EP0250989B1 - Structural glass walling with joints formed from structural sealants and metal structures - Google Patents

Structural glass walling with joints formed from structural sealants and metal structures Download PDF

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Publication number
EP0250989B1
EP0250989B1 EP87108509A EP87108509A EP0250989B1 EP 0250989 B1 EP0250989 B1 EP 0250989B1 EP 87108509 A EP87108509 A EP 87108509A EP 87108509 A EP87108509 A EP 87108509A EP 0250989 B1 EP0250989 B1 EP 0250989B1
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EP
European Patent Office
Prior art keywords
glass
walling
structural
recesses
plates
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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
EP87108509A
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German (de)
French (fr)
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EP0250989A1 (en
Inventor
Manfredo Alessi
Carlo Alberto Zerboni
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Application filed by Individual filed Critical Individual
Priority to AT87108509T priority Critical patent/ATE57555T1/en
Publication of EP0250989A1 publication Critical patent/EP0250989A1/en
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Publication of EP0250989B1 publication Critical patent/EP0250989B1/en
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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
    • 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
    • E06B3/5427—Fixing of glass panes or like plates the panes mounted flush with the surrounding frame or with the surrounding panes

Definitions

  • This invention relates to structural glass walling and to the method for its installation.
  • the invention relates to structural glass walling in which the joint between the individual glass plates on the structural uprights is formed by structural sealants and supplemented by metal elements which are then surrounded by the sealant.
  • Structural glass walling of two basic types is known, namely the two-sided and four-sided types.
  • the two-sided structural glass walling is fitted with metal press clips which fix the individual glass plates at their top and bottom sides, whereas the other two sides are joined to the corresponding adjacent sides of the adjacent glass plates by structural sealants.
  • the said metal press clips create discontinuities in this glass walling, with the result that its appearance of continuity is interrupted horizontally or also vertically at each joint, and in addition its maintenance and cleaning become difficult.
  • the structural glass walling according to the present invention is characterised in that the individual facade glass plates comprise joints formed from structural sealants and from metal elements which engage said plates in recesses formed in their four side edges, said metal elements being fixed to an internal metal support structure.
  • Said structural glass walling is installed by forming the recesses in each of the four side edges of the facade glass plates, inserting into each recess one end of a metal joining element which is fixed in its turn to an internal metal support structure, then sealing the joint by means of synthetic polymer materials in order to form a connection which is fixed but enables the glass walling to slide relative to the structure by thermal expansion.
  • Figure 1 is a sectional plan view showing all the elements of a joint between two glass plates
  • Figures 2, 3 and 4 show those parts of the glass plates which participate in the joint
  • Figures 5 and 6 show a metal joining element in its main views.
  • the glass plate 2 comprises the recess 4 into which the arm 5' of the bracket 5 is inserted, the arm 5" of said bracket being screwed by the screw 6 to the element 7' of the structure 7.
  • the glass plate 9 which forms the continuation of the glass plate 2 in the facade, is fixed to the element 7' by the bracket 11 which is equal to the bracket 5 but is applied in the opposite direction and offset in height in order to prevent the two screwed arms being superposed on the structure so as to reduce the extent of their outward projection and simultaneously ensure that the individual glass plates are independent in terms of their fixing and/or possible future removal, which may be required for maintenance or any other reason.
  • section bar 7 and the inner glass plate 1 are spaced apart by a jointing bed generally of open-cell expanded polyethylene, they being connected together by an outer layer 13 of structural sealant.
  • the support block 14 is inserted into the vertical section between the end of the glass plate 1 and the element 7' .
  • a layer 15 of waterproofing silicone is applied over an internal jointing bed filling 16 generally of open-cell expanded polyethylene.
  • a filling 17 of sealant material is provided in the cavity 4 to ensure fixing between the glass plate 2 and arm 5' of the bracket 5 while allowing the glass plate to expand thermally relative to the main structure, thus acting as an elastic joint.
  • the glass plate 1 and glass plate 2 are kept spaced apart at the required distance by the spacer element 18 which contains within its interior dehydrating substances the purpose of which is to keep the gas within the enclosed space dry.
  • three joints can be applied to each side of square glass plates having a side of between 1.5 m and 1.8 m, they being distributed as shown in Figure 2 with their axes staggered on the side a with respect to the side b, and on the side c with respect to the side d, because on installation the side a has to abut against the corresponding side b and the side c has to abut against the corresponding side d in such a manner that the screwed arms of the brackets are not superposed, for the reasons already given in the description of Figure 1.
  • the recesses 4 provided in the side edges of the glass plates, as shown in the views of Figures 1, 3 and 4, are formed by milling followed by toughening of the glass to give the edges of the recess the necessary mechanical strength.
  • the depth and height of the recess depend on the glass plate thickness and the predicted operating loads for the structural walling facade.
  • the minimum depth of the recess is 3 mm, and its width varies preferably from 3 to 5 mm as the layer thickness varies from 8 to 12 mm. Its depth obviously varies in consequence.
  • the cavity can be formed directly by choosing the dimensions of the individual component layers such that the intermediate layer has a smaller side than the outer layers.
  • the recesses can be either located at precise points on the sides of the glass plates or can extend along the entire sides.
  • the metal bracket 5 is shown in front and side view in Figures 5 and 6 respectively.
  • the reference numerals 5' and 5" indicate respectively the arm inserted into the recess 4 provided in the glass plate and the arm fixed by screw to the element 7' of the support section 7.
  • the bracket 5 is constructed of stainless steel, preferably AISI 316, and its thickness, from 1 to 2 mm, depends on the thickness of the glass plate. It is apparent that other types of metal element can be used instead of the described bracket without leaving the scope of the invention.
  • a single metal strip can be used to form a direct joint between the glass plates 2 and 9 by engaging its ends in two corresponding recesses in the two glass plates, or by engaging pins fixed to its two ends in corresponding bores formed in the two glass plates.
  • bracket or said other metal elements can be fixed to the internal structure by means other than screws, for example by riveting or welding.
  • said bracket or strip can be made rigid with the internal structure in a manner mobile relative to the structural frame in order to allow elements of the walling to be opened by the conventional opening systems of the compass, rotation, butterfly or top or bottom hung type, obviously in any required direction, either upwards, downwards or sideways, and inwards or outwards.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Building Environments (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

Structural glass walling in which the individual facade glass plates comprise joints formed from structural sealants and from metal elements (5) which engage the facade glass plates (2)(3) in recesses (4) formed in their four side edges, to form a safety connection which mechanically supplements the chemical-physical connection formed by the structural sealants. Said metal elements (5) are fixed to an internal metal support structure (7), and said joints are sealed with synthetic polymer material (16) in order to form a connection which is fixed but which enables the glass walling to slide relative to the structure under thermal expansion.

Description

  • This invention relates to structural glass walling and to the method for its installation.
  • More particularly, the invention relates to structural glass walling in which the joint between the individual glass plates on the structural uprights is formed by structural sealants and supplemented by metal elements which are then surrounded by the sealant.
  • Structural glass walling of two basic types is known, namely the two-sided and four-sided types.
  • The two-sided structural glass walling is fitted with metal press clips which fix the individual glass plates at their top and bottom sides, whereas the other two sides are joined to the corresponding adjacent sides of the adjacent glass plates by structural sealants.
  • Four-sided structural glass walling fitted with metal press clips at all sides are also known from DE-U 8 508113.
  • The said metal press clips create discontinuities in this glass walling, with the result that its appearance of continuity is interrupted horizontally or also vertically at each joint, and in addition its maintenance and cleaning become difficult.
  • Four-sided glass walling is normally formed without any mechanical support for the fagade glass plates, the joints of which are made simply by means, of sealant.
  • Glass walling is thus obtained having the advantage of presenting a continuous surface, however justified doubts exist regarding the construction of buildings of considerable height by this method, due to the fact that the behaviour of these structures in the medium and long term is still not known, particularly with regard to the glass-sealant and sealant- aluminium joints.
  • The drawbacks of structural glass walling of the known art are obviated by the structural glass walling constructed in accordance with the present invention, which is of the four-sided type but, in contrast to that of the known art, has each facade glass plate anchored mechanically to the internal support structure. This glass walling has the advantage of forming a continuous outer surface while offering maximum guarantee of long-term mechanical strength.
  • The structural glass walling according to the present invention is characterised in that the individual facade glass plates comprise joints formed from structural sealants and from metal elements which engage said plates in recesses formed in their four side edges, said metal elements being fixed to an internal metal support structure.
  • Said structural glass walling is installed by forming the recesses in each of the four side edges of the facade glass plates, inserting into each recess one end of a metal joining element which is fixed in its turn to an internal metal support structure, then sealing the joint by means of synthetic polymer materials in order to form a connection which is fixed but enables the glass walling to slide relative to the structure by thermal expansion.
  • These and further characteristics and advantages of the structural glass walling and of the relative installation method according to the present invention will be more apparent from the detailed description given hereinafter with reference to the figures which show preferred embodiments of the invention by way of non-limiting example.
  • Figure 1 is a sectional plan view showing all the elements of a joint between two glass plates, Figures 2, 3 and 4 show those parts of the glass plates which participate in the joint, and Figures 5 and 6 show a metal joining element in its main views.
  • The joint of Figure 1 is applied to double glazed walling in which the two glass plates 2 and 1, ie the facade and inner glass plate respectively, define the air space 3 and the two glass plates 8 and 9 define the air space 10.
  • In the edge facing the adjacent glass plate 9, the glass plate 2 comprises the recess 4 into which the arm 5' of the bracket 5 is inserted, the arm 5" of said bracket being screwed by the screw 6 to the element 7' of the structure 7.
  • Likewise the glass plate 9, which forms the continuation of the glass plate 2 in the facade, is fixed to the element 7' by the bracket 11 which is equal to the bracket 5 but is applied in the opposite direction and offset in height in order to prevent the two screwed arms being superposed on the structure so as to reduce the extent of their outward projection and simultaneously ensure that the individual glass plates are independent in terms of their fixing and/or possible future removal, which may be required for maintenance or any other reason.
  • The section bar 7 and the inner glass plate 1 are spaced apart by a jointing bed generally of open-cell expanded polyethylene, they being connected together by an outer layer 13 of structural sealant.
  • The support block 14 is inserted into the vertical section between the end of the glass plate 1 and the element 7' .
  • In order to provide continuity to the outer facade of the glass wall, a layer 15 of waterproofing silicone is applied over an internal jointing bed filling 16 generally of open-cell expanded polyethylene.
  • A filling 17 of sealant material is provided in the cavity 4 to ensure fixing between the glass plate 2 and arm 5' of the bracket 5 while allowing the glass plate to expand thermally relative to the main structure, thus acting as an elastic joint. The glass plate 1 and glass plate 2 are kept spaced apart at the required distance by the spacer element 18 which contains within its interior dehydrating substances the purpose of which is to keep the gas within the enclosed space dry.
  • Finally the glass plates 1 and 2 are sealed to each other by the layer 19 of special sealing material used for double-glazed windows.
  • As can be clearly seen from Figure 1, elements equal to those described for the glass plates 1 and 2 are applied to the corresponding side of the glass plates 8 and 9.
  • Two or more joints equal to those described are applied to each side of each of the external glass plates of the structural glass walling, the number of such joints depending on the glass plate dimensions.
  • For example three joints can be applied to each side of square glass plates having a side of between 1.5 m and 1.8 m, they being distributed as shown in Figure 2 with their axes staggered on the side a with respect to the side b, and on the side c with respect to the side d, because on installation the side a has to abut against the corresponding side b and the side c has to abut against the corresponding side d in such a manner that the screwed arms of the brackets are not superposed, for the reasons already given in the description of Figure 1.
  • The recesses 4 provided in the side edges of the glass plates, as shown in the views of Figures 1, 3 and 4, are formed by milling followed by toughening of the glass to give the edges of the recess the necessary mechanical strength.
  • The depth and height of the recess depend on the glass plate thickness and the predicted operating loads for the structural walling facade. The minimum depth of the recess is 3 mm, and its width varies preferably from 3 to 5 mm as the layer thickness varies from 8 to 12 mm. Its depth obviously varies in consequence.
  • Alternatively, if using stratified glass, the cavity can be formed directly by choosing the dimensions of the individual component layers such that the intermediate layer has a smaller side than the outer layers.
  • In any event, the recesses can be either located at precise points on the sides of the glass plates or can extend along the entire sides.
  • The metal bracket 5 is shown in front and side view in Figures 5 and 6 respectively. In said figures, the reference numerals 5' and 5" indicate respectively the arm inserted into the recess 4 provided in the glass plate and the arm fixed by screw to the element 7' of the support section 7. The bracket 5 is constructed of stainless steel, preferably AISI 316, and its thickness, from 1 to 2 mm, depends on the thickness of the glass plate. It is apparent that other types of metal element can be used instead of the described bracket without leaving the scope of the invention. For example, a single metal strip can be used to form a direct joint between the glass plates 2 and 9 by engaging its ends in two corresponding recesses in the two glass plates, or by engaging pins fixed to its two ends in corresponding bores formed in the two glass plates. Said bracket or said other metal elements can be fixed to the internal structure by means other than screws, for example by riveting or welding. Again, said bracket or strip can be made rigid with the internal structure in a manner mobile relative to the structural frame in order to allow elements of the walling to be opened by the conventional opening systems of the compass, rotation, butterfly or top or bottom hung type, obviously in any required direction, either upwards, downwards or sideways, and inwards or outwards.

Claims (9)

1. Structural glass walling wherein individual fagade glass plates comprise joints formed from structural sealants and from metal elements fixed to an internal metal support structure characterised in that recesses (4) are made in the side edges of the individual facade glass plate in the form of slots entering the glass material parallel to the principal plane of the plates, thereby conserving the integrity of both the major plate surfaces, in particular the outer fagade surface.
2. Structural glass walling as claimed in claim 1, characterised in that said recesses (4) are formed by milling followed by toughening.
3. Structural glass walling as claimed in claim 1, characterised in that in the case of stratified glass said recesses (4) are formed by making an intermediate layer of smaller dimensions than the upper and lower layers so as to obtain an equivalent effect to that obtained by milling.
4. Structural glass walling as claimed in claim 1, characterised in that said recesses (4) have a minimum depth of 3 mm.
5. Structural glass walling as claimed in claim 1, characterised in that said recesses (4) have a height varying from 3 to 5 mm for glass plates (2) (9) having a thickness varying respectively from 8 to 12 mm.
6. Structural glass walling as claimed in claim 1, characterised in that two or more said recesses (4) are provided for each side of said glass plates (2) (9).
7. Structural glass walling as claimed in claim 1, characterised in that the sealing of the joints (5) in correspondence with the external façade is done with waterproofing silicone.
8. Structural glass walling as claimed in claim 1, characterised in that the sealing in correspondence with the joints (5) between the glass plates (2) and (9) and the internal metal support structure (7) is done with a layer of structural sealant.
9. A method for installing structural glass walling claimed in claims 1 to 8 characterised by forming recesses (4) in each of the four side edges of the fagade glass plates (2) and (9), inserting into each recess (4) one of a metal joining element (5) which is fixed in its turn to an internal metal support structure (7), then sealing the joint by means of synthetic polymer materials in order to form a connection which is fixed but enables the glass walling to slide relative to structure by thermal expansion.
EP87108509A 1986-06-19 1987-06-12 Structural glass walling with joints formed from structural sealants and metal structures Expired - Lifetime EP0250989B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108509T ATE57555T1 (en) 1986-06-19 1987-06-12 CURTAIN WALL IN GLASS AND FIXING WITH GASKET AND METAL ELEMENTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2084586 1986-06-19
IT20845/86A IT1189582B (en) 1986-06-19 1986-06-19 STRUCTURAL GLAZING WITH JOINTS REALIZED BY STRUCTURAL SEALANTS AND METAL ELEMENTS

Publications (2)

Publication Number Publication Date
EP0250989A1 EP0250989A1 (en) 1988-01-07
EP0250989B1 true EP0250989B1 (en) 1990-10-17

Family

ID=11172924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108509A Expired - Lifetime EP0250989B1 (en) 1986-06-19 1987-06-12 Structural glass walling with joints formed from structural sealants and metal structures

Country Status (6)

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EP (1) EP0250989B1 (en)
AT (1) ATE57555T1 (en)
DE (2) DE3765586D1 (en)
ES (1) ES2001150B3 (en)
GR (1) GR3001316T3 (en)
IT (1) IT1189582B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412888B (en) * 2001-07-20 2005-08-25 Baumann Glas 1886 Ges M B H HOLDING DEVICE FOR FIXING COMPONENTS
AT503330B1 (en) * 2001-11-08 2008-03-15 Thurnher Julius PROFILE RAILING DEVICE FOR A BUILDING FACADE BUILT ON GLASS PANELS AND GLASS PANEL HIEFÜR

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE55796T1 (en) * 1987-03-05 1990-09-15 Koller Metallbau Ag PANEL CONSTRUCTION FOR A FAÇADE OR ROOF.
DE3737081A1 (en) * 1987-10-30 1989-05-11 Koller Metallbau Ag FACADE CONSTRUCTION FOR BUILDINGS
CH674961A5 (en) * 1987-12-15 1990-08-15 Koller Metallbau Ag
DE3802076A1 (en) * 1987-12-29 1989-07-20 Gartner & Co J Frameless glazing
DE3801186A1 (en) * 1988-01-18 1989-07-27 Schueco Int Gmbh & Co FASTENING FOR INSULATING GLASS PANELS FOR EXTERNAL WALL OR ROOF GLAZING
DE3808978A1 (en) * 1988-03-17 1989-09-28 Gartner & Co J FRAMELESS GLAZING
DE3817309A1 (en) * 1988-03-17 1989-10-12 Gartner & Co J FRAMELESS GLAZING
AT396497B (en) * 1988-03-18 1993-09-27 Glas Baumann Ges M B H & Co Kg BUILDING EXTERNAL COVERING, PARTICULARLY FACADE, WITH PANEL-SHAPED COMPONENTS
DE3934162A1 (en) * 1988-10-28 1990-07-05 Gartner & Co J Supports for structurally glazed facade - consists of stainless steel bolts welded to stainless steel wires
FR2642465A1 (en) * 1989-01-31 1990-08-03 Sucometal Sa Device for fixing and supporting, without any exposed structure, a glass-type covering
DE8913572U1 (en) * 1989-11-16 1990-10-04 Metallbau Koller AG, Muttenz Facade construction for buildings etc.
FR2655076B1 (en) * 1989-11-24 1992-03-20 Georger Michel DEVICE FOR FIXING GLASS PANELS IN A CURTAIN FACADE.
DE4125182A1 (en) * 1991-07-30 1993-02-04 Bischoff Glastechnik ELEMENT FOR A GLASS CONSTRUCTION
SE468606B (en) * 1991-09-24 1993-02-15 Nils Gunnar Jansson PROCEDURAL APPLICABLE DEVICE FOR THE PROCEDURE OF GLASS FACING ELEMENTS
DE4206345C2 (en) * 1992-02-29 2003-06-18 Hunsruecker Glasveredelung Wag Method and device for fastening facade panels
BE1006136A3 (en) * 1992-08-31 1994-05-24 Verre Atel Sal Module for all glass front of realization.
US7832160B2 (en) * 2001-03-22 2010-11-16 Media Curtainwall Corp. Seismic safe and fire resistant rated edge attached stopless glazing
US8484916B2 (en) 2001-03-22 2013-07-16 F. Aziz Farag Panel-sealing and securing system
US7138166B2 (en) 2003-04-04 2006-11-21 E. I. Du Pont De Nemours And Company Glass laminates having improved structural integrity against severe stresses for use in external pressure plate glazing applications
DE202004008885U1 (en) * 2004-06-04 2005-10-13 Hüppe GmbH & Co. Connector and seal for shower screens which acts as hinge has arms which fit into join between two sheets of glass making up pane
DE102010011315A1 (en) * 2010-03-13 2011-09-15 Eduard Hueck Gmbh & Co Kg All-glass facade

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321575A1 (en) * 1975-08-22 1977-03-18 Bfg Glassgroup Transparent fire resistant multiple glazing system - with intumescent layers between glass, and frame designed to accept expansion
US4552790A (en) * 1983-06-30 1985-11-12 Francis Geoffrey V Structural spacer glazing with connecting spacer device
DE3406541C2 (en) * 1984-02-23 1996-05-23 Stebler Holding Ag Device for fastening multi-pane insulating glass
DE3439436A1 (en) * 1984-10-27 1986-04-30 SCHÜCO Heinz Schürmann GmbH & Co, 4800 Bielefeld EXTERIOR WALL AND ROOF GLAZING
DE8508113U1 (en) * 1985-03-19 1985-11-14 Rüterbau GmbH, 3012 Langenhagen Frame with single and multiple panes of glass, as well as with wall and facade elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412888B (en) * 2001-07-20 2005-08-25 Baumann Glas 1886 Ges M B H HOLDING DEVICE FOR FIXING COMPONENTS
AT503330B1 (en) * 2001-11-08 2008-03-15 Thurnher Julius PROFILE RAILING DEVICE FOR A BUILDING FACADE BUILT ON GLASS PANELS AND GLASS PANEL HIEFÜR

Also Published As

Publication number Publication date
EP0250989A1 (en) 1988-01-07
GR3001316T3 (en) 1992-08-31
ATE57555T1 (en) 1990-11-15
ES2001150A4 (en) 1988-05-01
DE250989T1 (en) 1988-07-21
ES2001150B3 (en) 1991-05-16
DE3765586D1 (en) 1990-11-22
IT8620845A0 (en) 1986-06-19
IT8620845A1 (en) 1987-12-19
IT1189582B (en) 1988-02-04

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