EP1599647B1 - Elongate retaining element for building sheets - Google Patents
Elongate retaining element for building sheets Download PDFInfo
- Publication number
- EP1599647B1 EP1599647B1 EP04713082A EP04713082A EP1599647B1 EP 1599647 B1 EP1599647 B1 EP 1599647B1 EP 04713082 A EP04713082 A EP 04713082A EP 04713082 A EP04713082 A EP 04713082A EP 1599647 B1 EP1599647 B1 EP 1599647B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- retaining element
- base
- engagement
- elongate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Images
Classifications
-
- 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
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D3/363—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets with snap action
-
- 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
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D2003/3612—Separate fastening elements fixed to the roof structure and comprising plastic parts for avoiding thermal bridges
-
- 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
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D2003/3615—Separate fastening elements fixed to the roof structure and consisting of parts permitting relative movement to each other, e.g. for thermal expansion
Definitions
- the present invention relates to an elongate retaining element for building sheets e.g. for a roof or façade, comprising an elongate engagement section with a head section at one end of said engagement section for engaging at least one building sheet, by flanging a free end of said building sheet over said head section, and an elongate base section for mounting the elongate retaining element on a support structure wherein the direction of elongation of the engagement section, base section and of the retaining element are the same.
- the present invention further relates to an assembly of at least one such elongate retaining element and at least one building sheet mounted thereby on a support structure and also to a connection section forming part of such an elongate retaining element.
- the known elongate retaining element comprises an elongate extruded aluminium "upside-down-T"-shaped profile. As seen in cross section perpendicular to its direction of elongation, the cross bar of the "upside-down-T"-shaped profile forms the base section, which is provided with drilled holes for connecting elements such as screws passed through the drilled holes to connect the elongate retaining element to a supporting structure of a building, such as for example supporting beams, T-bearers or similar structural elements manufactured from for example wood, steel, aluminium or concrete.
- An elongate engagement section extends perpendicularly from the elongate base section and comprises at its end a wider head section that in this specific example is substantially triangularly shaped in cross section.
- the direction of elongation of the engagement and base sections is the same as the direction of elongation of the retaining element.
- the free ends of the building sheets are flanged over the head section such as to allow for a longitudinal sliding movement of the building elements relative to the elongate retaining element.
- the known elongate retaining elements can be an "upside-down" T-shape, asymmetrically shaped, or it can even be an L-shape.
- the known retaining element is formed wholly from metal, namely aluminium. Metal is a good heat conductor.
- Metal is a good heat conductor.
- a colder outer temperature and a warmer inner temperature leads to the possible formation of condensation on the interior of the supporting structure as well as heat loss from the interior of the supporting structure. This occurs because the head section of the retaining element is in direct contact with the metal building sheets that are exterior to the support structure.
- the retaining element as a result cools and also cools the air surrounding it, which reduces the amount of water the air can hold and condensation can form.
- the condensation formation can lead to multiple problems within the support structure e.g. rotting of organic structures, corrosion of metallic structures.
- the known retaining element acts as a thermal-bridge. It also conducts heat to the interior if the exterior temperature is warmer than that of the interior. This phenomenon can lead to higher energy costs for cooling the building by e.g. air-conditioning.
- GB-A-2167101 discloses a retaining element according to the preamble of claim 1.
- One or more of these objects is achieved by connecting the engagement section and the base section by means for reducing the thermal conduction between the engagement section and the base section where the means has a lower thermal conductivity than the engagement section and base section.
- the means reduces the thermal flow in the retaining element when the exterior of the support structure is at a lower temperature than the interior as it has a lower thermal conductivity than the engagement and base sections.
- the parts of the retaining element below the means are thus at least partially insulated from the potentially cooler exterior temperatures and the problematic formation of condensation is reduced.
- the heat loss through the retaining element is also reduced.
- the means preferably comprise a connection section positioned in contact with the base section and engagement section and which separates the engagement section from the base section i.e. ensures they are not in direct contact with each other.
- the base section of the retaining element which is mounted on the support structure, is thus at least partially insulated from the potentially cooler exterior temperatures.
- connection section preferably interlocks with said base section and/or said engagement section.
- the retaining element does not require chemical bonding methods to ensure stability as the base section and/or engagement section engage mechanically with the connection section by overlapping or by the fitting together of projections and recesses.
- This structure has the advantage of improved mechanical stability as it reduces the likelihood of disengagement of the thermally insulating connection section from the engagement or base section.
- the retaining element requires considerable mechanical stability, as it needs to be able to withstand the loads exerted by the weight of the building sheets as well as any uplift caused by the wind acting on the building sheets.
- the base and/or engagement section preferably comprise at least one groove for receiving part of the connection section.
- the connection section thus extends at least partially into the base and/or engagement section and is compressed between the base and engagement section thereby reducing the likelihood of disengagement.
- At least one of the grooves is of substantially circular or truncated circular cross-section where the cross section is perpendicular to the direction of elongation of the retaining element.
- the connection section is thus firmly retained within the engagement and/or base section thereby further optimising mechanical stability.
- At least one of the grooves varies in cross-sectional width as it extends into the engagement and/or base section, where the cross section is perpendicular to the direction of elongation of the retaining element.
- the connection section is thus firmly retained within the engagement and/or base section thereby further optimising mechanical stability.
- the base section and engagement section preferably comprise at least two grooves each for receiving at least part of the connection section the mechanical stability of the retaining element is enhanced and the load diffusion between the engagement and base sections is improved.
- This improved load diffusion is particularly advantageous if the retaining element is used on a support structure exposed to snow fall as the retaining elements will need to be able to bear the load of the building sheets and a snow layer.
- the engagement and base sections are preferably metallic. When used on a structure in which the building sheets are exposed to the elements the retaining elements need to be able to withstand temperatures ranging from sub-zero to 70°C and above. Metals such as aluminium, steel or aluminium alloys are strong and can easily withstand the temperatures at the higher and lower ends of the scale as well as the temperature changes that will occur without their strength or stability being compromised to any significant extent.
- the present invention is particularly advantageous when the engagement and base sections are made from metal, as the high thermal conductivity of metals would otherwise lead to the occurrence of thermal-bridges.
- connection section is preferably made from a material with a thermal conductivity of less than 15 Watts/mK, preferably less than 10 Watts/mK or preferably less than 5 Watts/mK.
- the relatively low thermal conductivity of the material optimises the insulating effect of the connection section.
- the connection section may be made from a resilient plastic material.
- the resilience of the material has the advantage that there is less likelihood of failure when the elongate retaining element is subjected to dynamic and static transverse loads.
- Plastics are also materials with low thermal conductivity.
- the resilient plastic material can be for example polyamide, polyester, polyethylene, polyurethane, cellulose or modifications of any of these polymers. This list is not exhaustive and is non-limitative.
- the strength of the connection section is increased by using reinforced resilient plastic material.
- the resilient plastic material can be reinforced with, for example metal or glass, polyester, aramid or carbon fibres.
- Fig. 1 shows in cross-section a retaining element 1 in accordance with the present invention comprising an engagement section 22 made up of a head section 2 and an extended section 5, a base section 4 and means 36 connecting the base and engagement section in the form of a connection section 6.
- the means 36 may be positioned at any point between head section 2 and base section 4.
- the base section 4 is provided with holes 9 for fixing means for joining it to a support structure, for example, of a building.
- the upper portion of the base section 4 is provided with a groove 7, which receives part of the connection section 6.
- the upper portion of the base section is opposite to the surface, which, in use, is mounted on a support structure.
- the cross-section of groove 7 is wider in the interior of the base part 4 than at the opening 10 of the groove.
- the cross-section of the groove 7 is substantially T-shaped but may also comprise triangular extensions from each outer corner of the horizontal bar of the T.
- the extended section 5 extends perpendicularly from the base section 4 to the head section 2 and comprises a substantially identical groove, in its end nearest the base section 4, to that in the base section 4.
- Connection section 6 fits into the grooves in both the extended section 5 and the base section 4 and separates the sections from each other.
- the cross section of connection section 6 is substantially "I -shaped" and may comprise triangular extensions from each outer corner of the horizontal bars of the "I”. Connection section 6 interlocks with the base section 4 and extended section 5 and separates them from each other so that they are not in direct contact at any point.
- Connection section 6 has a lower thermal conductivity than that of the base section 4 and/or extended section 5.
- the cross-section of extended section 5 is wider in the region surrounding the groove than at the end joining the head section 2.
- the head section 2 engages and holds building sheet 3 as the free end of the building sheet is flanged over the head section.
- the retaining element illustrated in Fig. 2 comprises a base section 4 having a groove of substantially circular cross-section.
- the groove 8 extends from an opening 11 in the upper surface of the base section 4.
- the extended section 5 extends perpendicularly from the base section 4 and comprises a groove 8, having a substantially circular cross-section, in its end nearest the base section 4.
- the groove has an opening 12 in the lower portion of the extended section 5.
- the engagement section 22 comprises the head section 2 and extended section 5.
- the cross-section of connection section 6 is substantially shaped as a "dumb-bell" or in other words shaped as a short bar 15 with a circular protrusion 16 on each end. Each of the protrusions 16 is received into the groove in the extended 5 or base section 4.
- connection section 6 interlocks with the base 4 and extended sections 5.
- the bar section 15 of the cross section of connection section 6 maintains the separation of the base and extended sections.
- the bar section 15 of the connection section 6 is narrower than both the opening 11 of the groove in the base section 4 and than the opening 12 of the groove in the extended section 5.
- the upper surface 13 of the base section 4 in the region of the groove 8 is curved upwardly around the groove to the opening 11.
- the lower surface 14 of the cross section curves downwardly on both sides of the groove 12.
- the head section 2 engages and holds building sheet 3 as the free end of the building sheet is flanged over the head section.
- Fig. 3 shows another retaining element according to the invention comprising a base section 4 having three grooves 17, of substantially truncated circular cross-section, in the upper surface of the base section.
- the three grooves 17 may extend from a shallow channel in the base section 4 as shown in figure 3.
- Engagement section 22 comprises head section 2 and extended section 5.
- the extended section 5 also has three grooves of substantially circular cross section 17 which may also extend from a shallow channel in the extended section.
- the grooves are in the end of the extended section 5 nearest the base section 4.
- the connection section interlocks with the base section 4 and extended section 5.
- the connection section 6 is shaped in cross section as a rectangle 18 with protruding circular sections 19 on its long sides, which are received in the grooves 17 in the base and extended sections.
- the grooves in the base and extended sections extend from a shallow channel then part of the rectangular portion 18 of the connection section 6 (as seen in cross section) will be received in the shallow channels.
- the region of the extended section and the base section in this embodiment surrounding the grooves is wider than that of the embodiments shown in Figs 1 and 2, which have one groove in the base 4 and extended section 5 respectively.
- the head section 2 engages and holds building sheet 3 as the free end of the building sheet is flanged over the head section.
- Fig. 4 shows a retaining element according to the present invention with a base section 4 comprising three grooves 20 having a substantially wedge-shaped cross section, which tapers towards the upper surface of the base section 4. The interior of the groove is thus wider than the opening.
- Engagement section 22 comprises head section 2 and extended section 5.
- the extended section 5 also has three grooves, having a substantially wedge-shaped cross section, in its end nearest the base section 4. The cross section of the grooves tapers towards the lower surface of the extended section 5, thus the surface closest to the base section 4.
- the three grooves 20 may extend from a shallow channel in the base section 4 and/or the extended section 5 as shown in figure 4.
- the connection section interlocks with the base section 4 and extended section 5.
- connection section 6 is shaped in cross section as a rectangle 18 with protruding wedge-shaped sections 21 on its long sides, which are received in the grooves 20 in the base and extended sections. If the grooves in the base and extended sections extend from a shallow channel then part of the rectangular portion 18 of the connection section 6 (as seen in cross section) will be received in the shallow channels.
- the head section 2 engages and holds building sheet 3 as the free end of the building sheet is flanged over the head section.
- the base section 4 and engagement section 22 are both elongate and the direction of elongation of the base and engagement sections is the same as that of the retaining element.
- the connection section 6 is also preferably elongate with a direction of elongation the same as that of the retaining element, base section and engagements section.
- any one or more of the base 4, head 2 or extended 5 sections may be formed of metal such as carbon steel, stainless steel, magnesium or aluminium alloys and may be formed by, for example, extrusion, forging or die-casting. Any one or more of the base 4, head 2 or extended 5 sections may be formed of plastic material optionally in combination with metal parts.
- the plastic material may be resilient and may be reinforced with, for example, glass, polyester, aramid or carbon fibres.
- the connection section 6 may be formed from resilient plastic material, optionally in combination with metal parts, which may be reinforced with for example, glass, polyester, aramid or carbon fibres.
- the connection section 6 may be formed of metal.
- the building sheets are preferably formed of metal and more preferably from an aluminium alloy.
- the elongate retaining elements may be wholly or partially assembled prior to mounting on the support structure or may subsequently be assembled after the base section has been mounted on the support structure.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Tents Or Canopies (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
Description
- The present invention relates to an elongate retaining element for building sheets e.g. for a roof or façade, comprising an elongate engagement section with a head section at one end of said engagement section for engaging at least one building sheet, by flanging a free end of said building sheet over said head section, and an elongate base section for mounting the elongate retaining element on a support structure wherein the direction of elongation of the engagement section, base section and of the retaining element are the same. The present invention further relates to an assembly of at least one such elongate retaining element and at least one building sheet mounted thereby on a support structure and also to a connection section forming part of such an elongate retaining element.
- An example of such an elongate retaining element is known from Dutch patent no.
NL-190292 - The known retaining element is formed wholly from metal, namely aluminium. Metal is a good heat conductor. When using the known retaining element a colder outer temperature and a warmer inner temperature leads to the possible formation of condensation on the interior of the supporting structure as well as heat loss from the interior of the supporting structure. This occurs because the head section of the retaining element is in direct contact with the metal building sheets that are exterior to the support structure. The retaining element as a result cools and also cools the air surrounding it, which reduces the amount of water the air can hold and condensation can form. The condensation formation can lead to multiple problems within the support structure e.g. rotting of organic structures, corrosion of metallic structures. The known retaining element acts as a thermal-bridge. It also conducts heat to the interior if the exterior temperature is warmer than that of the interior. This phenomenon can lead to higher energy costs for cooling the building by e.g. air-conditioning.
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GB-A-2167101 - It is an object of the invention to provide an improved elongate retaining element.
- It is a further object of the invention to provide an elongate retaining element that reduces the risk of the retaining element acting as a thermal-bridge between the building sheets and the support structure.
- One or more of these objects is achieved by connecting the engagement section and the base section by means for reducing the thermal conduction between the engagement section and the base section where the means has a lower thermal conductivity than the engagement section and base section.
- The means reduces the thermal flow in the retaining element when the exterior of the support structure is at a lower temperature than the interior as it has a lower thermal conductivity than the engagement and base sections. The parts of the retaining element below the means are thus at least partially insulated from the potentially cooler exterior temperatures and the problematic formation of condensation is reduced. The heat loss through the retaining element is also reduced. There is also a reduction in the interior warming effect when the exterior temperatures are warmer than the interior temperatures.
- The means preferably comprise a connection section positioned in contact with the base section and engagement section and which separates the engagement section from the base section i.e. ensures they are not in direct contact with each other. The base section of the retaining element, which is mounted on the support structure, is thus at least partially insulated from the potentially cooler exterior temperatures.
- The connection section preferably interlocks with said base section and/or said engagement section. In this embodiment the retaining element does not require chemical bonding methods to ensure stability as the base section and/or engagement section engage mechanically with the connection section by overlapping or by the fitting together of projections and recesses. This structure has the advantage of improved mechanical stability as it reduces the likelihood of disengagement of the thermally insulating connection section from the engagement or base section. The retaining element requires considerable mechanical stability, as it needs to be able to withstand the loads exerted by the weight of the building sheets as well as any uplift caused by the wind acting on the building sheets.
- The base and/or engagement section preferably comprise at least one groove for receiving part of the connection section. The connection section thus extends at least partially into the base and/or engagement section and is compressed between the base and engagement section thereby reducing the likelihood of disengagement.
- Preferably at least one of the grooves is of substantially circular or truncated circular cross-section where the cross section is perpendicular to the direction of elongation of the retaining element. The connection section is thus firmly retained within the engagement and/or base section thereby further optimising mechanical stability.
- Preferably at least one of the grooves varies in cross-sectional width as it extends into the engagement and/or base section, where the cross section is perpendicular to the direction of elongation of the retaining element. Upon assembly the connection section is thus firmly retained within the engagement and/or base section thereby further optimising mechanical stability.
- The base section and engagement section preferably comprise at least two grooves each for receiving at least part of the connection section the mechanical stability of the retaining element is enhanced and the load diffusion between the engagement and base sections is improved. This improved load diffusion is particularly advantageous if the retaining element is used on a support structure exposed to snow fall as the retaining elements will need to be able to bear the load of the building sheets and a snow layer.
- The engagement and base sections are preferably metallic. When used on a structure in which the building sheets are exposed to the elements the retaining elements need to be able to withstand temperatures ranging from sub-zero to 70°C and above. Metals such as aluminium, steel or aluminium alloys are strong and can easily withstand the temperatures at the higher and lower ends of the scale as well as the temperature changes that will occur without their strength or stability being compromised to any significant extent. The present invention is particularly advantageous when the engagement and base sections are made from metal, as the high thermal conductivity of metals would otherwise lead to the occurrence of thermal-bridges.
- The connection section is preferably made from a material with a thermal conductivity of less than 15 Watts/mK, preferably less than 10 Watts/mK or preferably less than 5 Watts/mK. The relatively low thermal conductivity of the material optimises the insulating effect of the connection section. In a particular embodiment the connection section may be made from a resilient plastic material. The resilience of the material has the advantage that there is less likelihood of failure when the elongate retaining element is subjected to dynamic and static transverse loads. Plastics are also materials with low thermal conductivity. The resilient plastic material can be for example polyamide, polyester, polyethylene, polyurethane, cellulose or modifications of any of these polymers. This list is not exhaustive and is non-limitative. In a further embodiment the strength of the connection section is increased by using reinforced resilient plastic material. The resilient plastic material can be reinforced with, for example metal or glass, polyester, aramid or carbon fibres.
- The invention will now be illustrated by several non-limitative embodiments, with reference to the accompanying drawings, in which:
- Figs 1 to 4 show in cross section retaining elements in accordance with the invention where the cross section is perpendicular to the direction of elongation of the retaining element.
- Fig. 1 shows in cross-section a retaining element 1 in accordance with the present invention comprising an
engagement section 22 made up of ahead section 2 and an extendedsection 5, abase section 4 and means 36 connecting the base and engagement section in the form of aconnection section 6. Themeans 36 may be positioned at any point betweenhead section 2 andbase section 4. Thebase section 4 is provided withholes 9 for fixing means for joining it to a support structure, for example, of a building. The upper portion of thebase section 4 is provided with agroove 7, which receives part of theconnection section 6. The upper portion of the base section is opposite to the surface, which, in use, is mounted on a support structure. The cross-section ofgroove 7 is wider in the interior of thebase part 4 than at the opening 10 of the groove. The cross-section of thegroove 7 is substantially T-shaped but may also comprise triangular extensions from each outer corner of the horizontal bar of the T. Theextended section 5 extends perpendicularly from thebase section 4 to thehead section 2 and comprises a substantially identical groove, in its end nearest thebase section 4, to that in thebase section 4.Connection section 6 fits into the grooves in both theextended section 5 and thebase section 4 and separates the sections from each other. The cross section ofconnection section 6 is substantially "I -shaped" and may comprise triangular extensions from each outer corner of the horizontal bars of the "I".Connection section 6 interlocks with thebase section 4 andextended section 5 and separates them from each other so that they are not in direct contact at any point.Connection section 6 has a lower thermal conductivity than that of thebase section 4 and/orextended section 5. The cross-section ofextended section 5 is wider in the region surrounding the groove than at the end joining thehead section 2. Thehead section 2 engages and holdsbuilding sheet 3 as the free end of the building sheet is flanged over the head section. The advantages of such a retaining element are set out above. - The retaining element illustrated in Fig. 2 comprises a
base section 4 having a groove of substantially circular cross-section. Thegroove 8 extends from anopening 11 in the upper surface of thebase section 4. Theextended section 5 extends perpendicularly from thebase section 4 and comprises agroove 8, having a substantially circular cross-section, in its end nearest thebase section 4. The groove has anopening 12 in the lower portion of theextended section 5. Theengagement section 22 comprises thehead section 2 andextended section 5. The cross-section ofconnection section 6 is substantially shaped as a "dumb-bell" or in other words shaped as ashort bar 15 with acircular protrusion 16 on each end. Each of theprotrusions 16 is received into the groove in the extended 5 orbase section 4. Theconnection section 6 interlocks with thebase 4 andextended sections 5. Thebar section 15 of the cross section ofconnection section 6 maintains the separation of the base and extended sections. Thebar section 15 of theconnection section 6 is narrower than both theopening 11 of the groove in thebase section 4 and than theopening 12 of the groove in theextended section 5. Theupper surface 13 of thebase section 4 in the region of thegroove 8 is curved upwardly around the groove to theopening 11. Around theopening 12, inextended section 5, thelower surface 14 of the cross section curves downwardly on both sides of thegroove 12. Thehead section 2 engages and holdsbuilding sheet 3 as the free end of the building sheet is flanged over the head section. The advantages of such a retaining element are set out above. - Fig. 3 shows another retaining element according to the invention comprising a
base section 4 having threegrooves 17, of substantially truncated circular cross-section, in the upper surface of the base section. The threegrooves 17 may extend from a shallow channel in thebase section 4 as shown in figure 3.Engagement section 22 compriseshead section 2 andextended section 5. Theextended section 5 also has three grooves of substantiallycircular cross section 17 which may also extend from a shallow channel in the extended section. The grooves are in the end of theextended section 5 nearest thebase section 4. The connection section interlocks with thebase section 4 andextended section 5. Theconnection section 6 is shaped in cross section as arectangle 18 with protrudingcircular sections 19 on its long sides, which are received in thegrooves 17 in the base and extended sections. If the grooves in the base and extended sections extend from a shallow channel then part of therectangular portion 18 of the connection section 6 (as seen in cross section) will be received in the shallow channels. The region of the extended section and the base section in this embodiment surrounding the grooves is wider than that of the embodiments shown in Figs 1 and 2, which have one groove in thebase 4 andextended section 5 respectively. Thehead section 2 engages and holdsbuilding sheet 3 as the free end of the building sheet is flanged over the head section. The advantages of such a retaining element are set out above. - Fig. 4 shows a retaining element according to the present invention with a
base section 4 comprising threegrooves 20 having a substantially wedge-shaped cross section, which tapers towards the upper surface of thebase section 4. The interior of the groove is thus wider than the opening.Engagement section 22 compriseshead section 2 andextended section 5. Theextended section 5 also has three grooves, having a substantially wedge-shaped cross section, in its end nearest thebase section 4. The cross section of the grooves tapers towards the lower surface of theextended section 5, thus the surface closest to thebase section 4. The threegrooves 20 may extend from a shallow channel in thebase section 4 and/or theextended section 5 as shown in figure 4. The connection section interlocks with thebase section 4 andextended section 5. Theconnection section 6 is shaped in cross section as arectangle 18 with protruding wedge-shapedsections 21 on its long sides, which are received in thegrooves 20 in the base and extended sections. If the grooves in the base and extended sections extend from a shallow channel then part of therectangular portion 18 of the connection section 6 (as seen in cross section) will be received in the shallow channels. Thehead section 2 engages and holdsbuilding sheet 3 as the free end of the building sheet is flanged over the head section. The advantages of such a retaining element are set out above. - Only one
building sheet 3 is shown in Figs. 1 to 4 but the free ends of two building sheets can be flanged over thehead section 2, one from each side of the retaining element. Thebase section 4 andengagement section 22 are both elongate and the direction of elongation of the base and engagement sections is the same as that of the retaining element. Theconnection section 6 is also preferably elongate with a direction of elongation the same as that of the retaining element, base section and engagements section. - Any one or more of the
base 4,head 2 or extended 5 sections may be formed of metal such as carbon steel, stainless steel, magnesium or aluminium alloys and may be formed by, for example, extrusion, forging or die-casting. Any one or more of thebase 4,head 2 or extended 5 sections may be formed of plastic material optionally in combination with metal parts. The plastic material may be resilient and may be reinforced with, for example, glass, polyester, aramid or carbon fibres. Theconnection section 6 may be formed from resilient plastic material, optionally in combination with metal parts, which may be reinforced with for example, glass, polyester, aramid or carbon fibres. Theconnection section 6 may be formed of metal. The building sheets are preferably formed of metal and more preferably from an aluminium alloy. - The elongate retaining elements may be wholly or partially assembled prior to mounting on the support structure or may subsequently be assembled after the base section has been mounted on the support structure.
Claims (11)
- An elongate retaining element (1) for building sheets comprising an elongate engagement section (22) with a head section (2) at one end of said engagement section for engaging at least one building sheet (3), by flanging a free end of said building sheet over said head section (2), and an elongate base section (4) for mounting the elongate retaining element on a support structure wherein the direction of elongation of the engagement section, base section and of the retaining element are the same, characterised in that the engagement section and the base section are connected by means (36) for reducing the thermal conduction between the engagement section and the base section where the means has a lower thermal conductivity than the engagement section and base section.
- An elongate retaining element according to claim 1 wherein said means comprise a connection section (6) positioned in contact with the base section and engagement section (22) and which separates the engagement section from the base section (4).
- An elongate retaining element according to claim 1 or 2 wherein said connection section (6) interlocks with said base section (4) and/or said engagement section (5).
- An elongate retaining element according to claim 2 or 3, wherein said base (4) and/or engagement section (22) comprise at least one groove (7) for receiving part of the connection section.
- An elongate retaining element according to claim 4 wherein at least one groove is of substantially circular cross-section (8) or truncated circular cross-section (17), where the cross section is perpendicular to the direction of elongation of the retaining element.
- An elongate retaining element according to claim 4 wherein at least one groove (20) varies in cross-section as it extends into the engagement (22) and/or base section (4), where the cross section is perpendicular to the direction of elongation of the retaining element.
- An elongate retaining element according to claim 4, 5 or 6 wherein said base section and engagement section (22) comprise at least two grooves (17,20), each for receiving part of the connection section (6).
- An elongate retaining element according to any preceding claim, wherein the engagement section (22) and base section (4) are metallic.
- An elongate retaining element according to any preceding claim, wherein said connection section (6) is made from a material with thermal conductivity of less than 15 Watts/mK.
- An elongate retaining element according to any preceding claim, wherein said connection section (6) is made from resilient plastic material.
- An assembly comprising at least one building sheet and at least one elongate retaining element according to any one of claims 1 to 10 engaging said building sheet(s) to retain it on a support structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04713082A EP1599647B1 (en) | 2003-02-24 | 2004-02-20 | Elongate retaining element for building sheets |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03075544A EP1449979A1 (en) | 2003-02-24 | 2003-02-24 | Elongate retaining element for building sheets |
EP03075544 | 2003-02-24 | ||
EP03078269 | 2003-10-16 | ||
EP03078269 | 2003-10-16 | ||
PCT/EP2004/001719 WO2004074595A1 (en) | 2003-02-24 | 2004-02-20 | Elongate retaining element for building sheets |
EP04713082A EP1599647B1 (en) | 2003-02-24 | 2004-02-20 | Elongate retaining element for building sheets |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1599647A1 EP1599647A1 (en) | 2005-11-30 |
EP1599647B1 true EP1599647B1 (en) | 2007-08-29 |
Family
ID=31995551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04713082A Expired - Lifetime EP1599647B1 (en) | 2003-02-24 | 2004-02-20 | Elongate retaining element for building sheets |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1599647B1 (en) |
AT (1) | ATE371780T1 (en) |
DE (1) | DE602004008585T2 (en) |
FR (1) | FR2851778A1 (en) |
GB (1) | GB2398580B (en) |
WO (1) | WO2004074595A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2918746A2 (en) | 2014-03-14 | 2015-09-16 | Klaus Peter Abel | Curtain wall mounting system |
WO2023147614A1 (en) | 2022-02-02 | 2023-08-10 | Arnold Peter | Installation and securing system for panels or discs on an underlying surface |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0304400D0 (en) * | 2003-02-27 | 2003-04-02 | Toy John | Roof bracket |
WO2007134831A1 (en) * | 2006-05-24 | 2007-11-29 | Corus Bausysteme Gmbh | Retaining element with a detachable connection between connecting member and mounting element |
EP1942235A2 (en) * | 2007-01-05 | 2008-07-09 | John Toy | Cladding systems |
ITUD20080172A1 (en) * | 2008-07-21 | 2010-01-22 | Avantgarde S R L | HOOKING APPARATUS FOR A CHASSIS SUPPORTING COVERING ELEMENTS AND LOCKING ELEMENT USED IN THAT EQUIPMENT |
CH699778A1 (en) * | 2008-10-21 | 2010-04-30 | Wagner System Ag | Joint for building envelope panel. |
DE102013200211A1 (en) | 2013-01-09 | 2014-07-10 | Hilti Aktiengesellschaft | console |
LT6656B (en) | 2017-12-08 | 2019-09-25 | UAB "Serfas" | Bracket for ventilated facade |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034532A (en) * | 1976-05-13 | 1977-07-12 | Illinois Tool Works Inc. | Roof hold down clip assembly |
US4139974A (en) * | 1976-09-07 | 1979-02-20 | Atlanta Metal Products, Inc. | Standing T-rib roof system |
US4597234A (en) * | 1979-11-13 | 1986-07-01 | Harold Simpson, Inc. | Standing seam roof assembly |
DE3442407A1 (en) * | 1984-11-20 | 1986-05-28 | Kaiser Aluminium Europe Inc., 4000 Düsseldorf | HOLDING ELEMENT FOR SELF-SUPPORTING ELEMENTS, LIKE ROOF ELEMENTS, WALL COVERINGS AND THE LIKE |
ATE36888T1 (en) * | 1985-12-12 | 1988-09-15 | Bemo Elementbau Ag | FIXING SYSTEM FOR A ROOF COVERING OR WALL COVERING. |
DE4007247A1 (en) * | 1990-03-08 | 1991-09-12 | Peter M Dipl Ing Dinter | Dry-pressure glazing system - has hooked T-section covering member with multi-lip elastic seals under bar |
US5181360A (en) * | 1991-09-13 | 1993-01-26 | United Dominion Industries, Inc. | Standing-seam roof panel system |
-
2004
- 2004-02-04 GB GB0402404A patent/GB2398580B/en not_active Expired - Fee Related
- 2004-02-05 FR FR0401119A patent/FR2851778A1/en not_active Withdrawn
- 2004-02-20 WO PCT/EP2004/001719 patent/WO2004074595A1/en active IP Right Grant
- 2004-02-20 AT AT04713082T patent/ATE371780T1/en not_active IP Right Cessation
- 2004-02-20 DE DE602004008585T patent/DE602004008585T2/en not_active Expired - Lifetime
- 2004-02-20 EP EP04713082A patent/EP1599647B1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2918746A2 (en) | 2014-03-14 | 2015-09-16 | Klaus Peter Abel | Curtain wall mounting system |
DE102014003675A1 (en) | 2014-03-14 | 2015-09-17 | Klaus Peter Abel | Facade fixing system |
DE102014003675B4 (en) * | 2014-03-14 | 2016-06-09 | Klaus Peter Abel | Facade fixing system |
WO2023147614A1 (en) | 2022-02-02 | 2023-08-10 | Arnold Peter | Installation and securing system for panels or discs on an underlying surface |
Also Published As
Publication number | Publication date |
---|---|
DE602004008585D1 (en) | 2007-10-11 |
ATE371780T1 (en) | 2007-09-15 |
GB2398580A (en) | 2004-08-25 |
GB0402404D0 (en) | 2004-03-10 |
EP1599647A1 (en) | 2005-11-30 |
WO2004074595A1 (en) | 2004-09-02 |
DE602004008585T2 (en) | 2008-05-21 |
FR2851778A1 (en) | 2004-09-03 |
GB2398580B (en) | 2005-01-05 |
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