EP1847661A2 - Panneau résistant aux chocs - Google Patents

Panneau résistant aux chocs Download PDF

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Publication number
EP1847661A2
EP1847661A2 EP20070251690 EP07251690A EP1847661A2 EP 1847661 A2 EP1847661 A2 EP 1847661A2 EP 20070251690 EP20070251690 EP 20070251690 EP 07251690 A EP07251690 A EP 07251690A EP 1847661 A2 EP1847661 A2 EP 1847661A2
Authority
EP
European Patent Office
Prior art keywords
panel
cellular
vapour
apertures
layer
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.)
Withdrawn
Application number
EP20070251690
Other languages
German (de)
English (en)
Inventor
Domenic Tedesco
William Rutherford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CLYDESDALE BANK PUBLIC LIMITED COMPANY
Original Assignee
Powerwall Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0607908A external-priority patent/GB0607908D0/en
Priority claimed from GB0609342A external-priority patent/GB0609342D0/en
Application filed by Powerwall Systems Ltd filed Critical Powerwall Systems Ltd
Publication of EP1847661A2 publication Critical patent/EP1847661A2/fr
Withdrawn legal-status Critical Current

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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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels

Definitions

  • the present invention relates to panels and their use in the building and construction industry.
  • the panels comprise apertures of a variety of sizes which allows the panel to be vapour-permeable and also allows water to drain away.
  • the walls i.e. shells of the majority of residential property such as houses and flats, industrial property such as warehouses and factories, retail property such as shop units and shopping centres, and indeed any other type of building structure, have been constructed from bricks and/or building blocks such as breeze blocks.
  • the bricks and/or building blocks are adhered to one another using cement. Constructing buildings in this manner is a time consuming process which significantly contributes to the cost of a building. A skilled tradesman is also required in the construction of a brick wall.
  • a brick wall also tends to have imperfections such as slight curvatures and distortions which leads to, for example, difficulties when applying an outer finish such as a render.
  • the wall goes through a 'drying-out' process whereupon there may be some shrinkage in the wall which may lead to cracking and a loss of structural integrity.
  • brick walls may also be affected by bad weather such as frost and heavy rain. Additionally, brick walls may also be susceptible to dampness as bricks and cement have a tendency to retain moisture.
  • Building brick walls has the further disadvantage that brick walls are relatively heavy and require deep foundations to support the weight of a formed building. If deep foundations are required, this significantly adds to the cost of a building.
  • a further significant disadvantage of existing panels is that they have restricted fire protection, noise reduction and are difficult to fit and provide inefficient thermal insulation.
  • vapour-permeable structural panel comprising:
  • the panel according to the present invention has the dual function of allowing both vapour formed in the panel and water trapped in the panel to dissipate away.
  • the panel therefore prevents water vapour and moisture being retained in the panel which will adversely affect the structural integrity and the lifetime of the panel. Moisture remaining in the panel may also have an adverse affect on other structural units in a building.
  • the panels according to the present invention may therefore prevent vapour or water being retained in the frameworks of buildings. This has the advantage of maintaining the structural strength of a building and also increasing the lifespan of the building.
  • the cellular panel member may comprise a structural network with a plurality of interconnecting cell walls or edges.
  • the interconnecting cell walls or edges may be welded or adhered together with, for example, a resin, glue or adhesive film.
  • the interconnecting cell walls may have a thickness of between 0.01mm to 3mm.
  • the cellular panel member may be of any open network-type structure such as a honeycomb structure.
  • the cellular panel member may therefore have a plurality of openings which allows a lightweight and strong structure to be provided.
  • the openings may be hexagonal.
  • the openings may be of any suitable shape and may for example be selected from any 3 to 10 sided structure.
  • the shape of the openings in the cellular panel member may be selected from any of the following: circular; elliptical; triangular; any type of tetragon such as a square, rectangle, parallelogram or rhombus; pentagonal; hexagonal (for example, in the form of a honeycomb); heptagonal; octagonal; nonagonal; decagonal or any other type of polygon.
  • the openings in the cellular panel member may have a cross-sectional size of about 0.5 - 5 cm 2 .
  • the openings may have a cross-sectional size of about 1 cm 2 .
  • the openings in the open network-type structure may form a substantially regular pattern and may be substantially all of the same shape.
  • the first set of apertures may be located on a surface of the open-network type structure.
  • the first set of apertures facilitate the passage of vapour through and away from the panel.
  • the first set of apertures may be relatively small.
  • There may be a plurality of apertures which may be of any appropriate size such as about 0.05 - 2 mm and preferably about 1mm in diameter.
  • the first set of apertures may from a regular pattern throughout the open-network structure.
  • the apertures forming the first set of apertures may be spaced apart by about 5 - 20 mm.
  • the apertures in the first set of apertures may be provided on substantially all surfaces of the open-network structure to allow the vapour to pass through and away from the panel. In the event that vapour is trapped in the panel, the trapped vapour may condense and thereby form water in the panel.
  • the first set of apertures may therefore form a series of perforations which have the specific function of allowing vapour to pass substantially freely away from the panel.
  • the second set of apertures may be located throughout the open-network type structure.
  • the second set of apertures facilitate the passing of water through and away from the panel.
  • the apertures in the second set of apertures may have a significantly larger cross-sectional diameter than the apertures in the first set of apertures and may be of any suitable shape such as circular.
  • the apertures in the second set of apertures may have a cross-sectional diameter of about 5 - 20 mm and are specifically provided to allow any water that forms in the panel to drain away. Water may form via condensation such as from temperature changes from daytime to nighttime. Alternatively, there may be a leak in the structure of a building with the result that water may from in the panel. In the event that water remains in the panel, the panel may deteriorate over time and lose its structural strength. Moreover, the retained water may also come into contact with other structural features such as steel beams which may result in the weakening of a building.
  • the apertures forming the second set of apertures may be interspersed between a pattern of apertures forming the first set of apertures.
  • At least one face of the panel there may be at least at least one reinforcing layer.
  • the reinforcing layer may provide additional strength to the panel.
  • the at least one reinforcing layer may be formed from fiberglass, a fiberglass composite material, a fiberglass mat or chopped fiberglass strands.
  • the at least one reinforcing layer may have a thickness of between 0.01 to 5mm. Typically, the at least one reinforcing layer may have a thickness of about 0.5mm.
  • the at least one reinforcing layer may be in the form of a woven structure of interlacing fibers.
  • the interlacing fibers of the woven structure may be substantially perpendicularly oriented forming a mesh-like structure.
  • the reinforcing layer may allow vapour to permeate through the structural panel.
  • the cellular panel member may be formed from any of the following: a metal; polymeric material; alloy; or wood pulp.
  • the cellular panel member may be formed from sheet aluminium alloy.
  • the vapour-permeable structural panel may have a thickness of between 5mm and 50mm. Typically, the vapour-permeable structural panel may have a thickness of about 10mm, 15mm or 20mm.
  • the panel may be of a substantially planar type structure and may be cut or formed to any suitable size.
  • the vapour-permeable structural panel may have a weight of about 1 to 3kg/m 2 .
  • a vapour-permeable structural panel comprising:
  • the cellular panel member may be formed from sheet metal, polymeric material, alloy or wood pulp. Most preferably, the cellular panel member may be formed from sheet aluminium alloy.
  • the cellular panel member may be formed by initially forming the first and second apertures on a sheet of substantially flat material.
  • the first and second apertures may be formed using any form of cutting process such as using a blade with a cutting edge or using a laser. Alternatively, the first and second apertures may be punched out of the substantially flat material.
  • Adhesive material such as resin may then be applied in parallel lines onto sheet material comprising the first and second apertures.
  • the sheet material may then be cut and folded, or otherwise arranged, into layered sections so that the parallel lines of adhesive may be staggered from one layer to another.
  • the folded cut sections may then be heated under pressure.
  • the folded cut sections may then be pulled apart to form the cellular panel member.
  • the stretching may be electronically or manually controlled.
  • At least one reinforcing layer may be adhered onto at least one face of the cellular panel member.
  • reinforcing layers may be adhered to both front and rear faces of the panel.
  • the at least one reinforcing layer may formed from woven fiberglass, a fiberglass composite, a fiberglass mat or chopped fiberglass strands.
  • the fibers of the fiberglass, fiberglass composite, fiberglass mat or chopped fiberglass strands may be bound to other fibers of the fiberglass, fiberglass composite, fiberglass mat or chopped fiberglass and to the cellular panel member, with a resin or other settable material.
  • the resin may be a polyester resin, epoxy resin, phenolic resin, polyreutamic resin or combinations thereof.
  • the fibers of the fiberglass, fiberglass composite, fiberglass mat or chopped fiberglass strands may be woven thereby forming a layer of interlacing fibers.
  • the interlacing fibers may be substantially perpendicularly oriented.
  • the at least one reinforcing layer may be applied to a surface of the cellular panel member with a heated roller.
  • the heated rollers sets the resin in the reinforcing layer, binding the reinforcing layer to the cellular panel member. If required, further heating steps to fully set the resin may be used.
  • a wall section comprising:
  • the panels according to the present invention may be adapted to provide improved fire protection, noise reduction and thermal efficiency.
  • the panels may be attached to any other parts of a wall section such as a steel beam in a building or brickwork/breeze blocks.
  • the panel may be attached using any suitable type of mechanical fastening means such as nuts and bolts, screws, rivets or the like.
  • any suitable form of adhesive means such as adhesive pads may be used.
  • the panel may also be attached to other parts of a wall section using a water tight seal.
  • a water tight seal Any form of rubber seal or adhesive means forming a water tight seal may be used.
  • a pre-compressed neoprene and silicone seal and/or panel adhesive may be used.
  • the panel according to the present invention may be used in a variety of situations.
  • the panels may be used in a flue extract, in combination with a building expansion joint, in combination with a firebreak, in combination with a window, be located at an external corner of a building, in combination with eaves, in combination with a bell cast bead and any other suitable building construction.
  • the panel according to the present invention may be provided in combination with a variety of other materials such as fire protective material, noise reduction material and thermal layers.
  • the fire protective material may be any fire retardant material such as rock wool and mineral wool which has the function of acting as a fire break in the event of a fire.
  • Any suitable dense material may be used as noise reduction material.
  • dense rubber-like material such as PVP may be used.
  • Thermal layers such as glass wool, cellular glass, expanded polystyrene, shredded fibers, or any combination thereof may also be used. This allows the fitted panels to provide efficient thermal insulation for buildings such as office blocks and houses.
  • the surfaces may include one or more of: a glass matting embedded in resin; traditional render; wet dash; acrylics; marble; terracotta; dry dash; tyrolean finishes; high build finishes; ceramics; timber and aluminium finished metal glass mirrors; stone; granite; and silicone based coatings.
  • the unit On the outside of the wall section at the bottom there may be a unit which allows any collected water to drain away.
  • the unit may be a standard pipe unit which collects any water draining from the panels and allows this water to drain away.
  • a building incorporating a vapour-permeable structural panel according to the first aspect.
  • the vapour-permeable structural panel may form any part of the building such as any part of the walls, ceiling or the floor.
  • an impact resistant panel comprising:
  • the impact resistant panel is designed and adapted to resist damage from, for example, accidental or deliberate kicking from persons.
  • the impact resistant panel may therefore be substantially robust and have a high mechanical strength.
  • the impact resistant panel is intended to be used as a construction panel for the building industry.
  • the impact resistant panel is unitary with the insulation layer, cellular layer and reinforcing layer and this allows construction on a building site to occur quickly and easily. As the impact resistant panel comes as a unitary panel, it also eliminates any wastage and errors or faults in the construction process.
  • the insulation layer may be formed from any suitable material.
  • the insulation layer may be formed from any one of or combination of the following: foam, cellular glass, shredded cellular fibres or expanded polystyrene.
  • the insulation material is of a substantially light material and provides strength to the impact resistant panel.
  • the insulation layer may be of any suitable thickness such as between 1 to 20 cm or preferably about 5 to 10 cm.
  • the insulation layer may be a continuous layer in the impact resistant panel.
  • the cellular layer may be any structural network with a plurality of interconnecting cell walls or edges.
  • the cellular layer may be in the form of a honeycomb section.
  • any other suitable shape of mesh-like structure may be used such as comprising any of the following shape of apertures: circular; electrical, triangular; any type of tetragon such as a square; rectangle; parallelogram or rhombus; pentagonal; hexagonal; heptagonal; octagonal; nonagonal; decagonal; or any other type of polygon.
  • the cellular layer may be formed from an aluminium mesh.
  • the cellular layer may have a thickness of about 0.1 to 20 mm.
  • the cellular layer may be formed from any suitable material such as any metal, polymeric material, alloy or plastics material.
  • the cellular layer may be attached to the insulating layer using any suitable means such as any form of chemical bonding and/or adhesive.
  • the reinforcing layer may be of any suitable woven structure of interlacing fibres.
  • the interlacing fibres of the woven structure may be substantially perpendicularly oriented forming a mesh-like structure.
  • the reinforcing layer may be formed from fibreglass, a fibreglass composite material, a fibreglass mat or chopped fibreglass strands.
  • the function of the reinforcing layer is to provide strength to the impact resistant panel and to prevent the panel breaking and/or distorting on impact.
  • an outer surface of the impact resistant panel there may be applied a variety of one or more different surfaces such as any of the following: a glass matting embedded in resin; traditional render; wet dash; acrylics; marble; terracotta; dry dash; tyrolean finishes; high build finishes; ceramics; timber and aluminium finished metal glass mirrors; stone; granite; and silicone based coatings.
  • the adhesive layer may be substantially continuous on the impact resistant panel.
  • an impact resistant panel comprising:
  • a main support structure for a building said main support structure adapted to allow movement while keeping a support framework substantially stationary.
  • Attachment means may be provided which therefore allow the main support structure to have movement relative to the supporting framework.
  • the attachment means may, for example, be any suitable fixing which allows a degree of movement of the main support structure.
  • FIG. 1 represents an uninsulated system, generally designated 100.
  • the uninsulated system 100 comprises a substrate 110 in the form of a brick structure and a window frame 118. Attached to a lower surface of the substrate 110, using adhesive 112, and a mechanical fixing 116 such as a bolt, there is a panel 114 according to the present invention.
  • the panel 114 is of any suitable honeycomb structure which allows vapour to permeate therethrough and any water to drain away.
  • the panel 114 is described in more detail in Figure 2.
  • On a side surface of the substrate 110 there is a pre-compressed neoprene and silicone seal 120, panel adhesive 122, a honeycomb board 124 and an external render finish 126.
  • FIG 2 is a perspective view of a cellular panel 124 used in the vapour-permeable panel 114 shown in Figure 1.
  • the cellular panel 124 is in the form of an open honeycomb structure and comprises a series of large apertures 125 and small apertures 127.
  • the large apertures are located on upper and lower parts of the structure forming the open honeycomb structure.
  • the large apertures 125 have a cross-sectional diameter of about 10 mm and the small apertures have a cross-sectional diameter of about 1 mm.
  • the cellular panel 124 is breathable and allows free passage of vapour through the cellular panel 124. In the event of water entering the cellular panel 124, this may be drained away using the large apertures 125.
  • the cellular panel 124 forming the vapour-permeable panel 114 has a woven fiberglass reinforcing layer on the front and rear face of the panel 124.
  • the woven fiberglass reinforcing layers provide additional strength to the cellular panel 124.
  • FIG 3 is a sectional side view of a further system 200 according to the present invention.
  • the system 200 comprises a substrate 210 and a flue duct 211. Attached to the substrate 210, using adhesive 212 and a mechanical fixing 216 such as a bolt, there is a panel 214 according to the present invention.
  • the panel 214 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • there is also a mineral wool firebreak 232 which provides fire protection in the event of a fire.
  • On the outer surface there is a reinforcement mesh 230 embedded in adhesive and an outer render finish 240.
  • the system 200 may be used to provide fire protection in a building.
  • FIG 4 represents a further system 300 according to the present invention.
  • the system 300 comprises a substrate 310 of brick work.
  • a movement bead 342 which functions as a building expansion joint.
  • the system 300 also comprises a panel 314 according to the present invention attached to the substrate using adhesive 312.
  • the panel 314 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • the system 300 may therefore use panels according to the present invention in a building expansion joint.
  • Figure 5 represents a sectional view of a system 400 which provides a firebreak.
  • a panel 414 attached using adhesive 412.
  • the panel 414 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • panel adhesive 422 and render finish 440 As shown in Figure 5 there is a mineral wool firebreak 432.
  • the system 400 may therefore be used to provide a firebreak.
  • Figure 6 represents a sectional side view of a further system 500 according to the present invention.
  • a substrate 510 with a panel 514 attached thereto using adhesive 512.
  • the panel 514 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • panel adhesive 522 and an external render finish 540.
  • glass mesh joint reinforcement 550 embedded in a resin (e.g. Dunapox Ad23 Trade Mark) and hardener.
  • the system 500 provides improved insulation in building structures.
  • Figure 7 represents a further system 600 wherein there is a substrate 610.
  • a panel 614 attached to the substrate 610 using adhesive 612.
  • the panel 614 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • panel adhesive 622 and an external render finish 640.
  • a mechanical fixing bolt 616 is also used to provide further attachment of the panel 614.
  • the system 600 is used in combination with a window frame 618 and a pre-compressed neoprene and silicone seal 620 provides an effective water seal.
  • Figure 8 is a sectional side view of an uninsulated window system 700.
  • the panel 714 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • panel adhesive 722 and an external render finish 740.
  • a mechanical fixing bolt 716 is also used for additional attachment means.
  • FIG 9 is a sectional side view of a further system 800 according to the present invention.
  • the system 800 comprises a substrate 810.
  • adhesive 812 is used to attach panels 814.
  • the panels 814 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • a mechanical fixing bolt 816 is used for additional attachment means.
  • Figure 9 also shows that the system 800 comprises a mesh corner 860 embedded in panel adhesive.
  • Figure 10 shows a further system 900 according to the present invention for use with flush eaves.
  • Figure 10 shows that there is a gutter 970. Below the gutter 970, there is an eaves profile 972 and a pre-compressed neoprene and silicone seal 920. Below the pre-compressed neoprene and silicone seal 920, there is a panel 914 attached to a substrate 910.
  • the panel 914 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • the panel 914 is attached using adhesive 912 and a mechanical fixing 916 such as a bolt.
  • On the outer surface there is panel adhesive 922 and an external render finish 940. In the event that rain water enters the panel, this may be drained away using the apertures as shown in Figure 2.
  • Figure 11 shows a front view of a system 1000 according to a further embodiment of the present invention.
  • the system 1000 comprises a window 1012 and a base trim bead 1014.
  • Figure 11 also shows that there is glass mesh 1010 providing an insulation board fixing pattern and a plurality of mechanical fixings.
  • the system 1000 provides effective thermal insulation for a building.
  • FIG 12 is a sectional side view of a system 1100 according to a further embodiment of the present invention.
  • the system 1100 comprises a new over sill 1192 placed over an existing sill 1190.
  • continuous beads 1194 onto which the new over sill 1192 is disposed on.
  • Silicone mastic 1196 is also used for attachment.
  • Below the new over sill 1192 there is a pre-compressed neoprene and silicone seal 1120 providing an effective water seal.
  • neoprene and silicone seal 1120 providing an effective water seal.
  • Disposed on substrate 1110 there is a panel 1114 attached using adhesive 1112.
  • the panel 1114 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • FIG 13 is a sectional side view of a further system 1200 according to the present invention.
  • a substrate 1210 with a panel 1214a attached using adhesive 1222.
  • a mechanical fixing 1216 such as a bolt providing further attachment means.
  • panel adhesive 1222 and an external render finish 1240.
  • a bell cast bead 1217 is located below the panel 1214a.
  • the panels 1214a, 1214b comprise a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • Figure 14 represents a generic bell cast bead and is a sectional side view of a further system 1300 according to the present invention.
  • a substrate 1310 with a panel 1314 attached using adhesive 1322.
  • the panel 1314 comprises a honeycomb structure as shown in Figure 2 with woven glass fiber reinforcing layers on the front and rear faces.
  • All of the systems described above use panels according to the present invention which allow vapour formed in the panel and water trapped in the panel to dissipate away.
  • the panels comprise apertures of different size which allows vapour and water in the panel to be removed.
  • the panel therefore prevents water vapour and moisture being retained in the panel which will adversely affect the structural integrity and the lifetime of the panel. Moisture remaining in the panel may also have an adverse affect on other structural units in a building.
  • the impact resistant panel 1400 comprises an insulation layer 1410, an aluminium mesh layer 1412, a woven reinforcing layer 1414 and an outer adhesive layer 1416.
  • the impact resistant panel 1400 is formed using any appropriate manufacturing means and is specifically designed to have high impact resistance.
  • the insulation layer has a thickness of about 7 cm with the other layers being much thinner.
  • the reinforcing layer 1412 of aluminium mesh provides substantial strength to the impact resistant panel 1400 and prevents damage from high impact.
  • Figures 16 to 19 represent schematic representations of main supporting structures which are designed to allow movement while keeping light steel frames stationary in position.
  • the advantage of this is that this eliminates the need for movement joints in the cladding attached to the light steel frames, thereby providing the significant benefits of enhanced aesthetics, improved weather-tightness and prolonged durability.
  • Figure 16 is a representation which allows a top structure deflecting downwards while a bottom structure remains in position.
  • the structure generally designated 1500, comprises a main supporting structure 1512, a vertical stud 1516 on a frame 1514, a fixing 1518, a compressible neoprene washer/strip 1520 and a temporary packer 1522.
  • the screw head of the fixing is hard against a channel 1515.
  • the compressible neoprene washer/strip 1520 is not pre-compressed during installation.
  • the structure 1500 in Figure 2 therefore allows the main supporting structure 1512 to have movement whereas the vertical stud 1516 and frame 1514 remain fixed in place.
  • Figure 17 represents a further structure generally designated 1600 which comprises a main supporting structure 1612, a frame 1614, a vertical stud 1616, a fixing in the form of a screw 1618, a compressible neoprene washer/strip 1620 and a permanent packer 1622.
  • the structure 1600 in Figure 17 allows the main supporting structure 1612 to have movement whereas the frame 1614 and vertical stud 1616 are fixed.
  • the compressible neoprene washer/strip 1620 is not pre-compressed during installation.
  • the screw head of the stud 1618 is above a channel 1615 by a distance substantially equal to the maximum deflection under imposed load and finishes plus compressed thickness of the neoprene washer/strip 320.
  • the bottom structure deflects downwards while the top structure remains in position. This allows the top structure to deflect without affecting the light steel frame.
  • the frame is maintained in position by hanging from a top structure. Additionally, as shown in Figure 17, a screw head of the screw 1618 is hard against the channel 1615.
  • Figure 18 represents a further structure 1700 comprising a main support structure 1712, a frame 1714, a vertical stud 1716, an L-shaped bracket 1750, bolts 1760 and 1762, a washer 1764, a spring washer 1768, a nut 1772 and tightly-packed insulation 1770.
  • the bolt 1760 is fixed into a slotted hole in the bracket 1750.
  • the bolt 1760 is located at the bottom of the slot.
  • Figure 19 represents a further structure 1800.
  • the structure 1800 comprises a main supporting structure 1812, an L-shaped bracket 1850, bolts 1860 and 1862, a washer 1864 that allows sliding of the bracket 1850, a spring washer 1868 and a nut 1872.
  • the bolt 1860 is fixed into a slotted hole in the bracket 1850.
  • the bolt 1850 is located at the bottom of the slot.
  • the structures 1700,1800 shown in Figures 18 and 19 allow both top and bottom structures to deflect. No affect is formed on the light steel framing as both top and bottom parts of the structure allow movement. Deflection is greatest at a point along the structure and there are usually points of zero deflection. The frame is thus maintained in position by the diaphragm strength of the attached cladding and internal boards.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP20070251690 2006-04-21 2007-04-23 Panneau résistant aux chocs Withdrawn EP1847661A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0607908A GB0607908D0 (en) 2006-04-21 2006-04-21 Impact resistant panel
GB0609342A GB0609342D0 (en) 2006-05-11 2006-05-11 Improved panel

Publications (1)

Publication Number Publication Date
EP1847661A2 true EP1847661A2 (fr) 2007-10-24

Family

ID=38325204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070251690 Withdrawn EP1847661A2 (fr) 2006-04-21 2007-04-23 Panneau résistant aux chocs

Country Status (1)

Country Link
EP (1) EP1847661A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018127894A3 (fr) * 2018-04-13 2018-10-25 Business Performance Advisors, Sa. Panneau thermique réfléchissant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018127894A3 (fr) * 2018-04-13 2018-10-25 Business Performance Advisors, Sa. Panneau thermique réfléchissant

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