EP1055785A2 - A glazing panel - Google Patents
A glazing panel Download PDFInfo
- Publication number
- EP1055785A2 EP1055785A2 EP99310092A EP99310092A EP1055785A2 EP 1055785 A2 EP1055785 A2 EP 1055785A2 EP 99310092 A EP99310092 A EP 99310092A EP 99310092 A EP99310092 A EP 99310092A EP 1055785 A2 EP1055785 A2 EP 1055785A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- glazing panel
- walled
- glazing
- bar
- panel
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/54—Slab-like translucent elements
- E04C2/543—Hollow multi-walled panels with integrated webs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
- E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
Definitions
- the present invention relates to a glazing panel. More particularly, the present invention relates to a multi-walled glazing panel suitable for use as a roof light or like structure. The present invention also provides a method of attaching a multi-walled glazing panel to a support structure.
- roof lighting enables daylight to be effectively transmitted or admitted into buildings.
- One type of roof lighting includes at least one multi-walled glazing panel supported by a support structure, which is locatable on the roof of a building.
- Such support structures generally comprise a plurality of bar members located at either side of the multi-walled glazing panel and which are adapted to receive such panels.
- bar members are commonly referred to in the industry as glazing bars and come in various shapes and sizes. It is to be understood that such panels can be located on any part of a building or like structure.
- a known type of multi-walled glazing panel 100 includes a plurality of, or at least two, horizontal sheet members 101, separated from one another by vertical interconnecting walls 102, such walls 102 defining channels 103 running along the length of the multi-walled glazing panel 100.
- multi-walled glazing panels 100 of this type are made from the extrusion of a polycarbonate material, and the thickness of such panels can range from 4 millimeters up to approximately 30 millimeters.
- a major advantage of this type of multi-walled glazing panel is that they provide good heat insulation and light transmission and consequently, can assist with savings in energy costs. Moreover, and as such glazing panels are extremely light in weight, less stress is exerted by them on the surrounding structures of the building to which they are attached and consequently, it is believed that they may actually extend the life of a building to which they are attached.
- the present invention addresses the problem outlined above.
- the sides of the multi-walled glazing panel of the present invention which are to be attached to the support structure, are reinforced, same is less likely to come free from the support structure when an object falls thereon. Therefore, it is believed that the present invention increases the overall safety of using such multi-walled glazing panels as part of a roof light or like structure.
- same acts as a mechanical restraint and moreover, enhances the inherent rigidity of the multi-walled glazing panel, thereby increasing the resistance to the dislocation of the glazing panel from the support structure.
- both of the above factors result in a high percentage of the energy of the falling object being transferred to, and absorbed by, the support structure, which can safely absorb such energy without the dislodgment of the glazing panel therefrom.
- the sides of the multi-walled glazing panel which are attachable to the support structure are reinforced with reinforcement means which are locatable within the multi-walled glazing panel.
- the reinforcement means comprises a bar of metal, preferably extruded commercial grade aluminium. It is to be understood that the bar may be of any other suitable material exhibiting the desired rigidity, for example, polycarbonate.
- the reinforcement means is sized to fit snugly within a channel provided within the multi-walled glazing panel, but not too snugly so that same is difficult to insert into said channel. This has the advantage in that same is easy to locate within the glazing panel.
- the reinforcement means is of such a size that it is concealed by the portion of the support structure to which it is fixed. This has the advantage in that the reinforcement means cannot be seen from either above or below and hence, does not affect the aesthetic qualities of the glazing panel, nor hinder the transmission of light therethrough.
- a roof light incorporating a multi-walled glazing panel in accordance with the present invention.
- a multi-walled polycarbonate glazing panel 10 in accordance with the present invention includes a plurality of horizontal sheet members 11, separated from one another by vertical interconnecting walls 12, such walls 12 defining channels 13 running the length of the multi-walled glazing panel 10. Additionally, and in order to reinforce the sides or side portions of the panel 10 which are to be attached or supported by a support structure, such as a glazing bar, same is further provided with reinforcement bars 15 which are insertable into channels 13 located at either side of the panel 10. For illustration purposes, only one of such bars 15 is shown in Figure 2.
- each side of the panel 10 is locatable between the jaw or clamp portion 21 of a glazing bar 20 of the interlocking type, sold by us under the name "MULTI-LINK-PANEL INTERLOCKING MODULAR GLAZING SYSTEM", which is the subject of our European Patent No. 0473321.
- the panel 10 and reinforcement bars 15 are fixed to the glazing bar 20 via fixing means 22, such as a self tapping screw, which passes through an aperture provided in a surface of the jaw 21 into the panel 10 and reinforcement bar 15.
- the bar 15 can be located in either of the channels 13 directly adjacent the glazing bar 20. Additionally, the bar 15 is located within the confines of the jaw 21 of the glazing bar 20 and hence, is concealed.
- a reinforcement bar 15 is inserted into a channel 13 at each side of the panel 10 which are to be fixed to the glazing bars 20 of a support structure. It is preferable that the length of the reinforcement bar 15 is selected such that when located within the glazing panel 10, same protrudes at both ends thereof preferably by about 4 mm.
- a clearance hole or aperture is provided through the top of each jaw 21 and through the top layer of the glazing panel 10, followed by a tapping hole through the reinforcement bar 15.
- Such an aperture is preferably provided on both sides of the glazing panel 10 in a central position along the length of each glazing bar 20 and immediately over the center of the reinforcement bar 15.
- Fixing means 22, such as a self tapping screw is then driven into the assembly of the glazing bar 20, panel 10 and reinforcement bar 15, until the head of the screw 22 sits on the surface of the glazing bar 20.
- such screw 22 is not tightened to such an extent that free thermal movement of the glazing panel 10 is hindered, that is, when fixed to its respective glazing bar 20.
- U-profile capping members 25 are then placed at either end of the glazing panel 10.
- the protrusion of the reinforcement bar 15 beyond the end of the panel 10 is intended to act as a restraint by contact with the U-profile capping members 25, thus preventing any sideways movement of the reinforcement bar 15.
- a side of the panel 10 is locatable between a jaw or clamp portion 31 provided by a base member 35 and capping bar 34 of a glazing bar 30.
- the panel 10 and reinforcement bar 15 are fixed to the glazing bar 30 via fixing means 32, such as a self-tapping screw, which passes through an aperture provided in a surface of a upper seal 36a into the panel 10 and reinforcement bar 15.
- fixing means 32 such as a self-tapping screw, which passes through an aperture provided in a surface of a upper seal 36a into the panel 10 and reinforcement bar 15.
- the bar 15 is located in the uppermost channel 13 provided within the panel 10, however, it is understood that it can be provided in any of the channels 13. Additionally, the bar 15 is located within the confines of the jaw 31 provided by the base member 35 and capping bar 34 of the glazing bar 30 and hence, is concealed.
- each end of the glazing panel 10 can be provided with a U-profile capping member.
- a reinforcement bar 15 is inserted into a channel at each side of the panel 10 which is to be fixed to the glazing bar 30 of a support structure.
- the length of the reinforcement bar 15 is selected such that, when located within the glazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm.
- a clearance hole or aperture is provided through the top of the seal 36a and through the top layer of the glazing panel 10, followed by a tapping hole through the reinforcement bar 15.
- Such an aperture is preferably provided on both sides of the glazing panel 10 in a central portion along the length of each glazing bar 30 and immediately over the centre of the reinforcement bar 15.
- Fixing means 32 such as a self-tapping screw, is then driven into the assembly of the seal 36a, panel 10 and reinforcement bar 15.
- U-profile capping members are then placed at either end of the glazing panel 10
- the protrusion of the reinforcement bar 15 beyond the ends of the panel 10 is intended to act as a restraint by contact with the U-profile capping member, thus preventing any sideway movements of the reinforcement bar 15.
- each side of the panel 10 is locatable between the jaw or clamp portion 31 provided by a base member 35 and a capping bar 34 of a glazing bar 30.
- the panel 10 and reinforcement bar 15 are fixed to one another via fixing means 32, such as a self-tapping screw.
- fixing means 32 such as a self-tapping screw.
- one end 32a of fixing means 32 protrudes into space 38 provided by base member 35 of the glazing bar 30.
- same passes through a lower seal 36b provided on the base member 35 of the glazing bar 30.
- the fixing means 32 protrudes into the space 38, when the glazing panel 10 is hit by an object, this causes the end 32a of the fixing means 32 to engage with a surface of the base member 35 and hence, prevents the glazing panel 10 from being removed or dislodged from the glazing bar 30.
- the reinforcement bar is located in the lowermost channel 13, it is to be understood that it can be located in any of the channels 13 adjacent the glazing bar 30. In this connection, it is only the length of the fixing means which must be long enough to engage with a surface of the glazing bar 30. For the avoidance of any doubt, such surface may be provided by the base member 35 or capping bar 34 of glazing bar 30.
- each end of the glazing panel 10 may be provided with a U-profile capping member.
- a reinforcement bar 15 is inserted into a channel 13 at each side of the panel which are to be attached to the glazing bars 30 of the support structure. It is preferable, that the lengths of the reinforcement bar 15 is selected such that when located within the glazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm.
- a clearance hole or aperture is provided through the top of the glazing panel 10, followed by a tapping hole through the reinforcement bar 15.
- Such an aperture is preferably provided on both sides of the glazing panel 10 in a central position.
- Fixing means 32 such as a self-tapping screw, is then driven into a surface of the glazing panel 10 and reinforcement bar 15 until an end of same protrudes through reinforcement bar 15 into space 38 provided by base member 35 of the glazing bar 30.
- U-profile capping members can then be placed on either end of the glazing panel 10.
- the protrusion of the reinforcement bar 15 beyond the end of the panel 10 is intended to act as a restraint by contacting the U-profile capping members, thus preventing any sideways movement of the reinforcement bar 15.
- each side of the panel 10 is locatable between the jaw or clamp portion 41 provided by a base member 45 and a capping bar 44 of a glazing bar 40.
- the panel 10 and reinforcement bar 15 are fixed to one another via fixing means 42, such as a self-tapping screw.
- fixing means 42 such as a self-tapping screw.
- one end 42a of fixing means 42 protrude into space 48 provided by base member 45 of the glazing bar 40.
- the fixing means 42 protrude into the space 48, when the glazing panel 10 is hit by an object, this causes the end 42a of the fixing means 42 to engage with a surface of the base member 35 and hence, prevents the glazing panel 10 from being removed or dislodged from the clamp member 31 provided by the base member 45 and capping member 44.
- each end of the glazing panel 10 can be provided with a U-profile capping member.
- a reinforcement bar 15 is inserted into channels 13 at each side of the panel 10. It is preferable, that the lengths of the reinforcement bar 15 is selected such that when located within the glazing panel 10, same protrudes at both ends thereof, preferably by about 4mm.
- a clearance hole or aperture is provided through the top of the glazing panel 10, followed by a tapping hole through the reinforcement bar 15.
- Such an aperture is preferably provided on both sides of the glazing panel 10 in a central position.
- Fixing means 42 such as a self-tapping screw, is then driven into a surface of the glazing panel 10 and reinforcement bar 15, until an end of same protrudes through reinforcement bar 15 until same protrudes through the other side of the glazing panel 10.
- the panel is then located on to the base member 45 such that the lower end 42a of the fixing means 32 is located in the space 48 provided thereby and the capping member 44 of the glazing bar 40 is then placed on top of the panel 10 such that the jaws 41 provided by the glazing bar 40 clamps the panel 10 in position.
- U-profile capping members can then be placed at either end of the glazing panel 10.
- the protrusion of the reinforcement bar 15 beyond the end of the panel 10 is intended to act as a restraint by contacting the U-profile capping members, thus preventing any sideway movements of the reinforcement bar.
- each channel 13 located on either side of the multi-walled glazing panel 10 is provided with a reinforcement bar 15. It will be appreciated that by increasing the number of reinforcement bars 15, the reinforcement of the glazing panel 10 is increased such that same is less likely to become dislodged from the glazing bars 20 to which it is attached, that is, in the event that a heavy object falls onto same.
- the two channels 13 directly adjacent the glazing bar 20 are each provided with a reinforcement bar 15.
- the number of reinforcement bars 15 utilized can vary depending on the number of channels 13 provided within the multi-walled glazing panels 10 which are located at either side of the multi-walled glazing panel 10, for example, a multi-walled glazing panel 10 which includes four horizontal sheet members 11 will have three channels 13 at either side thereof and consequently, each side of such a multi-walled glazing panel 10 can be provided with three reinforcement bars 15.
- each stop member 50 includes a plurality of downwardly extending legs 51 which, in use, are located adjacent the reinforcement bars 15 (see Figure 9). Depending on the width of the reinforcement bars 15 and the width of the channels 13, it is to be understood that the legs 51 may be inserted into the same channel 13 within which the reinforcement bar 15 is located, or in an adjacent channel 13.
- the legs 51 of the stop member 50 are long enough so that they extend into space 23 provided by glazing panel 20, such that on impact the lower portions of the legs 51 will interact or engage with the glazing bar 20 and hence, assists with preventing the multi-walled glazing panel 10 from being removed or dislodged from the glazing bar 20, that is, in the event that an object falls onto same.
- a reinforcement bar 15 is inserted into each channel 13 located at either side of the multi-walled glazing panel 10. It is preferable that the length of the reinforcement bar 15 is selected such that when located within the glazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm.
- a plurality of suitably spaced clearance holes or apertures are provided through the top of each jaw 21 and through the glazing panel 10 such that the legs 51 of stop member 50 can be inserted through the jaw 21 of the glazing bar 20 and through the multi-walled glazing panel 10 located therein.
- U-profile capping members 25 are then placed at either end of the glazing panel 10.
- the protrusion of the reinforcement bar 15 beyond the end of the panel 10 is intended to act as a restraint by contact with the U-profile capping members 25, thereby preventing any sideways movement of the reinforcement bars 15.
- the sides portions, which are attachable to a support structure, of a multi-walled glazing panel in accordance with the present invention can be constructed from a solid material integral with the multi-walled glazing panel.
- the channels located within the side portion which is attachable to the support structure may be filled with a solid, settable material; the material having the desired rigidity.
- a multi-walled glazing panel in accordance with the present invention may have more than one reinforcement bar located in adjacent channels in each side portion of the multi-walled glazing panel which is to be attached to, or supported by, a support structure.
- a multi-walled glazing panel in accordance with the present invention can be located on any part of a building or other structure.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Joining Of Glass To Other Materials (AREA)
- Finishing Walls (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
Description
- The present invention relates to a glazing panel. More particularly, the present invention relates to a multi-walled glazing panel suitable for use as a roof light or like structure. The present invention also provides a method of attaching a multi-walled glazing panel to a support structure.
- The provision of roof lighting enables daylight to be effectively transmitted or admitted into buildings.
- One type of roof lighting includes at least one multi-walled glazing panel supported by a support structure, which is locatable on the roof of a building. Such support structures generally comprise a plurality of bar members located at either side of the multi-walled glazing panel and which are adapted to receive such panels. Such bar members are commonly referred to in the industry as glazing bars and come in various shapes and sizes. It is to be understood that such panels can be located on any part of a building or like structure.
- With reference to Figure 1, which is a perspective view of a known multi-walled glazing panel, a known type of
multi-walled glazing panel 100 includes a plurality of, or at least two,horizontal sheet members 101, separated from one another by vertical interconnectingwalls 102,such walls 102 definingchannels 103 running along the length of themulti-walled glazing panel 100. Generally,multi-walled glazing panels 100 of this type are made from the extrusion of a polycarbonate material, and the thickness of such panels can range from 4 millimeters up to approximately 30 millimeters. - A major advantage of this type of multi-walled glazing panel is that they provide good heat insulation and light transmission and consequently, can assist with savings in energy costs. Moreover, and as such glazing panels are extremely light in weight, less stress is exerted by them on the surrounding structures of the building to which they are attached and consequently, it is believed that they may actually extend the life of a building to which they are attached.
- However, and somewhat surprisingly, such panels may become dislodged from their respective support structures if a heavy object falls on top of same. This is somewhat surprising as polycarbonate has exceptional levels of impact and shock resistance. In this connection, it is believed that due to the flexible nature of multi-walled polycarbonate glazing panels of this type, when a heavy object falls onto same, they flex in an elastic manner such that the sides of same come free from the glazing bars of the support structure supporting same. This has severe safety implications, especially if the heavy object concerned is a person.
- According to an aspect of the present invention there is provided a multi-walled glazing panel as specified in claim 1.
- It is believed that the present invention addresses the problem outlined above. In particular, and as the sides of the multi-walled glazing panel of the present invention, which are to be attached to the support structure, are reinforced, same is less likely to come free from the support structure when an object falls thereon. Therefore, it is believed that the present invention increases the overall safety of using such multi-walled glazing panels as part of a roof light or like structure. In this connection, it is believed that by reinforcing the sides, same acts as a mechanical restraint and moreover, enhances the inherent rigidity of the multi-walled glazing panel, thereby increasing the resistance to the dislocation of the glazing panel from the support structure. Furthermore, it is believed that both of the above factors result in a high percentage of the energy of the falling object being transferred to, and absorbed by, the support structure, which can safely absorb such energy without the dislodgment of the glazing panel therefrom.
- In a preferred embodiment, the sides of the multi-walled glazing panel which are attachable to the support structure are reinforced with reinforcement means which are locatable within the multi-walled glazing panel.
- In a preferred embodiment, the reinforcement means comprises a bar of metal, preferably extruded commercial grade aluminium. It is to be understood that the bar may be of any other suitable material exhibiting the desired rigidity, for example, polycarbonate.
- Preferably, the reinforcement means is sized to fit snugly within a channel provided within the multi-walled glazing panel, but not too snugly so that same is difficult to insert into said channel. This has the advantage in that same is easy to locate within the glazing panel.
- Further preferably, the reinforcement means is of such a size that it is concealed by the portion of the support structure to which it is fixed. This has the advantage in that the reinforcement means cannot be seen from either above or below and hence, does not affect the aesthetic qualities of the glazing panel, nor hinder the transmission of light therethrough.
- In a further aspect of the present invention there is provided a roof light incorporating a multi-walled glazing panel in accordance with the present invention.
- In a further aspect of the present invention there is provided a method of attaching a multi-walled glazing panel to a support structure as specified by claim 14.
- Non-limiting embodiments of the present invention will now be described by way of example, and with reference to Figures 2 to 9, in which:
- Figure 2 is a perspective view of a first embodiment of a multi-walled glazing panel in accordance with the present invention;
- Figure 3 illustrates the glazing panel of Figure 2 when fixed to a glazing bar of the interlocking type;
- Figure 4 is a cross-sectional view of a multi-walled glazing panel of Figure 2 when fixed to the glazing bar of Figure 3;
- Figure 5A is a cross-sectional view of a multi-walled glazing panel of Figure 2 when fixed to a "conventional" type glazing bar;
- Figure 6 is a cross-sectional view of a multi-walled glazing panel of Figure 2 when attached to a first embodiment of a "conventional" type glazing bar;
- Figure 7 is a cross-sectional view of a multi-walled glazing panel of Figure 2 when attached to a second embodiment of a "conventional" type glazing bar;
- Figure 8 is a perspective view of a second embodiment of a multi-walled glazing panel in accordance with the present invention; and
- Figure 9 is a cross-sectional view of the multi-walled glazing panel of Figure 8 when attached to the glazing bar of Figure 3.
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- As illustrated in Figure 2, a multi-walled
polycarbonate glazing panel 10 in accordance with the present invention includes a plurality ofhorizontal sheet members 11, separated from one another by vertical interconnectingwalls 12,such walls 12 definingchannels 13 running the length of themulti-walled glazing panel 10. Additionally, and in order to reinforce the sides or side portions of thepanel 10 which are to be attached or supported by a support structure, such as a glazing bar, same is further provided withreinforcement bars 15 which are insertable intochannels 13 located at either side of thepanel 10. For illustration purposes, only one ofsuch bars 15 is shown in Figure 2. - As illustrated in Figures 3 and 4, each side of the
panel 10 is locatable between the jaw orclamp portion 21 of aglazing bar 20 of the interlocking type, sold by us under the name "MULTI-LINK-PANEL INTERLOCKING MODULAR GLAZING SYSTEM", which is the subject of our European Patent No. 0473321. As shown, thepanel 10 andreinforcement bars 15 are fixed to theglazing bar 20 via fixing means 22, such as a self tapping screw, which passes through an aperture provided in a surface of thejaw 21 into thepanel 10 andreinforcement bar 15. As shown in Figure 4, thebar 15 can be located in either of thechannels 13 directly adjacent theglazing bar 20. Additionally, thebar 15 is located within the confines of thejaw 21 of theglazing bar 20 and hence, is concealed. Once each side of theglazing panel 10 is fixed to itsrespective glazing bar 20, viareinforcement bars 15, aU-profile capping member 25 is placed on either end of theglazing panel 10. - In order to install a multi-walled
polycarbonate glazing panel 10 as shown in Figures 2 and 3, areinforcement bar 15 is inserted into achannel 13 at each side of thepanel 10 which are to be fixed to theglazing bars 20 of a support structure. It is preferable that the length of thereinforcement bar 15 is selected such that when located within theglazing panel 10, same protrudes at both ends thereof preferably by about 4 mm. - Once the
bar 15 is in position, a clearance hole or aperture is provided through the top of eachjaw 21 and through the top layer of theglazing panel 10, followed by a tapping hole through thereinforcement bar 15. Such an aperture is preferably provided on both sides of theglazing panel 10 in a central position along the length of eachglazing bar 20 and immediately over the center of thereinforcement bar 15. Fixing means 22, such as a self tapping screw, is then driven into the assembly of theglazing bar 20,panel 10 andreinforcement bar 15, until the head of thescrew 22 sits on the surface of theglazing bar 20. Preferably,such screw 22 is not tightened to such an extent that free thermal movement of theglazing panel 10 is hindered, that is, when fixed to itsrespective glazing bar 20. - If applicable,
U-profile capping members 25 are then placed at either end of theglazing panel 10. The protrusion of thereinforcement bar 15 beyond the end of thepanel 10 is intended to act as a restraint by contact with theU-profile capping members 25, thus preventing any sideways movement of thereinforcement bar 15. - As illustrated in Figure 5, a side of the
panel 10 is locatable between a jaw or clamp portion 31 provided by abase member 35 andcapping bar 34 of aglazing bar 30. As shown, thepanel 10 andreinforcement bar 15 are fixed to theglazing bar 30 via fixing means 32, such as a self-tapping screw, which passes through an aperture provided in a surface of a upper seal 36a into thepanel 10 andreinforcement bar 15. As shown in Figure 5, thebar 15 is located in theuppermost channel 13 provided within thepanel 10, however, it is understood that it can be provided in any of thechannels 13. Additionally, thebar 15 is located within the confines of the jaw 31 provided by thebase member 35 andcapping bar 34 of theglazing bar 30 and hence, is concealed. Although not illustrated, once fixed to theglazing bar 30, each end of theglazing panel 10 can be provided with a U-profile capping member. - In order to install a multi-walled
polycarbonate glazing panel 10 in accordance with the present invention to aglazing bar 30 as shown in Figure 5, areinforcement bar 15 is inserted into a channel at each side of thepanel 10 which is to be fixed to theglazing bar 30 of a support structure. Preferably, the length of thereinforcement bar 15 is selected such that, when located within theglazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm. - Once the
bar 15 is in position, a clearance hole or aperture is provided through the top of the seal 36a and through the top layer of theglazing panel 10, followed by a tapping hole through thereinforcement bar 15. Such an aperture is preferably provided on both sides of theglazing panel 10 in a central portion along the length of eachglazing bar 30 and immediately over the centre of thereinforcement bar 15. Fixing means 32, such as a self-tapping screw, is then driven into the assembly of the seal 36a,panel 10 andreinforcement bar 15. - If applicable, U-profile capping members are then placed at either end of the
glazing panel 10 The protrusion of thereinforcement bar 15 beyond the ends of thepanel 10 is intended to act as a restraint by contact with the U-profile capping member, thus preventing any sideway movements of thereinforcement bar 15. - As illustrated in Figure 6, each side of the
panel 10 is locatable between the jaw or clamp portion 31 provided by abase member 35 and acapping bar 34 of aglazing bar 30. As shown, thepanel 10 andreinforcement bar 15 are fixed to one another via fixing means 32, such as a self-tapping screw. As illustrated, one end 32a of fixing means 32 protrudes intospace 38 provided bybase member 35 of theglazing bar 30. In the illustrated embodiment, same passes through a lower seal 36b provided on thebase member 35 of theglazing bar 30. As the fixing means 32 protrudes into thespace 38, when theglazing panel 10 is hit by an object, this causes the end 32a of the fixing means 32 to engage with a surface of thebase member 35 and hence, prevents theglazing panel 10 from being removed or dislodged from theglazing bar 30. - With reference to Figure 6, although the reinforcement bar is located in the
lowermost channel 13, it is to be understood that it can be located in any of thechannels 13 adjacent theglazing bar 30. In this connection, it is only the length of the fixing means which must be long enough to engage with a surface of theglazing bar 30. For the avoidance of any doubt, such surface may be provided by thebase member 35 or cappingbar 34 ofglazing bar 30. - Additionally, the
reinforcement bar 15 is located within the confines of the jaw 31 provided by thebase member 35 and cappingbar 34 of theglazing bar 30 and hence, is concealed. Although not illustrated, once fixed to the glazing bars 30, each end of theglazing panel 10 may be provided with a U-profile capping member. - In order to attach a multi-walled
polycarbonate glazing panel 10 in accordance with the present invention to aglazing bar 30 as shown in Figure 6, areinforcement bar 15 is inserted into achannel 13 at each side of the panel which are to be attached to the glazing bars 30 of the support structure. It is preferable, that the lengths of thereinforcement bar 15 is selected such that when located within theglazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm. - Once the
bar 15 is in position, a clearance hole or aperture is provided through the top of theglazing panel 10, followed by a tapping hole through thereinforcement bar 15. Such an aperture is preferably provided on both sides of theglazing panel 10 in a central position. Fixing means 32, such as a self-tapping screw, is then driven into a surface of theglazing panel 10 andreinforcement bar 15 until an end of same protrudes throughreinforcement bar 15 intospace 38 provided bybase member 35 of theglazing bar 30. - If applicable, U-profile capping members can then be placed on either end of the
glazing panel 10. The protrusion of thereinforcement bar 15 beyond the end of thepanel 10 is intended to act as a restraint by contacting the U-profile capping members, thus preventing any sideways movement of thereinforcement bar 15. - As illustrated in Figure 7, each side of the
panel 10 is locatable between the jaw or clamp portion 41 provided by abase member 45 and a capping bar 44 of a glazing bar 40. As shown, thepanel 10 andreinforcement bar 15 are fixed to one another via fixing means 42, such as a self-tapping screw. As illustrated, one end 42a of fixing means 42 protrude intospace 48 provided bybase member 45 of the glazing bar 40. As the fixing means 42 protrude into thespace 48, when theglazing panel 10 is hit by an object, this causes the end 42a of the fixing means 42 to engage with a surface of thebase member 35 and hence, prevents theglazing panel 10 from being removed or dislodged from the clamp member 31 provided by thebase member 45 and capping member 44. - Additionally, the
reinforcement bar 15 is located within the confines of the jaw 41 provided by thebase member 45 and capping bar 44 of the glazing bar 40 and hence, is concealed. As illustrated , once fixed to the glazing bar 40, each end of theglazing panel 10 can be provided with a U-profile capping member. - In order to attach a multi-walled
polycarbonate glazing panel 10 in accordance with the present invention to a glazing bar 40 as shown in Figure 7, areinforcement bar 15 is inserted intochannels 13 at each side of thepanel 10. It is preferable, that the lengths of thereinforcement bar 15 is selected such that when located within theglazing panel 10, same protrudes at both ends thereof, preferably by about 4mm. - Once the
bar 15 is in position , a clearance hole or aperture is provided through the top of theglazing panel 10, followed by a tapping hole through thereinforcement bar 15. Such an aperture is preferably provided on both sides of theglazing panel 10 in a central position. Fixing means 42, such as a self-tapping screw, is then driven into a surface of theglazing panel 10 andreinforcement bar 15, until an end of same protrudes throughreinforcement bar 15 until same protrudes through the other side of theglazing panel 10. The panel is then located on to thebase member 45 such that the lower end 42a of the fixing means 32 is located in thespace 48 provided thereby and the capping member 44 of the glazing bar 40 is then placed on top of thepanel 10 such that the jaws 41 provided by the glazing bar 40 clamps thepanel 10 in position. - If applicable, U-profile capping members can then be placed at either end of the
glazing panel 10. The protrusion of thereinforcement bar 15 beyond the end of thepanel 10 is intended to act as a restraint by contacting the U-profile capping members, thus preventing any sideway movements of the reinforcement bar. - As illustrated in Figure 8, each
channel 13 located on either side of themulti-walled glazing panel 10 is provided with areinforcement bar 15. It will be appreciated that by increasing the number of reinforcement bars 15, the reinforcement of theglazing panel 10 is increased such that same is less likely to become dislodged from the glazing bars 20 to which it is attached, that is, in the event that a heavy object falls onto same. In the illustrated embodiment, the twochannels 13 directly adjacent theglazing bar 20 are each provided with areinforcement bar 15. It is to be understood that the number of reinforcement bars 15 utilized can vary depending on the number ofchannels 13 provided within themulti-walled glazing panels 10 which are located at either side of themulti-walled glazing panel 10, for example, amulti-walled glazing panel 10 which includes fourhorizontal sheet members 11 will have threechannels 13 at either side thereof and consequently, each side of such amulti-walled glazing panel 10 can be provided with three reinforcement bars 15. - As illustrated in Figures 8 and 9, the reinforcement bars 15 are not fixed to the
glazing bar 20 via fixing means 22, for example, a self tapping screw, but rather are held, or retained, in position by astop member 50. As illustrated, each side of themulti-walled glazing panel 10 is provided with twostop members 50; however, it is to be understood that the number can vary depending on the length of themulti-walled glazing panel 10 and support required. Preferably, eachstop member 50 includes a plurality of downwardly extendinglegs 51 which, in use, are located adjacent the reinforcement bars 15 (see Figure 9). Depending on the width of the reinforcement bars 15 and the width of thechannels 13, it is to be understood that thelegs 51 may be inserted into thesame channel 13 within which thereinforcement bar 15 is located, or in anadjacent channel 13. Preferably, thelegs 51 of thestop member 50 are long enough so that they extend intospace 23 provided by glazingpanel 20, such that on impact the lower portions of thelegs 51 will interact or engage with theglazing bar 20 and hence, assists with preventing themulti-walled glazing panel 10 from being removed or dislodged from theglazing bar 20, that is, in the event that an object falls onto same. - In order to install a multi-walled
polycarbonate glazing panel 10 as shown in Figure 8, areinforcement bar 15 is inserted into eachchannel 13 located at either side of themulti-walled glazing panel 10. It is preferable that the length of thereinforcement bar 15 is selected such that when located within theglazing panel 10, same protrudes at both ends thereof, preferably by about 4 mm. - Once the
bars 15 are in position, a plurality of suitably spaced clearance holes or apertures are provided through the top of eachjaw 21 and through theglazing panel 10 such that thelegs 51 ofstop member 50 can be inserted through thejaw 21 of theglazing bar 20 and through themulti-walled glazing panel 10 located therein. - If applicable,
U-profile capping members 25 are then placed at either end of theglazing panel 10. The protrusion of thereinforcement bar 15 beyond the end of thepanel 10 is intended to act as a restraint by contact with theU-profile capping members 25, thereby preventing any sideways movement of the reinforcement bars 15. - Although the present invention has been described by way of example to a multi-walled glazing panel made of polycarbonate it is to be understood that same can be made of any other similar material of like properties.
- It is to be understood that the sides portions, which are attachable to a support structure, of a multi-walled glazing panel in accordance with the present invention can be constructed from a solid material integral with the multi-walled glazing panel. For example, the channels located within the side portion which is attachable to the support structure may be filled with a solid, settable material; the material having the desired rigidity.
- It is to be understood that a multi-walled glazing panel in accordance with the present invention may have more than one reinforcement bar located in adjacent channels in each side portion of the multi-walled glazing panel which is to be attached to, or supported by, a support structure.
- It is to be understood that a multi-walled glazing panel in accordance with the present invention can be located on any part of a building or other structure.
Claims (15)
- A multi-walled glazing panel (10) which, in use, is attached at either side thereof to a support structure (20,30,40), the multi-walled glazing panel (10) including a plurality of horizontal sheet members (11) separated from one another by vertical interconnecting walls (12), such vertical interconnecting walls (12) defining channels (13) running along the length of the multi-walled glazing panel (10) characterised in that the sides of the multi-walled glazing panel (10) that are attachable to the support structure (20,30,40) are reinforced.
- A multi-walled glazing panel (10) as claimed in claim 1, in which the sides of the multi-walled glazing panel (10) which are attachable to the support structure (20,30,40) are reinforced with reinforcement means (15), the reinforcement means (15) being insertable into at least one of the channels (13) located adjacent the support structure (20,30,40).
- A multi-walled glazing panel as claimed in claim 2, in which the reinforcement means (15) are insertable into at least one of the channels (13) located directly adjacent the support structure (20,30,40).
- A multi-walled glazing panel (10) as claimed in claim 3, wherein each channel (13) located directly adjacent the support structure (20,30,40) is provided with reinforcement means (15).
- A multi-walled glazing panel (10) as claimed in any one of claims 2 to 4, in which the reinforcement means (15) comprise a bar of rigid material.
- A multi-walled glazing panel (10) as claimed in claim 5, in which the bar of rigid material is made from metal or polycarbonate.
- A multi-walled glazing panel (10) as claimed in any one of claims 2 to 6, in which the reinforcement means (15) is sized to fit snugly within the at least one channel (13) within which it is located, but not too snugly so that same is difficult to insert into said channel (10).
- A multi-walled glazing panel (10) as claimed in any one of claims 2 to 7, in which the reinforcement means (15) are sized such that they protrude from either end of the channel (13) within which they are located.
- A multi-walled glazing panel (10) as claimed in any one of the preceding claims, in which either side of the multi-walled glazing panel (10) is further provided with at least one protruding member (22,50) that can engage with a surface of the support structure (20,30,40).
- A multi-walled glazing panel (10) as claimed in claim 9, in which the protruding member comprises of at least one screw (22) protruding from the reinforcement sides (15) of the multi-walled glazing panel (10).
- A multi-walled glazing panel (10) as claimed in claim 9, in which the protruding member includes at least one stop member (50) which, in use, is locatable adjacent the reinforcement sides (15).
- A multi-walled glazing panel (10) as claimed in claim 11, in which the stop member (50) includes at least two legs (51).
- A multi-walled glazing panel (10) as claimed in any one of the preceding claims, in which the reinforced sides of the multi-walled glazing panel (10) are sized such that they are concealed by a portion of the support structure (20,30,40) to which the multi-walled glazing panel (10) is attached.
- A method of attaching the sides of a multi-walled glazing panel (10) which includes a plurality of horizontal sheet members (11) separated from one another by vertical interconnecting walls (12), such vertical interconnecting walls (12) defining channels (13) running along the length of the multi-walled glazing panel (10), the method comprising the steps of:inserting at least one reinforcement means (15) into at least one channel located at either side of the multi-walled glazing panel (10); andattaching the multi-walled glazing panel (10) to a support structure (20,30,40).
- The method of claim 14, further comprising the step of providing the multi-walled glazing panel (10) with at least one protruding member (22,50) that can engage with a surface of the support structure (20,30,40).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/536,156 US6430893B1 (en) | 1999-05-22 | 2000-03-28 | Glazing panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9911903 | 1999-05-22 | ||
GBGB9911903.4A GB9911903D0 (en) | 1999-05-22 | 1999-05-22 | A glazing panel |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1055785A2 true EP1055785A2 (en) | 2000-11-29 |
EP1055785A3 EP1055785A3 (en) | 2001-05-23 |
EP1055785B1 EP1055785B1 (en) | 2005-03-02 |
Family
ID=10853945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99310092A Expired - Lifetime EP1055785B1 (en) | 1999-05-22 | 1999-12-15 | Multi-walled glazing panel, and method of attaching it to a support structure |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1055785B1 (en) |
AT (1) | ATE290140T1 (en) |
DE (1) | DE69923952D1 (en) |
GB (1) | GB9911903D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2453864A (en) * | 2007-10-17 | 2009-04-22 | Kingspan Res & Dev Ltd | A translucent panel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8568860B2 (en) | 2007-11-12 | 2013-10-29 | Sabic Innovative Plastics Ip B.V. | Multiwall polymer sheet comprising branched polycarbonate |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2495999A1 (en) * | 1980-12-11 | 1982-06-18 | Macoplast Mr Srl | Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans |
EP0473321A1 (en) * | 1990-08-14 | 1992-03-04 | Twinwall Fixings (UK) Limited | Glazing bar |
WO1996010119A1 (en) * | 1994-09-28 | 1996-04-04 | Plastmo A/S | A panel of extruded profile elements |
-
1999
- 1999-05-22 GB GBGB9911903.4A patent/GB9911903D0/en not_active Ceased
- 1999-12-15 AT AT99310092T patent/ATE290140T1/en not_active IP Right Cessation
- 1999-12-15 EP EP99310092A patent/EP1055785B1/en not_active Expired - Lifetime
- 1999-12-15 DE DE69923952T patent/DE69923952D1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2495999A1 (en) * | 1980-12-11 | 1982-06-18 | Macoplast Mr Srl | Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans |
EP0473321A1 (en) * | 1990-08-14 | 1992-03-04 | Twinwall Fixings (UK) Limited | Glazing bar |
WO1996010119A1 (en) * | 1994-09-28 | 1996-04-04 | Plastmo A/S | A panel of extruded profile elements |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2453864A (en) * | 2007-10-17 | 2009-04-22 | Kingspan Res & Dev Ltd | A translucent panel |
GB2453864B (en) * | 2007-10-17 | 2012-06-20 | Kingspan Res & Dev Ltd | A translucent panel |
Also Published As
Publication number | Publication date |
---|---|
DE69923952D1 (en) | 2005-04-07 |
GB9911903D0 (en) | 1999-07-21 |
EP1055785B1 (en) | 2005-03-02 |
EP1055785A3 (en) | 2001-05-23 |
ATE290140T1 (en) | 2005-03-15 |
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