermally conductive metal alloy, the melting point of which is below the melting point of the glass pane.
  • the thermal bridge profile strips have a coat of paint of high IR absorption and IR emissivity, at least on the cover sections and radiation flanges.
  • the above-mentioned additional cooling effect can be achieved in that the thermal bridge profile strips and the coating are designed in such a way that the thermal bridge profile strips melt on the fire side at least in regions during the predetermined fire life, so that phase change cooling takes place.
  • a second, starting from claim 1 further development of the invention provides that the support is formed by a heat-conducting component with a receiving groove, which receiving groove receives the rim of the glass sheet, the side legs of the receiving groove with the two main sides of the glass sheets in thermal contact stand.
  • the heat-conducting component introduces heat into the contact edge of the glass pane via the contact area between the side legs of the receiving channel and the main sides of the glass pane.
  • the use of the heat-conducting component increases the thickness of the support compared to a coating, so that the heat conduction into the fillet edge is improved and even under high thermal stress there is no failure of the glass pane due to thermal stresses.
  • At least one side leg has a length that corresponds in terms of amount to the glass pane thickness or exceeds the glass pane thickness. It is understood that both side legs can be of the same length.
  • the heat-conducting component is preferably made of metal.
  • the metal thickness should be, for example,> 0.5 mm, preferably> 1 mm and particularly preferably about 2 mm.
  • the heat-conducting component does not have to be arranged on the entire circumference of the glass pane. Since cracking regularly occurs in the center of the longer side of the glass pane in the event of a fire, it is possible, for reasons of saving, not to provide the corners of the glass pane with the heat-conducting component.
  • the heat-conducting component is preferably arranged on at least two thirds of the circumference of the glass pane. It is advantageous to provide at least 80%, preferably at least 90% of the circumference of the glass pane with the heat-conducting component. It goes without saying that when the glass pane is completely encased by the heat-conducting component, an incorrect distribution of the heat-conducting component on the circumference is reliably avoided. It is further understood that the heat-conducting component can be arranged in sections on the circumference of the glass pane, not in a continuous manner.
  • the heat-conducting component is preferably made of extruded metal. With regard to assembly, it is advantageous if the heat-conducting component is preformed.
  • the receiving channel of the heat-conducting component can also have a base which is in thermal contact with the glass pane.
  • the receiving channel can have a U-shaped cross section.
  • the fire resistance of glass increases regularly with the thickness of the glass.
  • hardened glass with a thickness of at least 10 mm is preferably used. It is possible to provide the heat-conducting component with a web and to insert this web into the receiving groove, the glass pane being held in place outside the receiving groove by the side legs of the receiving channel of the heat-conducting component.
  • the glass pane preferably consists of toughened, in particular strongly toughened, glass.
  • the glass pane can also be designed as a multi-glazed glass pane unit, preferably as a double-glazed glass pane unit. It goes without saying that reinforced glasses and laminated glass can also be used.
  • the heat-conducting component is preferably inserted into the receiving groove in such a way that the side legs of the receiving channel are flush with the glass retaining strips.
  • a preferred embodiment of the invention provides that at least one side leg of the receiving groove protrudes beyond the glass retaining strip.
  • This side leg preferably protrudes at least 10 mm.
  • Another preferred embodiment provides for this side leg to be covered with a decorative cover.
  • This cover is preferably made of plastic, which melts in the event of a fire and thereby makes the heat-conducting component accessible to the heat radiation from the fire.
  • the decorative cover can be colored.
  • the heat-conducting component is preferably fixed on the circumference of the glass pane before being transported. This has the advantage that the heat-conducting component protects the covered area of the glass pane during handling, transport and glazing. This avoids mechanical damage that would in particular reduce the fire resistance of the glass pane. This applies in particular if toughened or tempered glass is used, in which a crack can lead to the pane breaking immediately or at a later point in time without warning. In this context, it is advantageous if the edge of the glass pane has micro cracks and cracking points are released. It is advantageous to toughen the glass pane after it has been cleared of microcracks and cracks, and then to insert the fillet into the heat-conducting component.
  • the fire protection component shown in the figures is equipped with a toughened glass pane 1 which has a circumferential fillet edge 2.
  • the lip 2 of the glass pane 1 has a heat-conducting support 5 on both surfaces.
  • the lip 2 is inserted into a metal holding frame 3 with a glass holding strip 4 forming a groove for the lip 2.
  • these are glass holding strips 4 independent components that are connected to the holding frame 3.
  • a metallic thermal bridge profile strip 6 is also provided on both sides of the fillet edge 2, which, viewed in cross section, has a fillet edge flange 7, a cover section 8 and a radiation flange 9.
  • the stand-up edge flange 7 is arranged between the support 5 of the stand-up edge 2 and the associated glass holding strip 4, abutting the stand-up edge 2.
  • the cover section 8 covers the associated glass holding strip 4 and the radiation flange 9 lies on the outside in front of this glass holding strip 4. In this way it is achieved that the thermal bridge profile strip 6 absorbs heat energy in the event of a fire on the fire side and heat energy transferred on the opposite side via the filler rim 2 of the glass plate 1 releases to the environment.
  • the support 5 comprises the edge 2 of the glass pane 1 in a U-shape.
  • the pad 5 consists of a sheet metal profile, but it could also be applied galvanically or by vapor deposition.
  • the pad 5 can also consist of a good heat-conducting enamel. It was not drawn that the edge 2 of the glass pane 1 can be pretreated by etching, so that microcracks are removed and the connection surface with the support 5 operates without the risk of cracking in the manner described.
  • a thermal insulation material 10 is arranged between the thermal bridge profile strips 6 and the glass retaining strips 4.
  • the thermal bridge profile strips 6 consist of a highly heat-conductive metal alloy, the melting point of which is below the melting point of the glass pane 1.
  • the thermal bridge profile strips 6 and the support 5 of the front edge 2 are designed so that the thermal bridge profile strip 6 melts at least in certain areas on the fire side during the predetermined fire resistance period.
  • a melting was indicated by dash-dotted lines in FIG. 1.
  • the fire protection component has a fire resistance duration in fire tests according to DIN 4102 of over 60 minutes, preferably of over 90 minutes.
  • the support 5 is formed by a heat-conducting component 5.
  • the heat-conducting component 5 has a receiving groove 11 which receives the edge 2 of the glass pane 1.
  • the two main sides of the glass pane are in thermal contact with the side legs of the receiving channel 11.
  • Prestressed soda-lime glass is preferably used for the glass pane 1, preferably with a thickness of 10 mm, but glass pane thicknesses in the range from 6 mm to 15 mm can also be used.
  • a particularly preferred material is strongly tempered soda lime glass.
  • Conventional toughened soda-lime glass is toughened in areas between 70 MPa and 85 MPa, while heavily toughened glass is toughened in areas above 85 MPa, the upper limit being determined by those for Bias used equipment is limited.
  • FIGS. 3 to 8 show, as further components of the glass pane structure, a holding frame 3 with setting blocks 12 and glass holding strips 4.
  • the holding frame 3 is made of wood, and the glass holding strips 4 are fixed on the holding frame by means of countersunk steel screws 13 .
  • the glass holding strips 4 can also be formed from the holding frame 3.
  • the holding frame 3 can also be made of metal.
  • the heat-conducting component 5 is separated from the glass retaining strips by thermal insulation material 10. It can be seen that the side legs of the receiving channel 11 have a length which corresponds to the thickness of the glass pane 1.
  • the heat-conducting component 5 is made of metal in FIG. 3 and has a thickness sufficient for heat conduction, preferably 2 mm.
  • the heat-conducting component 5 is made, for example, from aluminum or aluminum alloys or from stainless steel. It is preferably preformed. This preforming can be produced in any way, for example by cutting and bending. The heat-conducting component 5 can also be produced by extrusion. For a good thermal contact, an exact adaptation of the heat-conducting component 5 to the protrusion edge 2 of the glass pane 1 is necessary. At least the side legs of the receiving channel 11 should be in direct contact with the main sides of the glass pane 1. Basically, there is also the possibility of this contact through a highly heat-conductive, pasty or to improve adhesive substance between the receiving channel 11 and the glass pane 1.
  • the side legs of the receiving channel 11 are preferably pre-bent inwards, so that the heat-conducting component 5 is widened by the fillet edge 2 of the glass pane 1 and, in so far, an intimate and firm contact is achieved.
  • the heat-conducting component 5 can be arranged in sections on the circumference of the glass pane 1. This simplifies the assembly of the heat-conducting component 5.
  • the base of the receiving groove 11 is in thermal contact with the glass sheet 1. This will usually be the case if the heat-conducting component 5 is placed on the edge 2 of the glass sheet 1 without adhesive as described above. It is important that the heat-conducting component 5 can sufficiently absorb the heat radiation from the fire.
  • FIGS. 4 to 8 show advantageous configurations.
  • the side legs of the receiving channel 11 protrude above the glass retaining strips 4 and thus absorb radiant heat of the fire particularly quickly in the event of a fire.
  • the side legs preferably protrude at least 10 mm.
  • the protruding side legs are visible. They can have a decorative coating.
  • the protruding side legs of the receiving channel 11 of the heat-conducting component 5 are covered by a decorative cover 14.
  • the decorative cover 14 can consist of extruded metal or plastic and is designed so that it does not significantly reduce the heat absorption of the heat-conducting component 5. For this reason, metallic decorative covers 14 should be in direct contact with the thermally conductive one Component 5 or the side legs stand.
  • the decorative strips 14 are shaped such that they cover the glass retaining strips 4.
  • composite glass panes for example laminated glass panes or multi-glazed glass panes, can also be used.
  • 7 shows a glass pane 1 which is designed as a double-glazed glass pane unit.
  • the individual panes 15 and 16 of the glass pane are separated from one another by a spacer 17, which can be made of a durable material, for example of steel.
  • the sealing material 18 has a high temperature resistance and can be made of silicone, for example.
  • the individual pane 15 has the required fire resistance and preferably consists of strongly prestressed soda-lime glass, the inset edge 2 having been freed from microcracks and crack formation points.
  • the other single pane 16 can be made from conventional glass of reduced thickness. However, it goes without saying that both individual panes 15, 16 can also be fire-resistant in the manner described above.
  • the double-glazed glass pane unit is used as a glass pane 1 in the expanded receiving groove 11 of the heat-conducting component 5. Double-glazed glass pane unit and heat-conducting component 5 can be connected in a holding frame 3 as shown in FIGS. 3 to 6.
  • the fire protection component can be used by the glass panes 1, the thickness of which exceeds the width of the receiving groove formed by the glass retaining strips 4.
  • the heat-conducting component 5 is provided with a web 19 which is held in the receiving groove, while the glass pane 1 is fixed between the side flanks of the receiving groove 11 outside the receiving groove.
  • the web width is preferably selected so that it corresponds to the common glass pane thicknesses.
  • decorative covers 14 can also be used in the exemplary embodiment shown in FIG. 8.

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)
EP94117223A 1993-11-19 1994-11-01 Elément de construction pour la prévention d'incendies avec une vitre Expired - Lifetime EP0654578B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB939323831A GB9323831D0 (en) 1993-11-19 1993-11-19 Fire-resistant glazing
DE19934339331 DE4339331A1 (de) 1993-11-19 1993-11-19 Brandschutz-Bauelement mit einer Glasscheibe
GB9323831 1993-11-19
DE4339331 1993-11-19

Publications (2)

Publication Number Publication Date
EP0654578A1 true EP0654578A1 (fr) 1995-05-24
EP0654578B1 EP0654578B1 (fr) 1998-04-22

Family

ID=25931316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117223A Expired - Lifetime EP0654578B1 (fr) 1993-11-19 1994-11-01 Elément de construction pour la prévention d'incendies avec une vitre

Country Status (3)

Country Link
US (1) US5628155A (fr)
EP (1) EP0654578B1 (fr)
DE (1) DE59405781D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302902A (en) * 1995-06-29 1997-02-05 Hansen Fenlock Ltd Fire resistant glazing assembly
AT12767U1 (de) * 2011-06-21 2012-11-15 Peneder Immobilien Gmbh Brandschutz-pendeltür

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306541B (en) * 1995-11-01 1998-12-30 Jrm Doors Limited Internal doors
GB2340166B (en) * 1998-08-05 2003-01-15 Dixon Internat Group Ltd Glazing seal
EP1209314B1 (fr) * 2000-11-23 2004-06-09 Schörghuber Spezialtüren GmbH & Co. Betriebs-KG Porte-fenêtre en bois pare-feu T90
US20050210830A1 (en) * 2004-03-24 2005-09-29 Lee Anthony B Channel type frame adapter
DE102006050113A1 (de) * 2006-10-25 2008-04-30 Schott Ag Brandschutzverglasung
US20080245003A1 (en) * 2007-02-06 2008-10-09 Kon Richard Henry Hurricane door lite assembly, door, and related methods
US8683775B1 (en) * 2012-09-07 2014-04-01 Guardian Industries Corp. Spacer system for installing vacuum insulated glass (VIG) window unit in window frame designed to accommodate thicker IG window unit
JP6076821B2 (ja) * 2013-04-26 2017-02-08 三和シヤッター工業株式会社 板ガラスの取付構造
GB201409871D0 (en) * 2014-06-03 2014-07-16 Pilkington Group Ltd Fire resistant glazing screen
JP2016176244A (ja) * 2015-03-20 2016-10-06 Ykk Ap株式会社 防火建具
US10260277B2 (en) 2016-11-01 2019-04-16 Agc Automotive Americas R&D, Inc. Encapsulated glass frame assemblies and associated methods for forming same
EP3315336B1 (fr) 2016-11-01 2021-06-02 AGC Automotive Americas R & D, Inc. Ensembles de cadres de verre encapsulés et leurs procédés de fabrication associés
US9920566B1 (en) * 2016-11-01 2018-03-20 Agc Automotive Americas R&D, Inc. Encapsulated glass frame assemblies and associated methods for forming same
CA2988888C (fr) * 2016-12-16 2019-10-15 Pella Corporation Inclinaison de revetement de reserve

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE3044718A1 (de) 1979-11-27 1981-09-10 Bfg Glassgroup, Paris Lichtdurchlaessige glasscheibe
EP0079257A1 (fr) * 1981-10-14 1983-05-18 Saint Gobain Vitrage International Fenêtre à résistance au feu améliorée, et vitrage en verre pour cette fenêtre

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CA751697A (en) * 1967-01-31 Dominion Steel And Coal Corporation Frame construction
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US2808355A (en) * 1956-06-11 1957-10-01 North American Aviation Inc Glass enclosure
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US3201831A (en) * 1961-03-13 1965-08-24 Moynahan Bronze Company Window glazing construction
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US4257202A (en) * 1976-03-10 1981-03-24 Armcor Industries, Inc. Aluminum frame window with improved thermal insulation and method of making same
FR2355986A1 (fr) * 1976-06-24 1978-01-20 Saint Gobain Perfectionnement au montage des vantaux vitres
US5042212A (en) * 1988-09-12 1991-08-27 Selig Golen Security closure assembly
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044718A1 (de) 1979-11-27 1981-09-10 Bfg Glassgroup, Paris Lichtdurchlaessige glasscheibe
EP0079257A1 (fr) * 1981-10-14 1983-05-18 Saint Gobain Vitrage International Fenêtre à résistance au feu améliorée, et vitrage en verre pour cette fenêtre

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302902A (en) * 1995-06-29 1997-02-05 Hansen Fenlock Ltd Fire resistant glazing assembly
GB2302902B (en) * 1995-06-29 1998-12-23 Hansen Fenlock Ltd Fire resistant glazing
AT12767U1 (de) * 2011-06-21 2012-11-15 Peneder Immobilien Gmbh Brandschutz-pendeltür
EP2538014A2 (fr) 2011-06-21 2012-12-26 Peneder Immobilien GmbH Porte battante pare-feu

Also Published As

Publication number Publication date
US5628155A (en) 1997-05-13
EP0654578B1 (fr) 1998-04-22
DE59405781D1 (de) 1998-05-28

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