WO2009034286A1 - Systeme de parement pour batiments - Google Patents

Systeme de parement pour batiments Download PDF

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Publication number
WO2009034286A1
WO2009034286A1 PCT/GB2007/003466 GB2007003466W WO2009034286A1 WO 2009034286 A1 WO2009034286 A1 WO 2009034286A1 GB 2007003466 W GB2007003466 W GB 2007003466W WO 2009034286 A1 WO2009034286 A1 WO 2009034286A1
Authority
WO
WIPO (PCT)
Prior art keywords
anchor
rail
cladding system
spacer
back plate
Prior art date
Application number
PCT/GB2007/003466
Other languages
English (en)
Inventor
Brian Johnson
Original Assignee
Brian Johnson
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
Application filed by Brian Johnson filed Critical Brian Johnson
Priority to PCT/GB2007/003466 priority Critical patent/WO2009034286A1/fr
Publication of WO2009034286A1 publication Critical patent/WO2009034286A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
    • E04F13/0846—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements engaging holes or grooves in the side faces of the covering elements

Definitions

  • This invention relates to a system for cladding buildings, internally or externally, with facing slabs, e.g. of marble, granite, slate, glass, concrete etc.
  • GB 2352255 A discloses a cladding system which has extruded metal rails attached vertically to the structure of a building. Each rail is formed with a longitudinal dovetail-shaped channel in which anchor brackets are slidably engaged to hold the facing slabs. Each bracket has a back plate formed with a head for slidable engagement in the channels and a standoff member projects from the back plate to carry support lugs which engage in slots in the top and bottom faces of the slabs.
  • expansion joints In buildings which are more than a few metres high it is necessary to include expansion joints. In such a cladding system expansion may be allowed for by inserting load-bearing bottom anchors at the level of each floor in the building leaving a small gap between the top of one rail and the bottom anchor immediately above.
  • GB 2386618 A proposes a modified system in which the standoff member of each top anchor bracket includes a portion which extends upwardly from the back plate, and each bottom anchor includes a recess for receiving the standoff member of a top anchor bracket engaged with a rail which is fixed below the bottom anchor.
  • the present invention seeks to provide a new and inventive form of cladding system which, in general terms, is easier, quicker and more accurate to install, which, more particularly, allows specified expansion joint spacing to be accurately and reliably achieved, but which still meets the requirement of permitting the replacement of individual slabs or small sections of an installation should it become necessary to do so.
  • the present invention proposes a cladding system for buildings which includes:
  • brackets for slidable engagement in said channels for fixing slabs of cladding material to the rails, the brackets including top anchor brackets each having a back plate which slides against an associated rail in use, and a standoff member which extends upwardly from the back plate and carries a depending support lug; and
  • each bottom anchor includes a recess for receiving the standoff member of a top anchor bracket engaged with a rail which is fixed below the bottom anchor, in use; characterised by the provision of expansion joint spacers for insertion between the top of a fixed rail which, in use, is attached to the structure of the building and a bottom anchor which is to be fixed above the rail, each spacer being provided with locating means for positively positioning the spacer relative to both the fixed rail and the bottom anchor respectively in order to determine the fixing position of the bottom anchor relative to the fixed rail.
  • Figure 1 is a general exploded view of a bottom anchor, expansion joint spacer and rail for use in a cladding system in accordance with the invention
  • Figure 2 is a staggered vertical section through part of a cladding system in the region of an expansion joint, which incorporating rails, a bottom anchor and a top anchor bracket;
  • Figure 3 is a side view of an intermediate anchor bracket for use with the cladding system
  • Figure 4 is a general view of part of a slab of cladding material for use in cladding system.
  • Figure 5 is a general view of a locating key for use with the cladding system. DETAILED DESCRIPTION OF THE DRAWINGS
  • the cladding system includes a system of rails for vertical attachment to the structure of a multi-storey building with brackets slidably engaged in the rails to hold facing slabs.
  • Load bearing bottom anchors are used at the level of each floor to dead-load the slabs from the ring beam or floor slab of the building.
  • Fig. 1 shows a bottom anchor 1 for use in the present cladding system.
  • the anchor is formed of a block of structural grade aluminium alloy such as T6 alloy, having a substantially rectangular back wall 2 with straight longitudinal top and bottom edge faces 101 and 102.
  • a pair of mutually spaced co- planar bottom wall sections 3a and 3b project forwards from the lower edge of the back wall 2 forming an intervening gap or recess 4.
  • a pair of support lugs 5 and 6 project upwardly from the front edges of the respective bottom wall sections 3a and 3b, occupying less than the full width of the respective wall section.
  • the front face 103 of the back wall leads smoothly into the top face of each bottom wall section 3a and 3b via an arcuate area 7 (Fig. 2).
  • a pair of triangular fillets 8 and 9 join the side margins of each bottom wall section to the back wall 2, said fillets being disposed outside the width of the support lugs 5 and 6.
  • the back wall contains a pair of countersunk fixing holes 10.
  • a pair of mutually aligned vertical dovetail-shaped channels 11 and 111 are formed centrally in the back wall, between the bottom wall sections 3a and 3b, opening respectively through the top and bottom faces 101 and 102.
  • the top and bottom faces 101 and 102 contain a pair of drilled sockets 114, 115 and 116, 117 respectively.
  • the present system includes a top bracket 20 which is again formed of structural grade aluminium alloy.
  • the bracket includes a back plate 21 having a central vertically-extending dovetail-section head 22.
  • An inclined standoff element 23 projects from the front surface of the back plate 16 leading into a flat horizontal portion 25 which has a locating lug 26 depending perpendicularly from its front margin.
  • the junction regions are curved to avoid weaknesses at sharp corners.
  • the back plate 16 projects above its junction with the inclined standoff element 23, which improves the structural strength and positional stability of the bracket and, in combination with the other features described herein, materially assists in maintaining uniformity of the cladding system.
  • Fig.3 shows an intermediate bracket 120, which is also formed of structural grade aluminium alloy.
  • the bracket includes a back plate 121 having a central vertically-extending dovetail-section head 122.
  • a standoff wall 123 projects perpendicularly from the front surface of the back plate 121 to support a pair of upwardly and downwardly extending locating lugs 126 and 127.
  • the junction regions are curved to avoid weaknesses at sharp corners.
  • the back plate 121 projects below its junction with the standoff wall 123, which improves the structural strength and positional stability of the bracket and, in combination with the other features described herein, materially assists in maintaining uniformity of the cladding system.
  • the facing slabs may, for example, be of a quarried material such as marble or granite cut to standard dimensions.
  • the slabs 30 have spaced anchoring slots 32 cut into their upper and lower faces with shallow recesses 33 extending from the slots to the rear face of the slab.
  • the bottom anchors and top brackets are used with rails 41 which are extruded from a structural grade aluminium alloy.
  • the rails may be supplied in standard lengths (e.g. 3.5 m), several of which can be secured end-to-end to form a longer rail if necessary.
  • the extrusion is of rectangular bar section formed with a dovetail-shaped channel 42 which opens centrally through a front face of the extrusion.
  • the cross-sectional dimension of the channel 42 corresponds to the channels 11 and 111 of the bottom anchor described above.
  • Countersunk fixing holes (not shown) are provided at intervals along the rail on opposite sides of the channel 42.
  • Flat top and bottom end faces of each rail 41 include drilled sockets 144 and 145, which are disposed on opposite sides of the channel 42 in alignment with the sockets 114, 115 and 116, 117 of the bottom anchor 1.
  • Expansion joint spacers 161 are conveniently formed from short lengths of the rail extrusion, so that a dovetail-shaped channel 162 opens centrally through a front face of the spacer.
  • the spacer is formed with parallel planar end faces 163 and 164.
  • the length of the spacer i.e. the distance between the end faces 163 and 164, varies depending of the size of the expansion joint which is stipulated by architects or structural engineers in charge of the installation. The stipulated distance will typically range from 10mm to 70mm.
  • the end faces 163 and 164 also include drilled sockets 166, 167 and 168, 169 disposed on opposite sides of the channel 162 in alignment with the sockets 144 and 145 of the rails and the drilled sockets 114, 115 and 116, 117 of the bottom anchor 1.
  • a number of locating pins 171 are provided for reception in the drilled sockets, being of a suitable diameter to form a close sliding fit within the sockets.
  • the length of the pins is substantially twice the depth of a single socket. The use of these pins will be explained below.
  • the system preferably includes a number of dovetail-section locating keys 181 , shown in Fig. 5, which form a close sliding fit in the channels 42 of the rails 41 and the channels 11 and 111 of the bottom anchor 1.
  • FIg. 2 shows the cladding affixed to an external wall, two sections of which are shown 50.1 and 50.2 at the approximate level of a floor 52, incorporating a structural expansion joint 53. Below each expansion joint a rail 41.1 is fixed to the lower wall section 50.1 using standard fixing elements (e.g. bolts or screws).
  • the channel 42 may receive one or more intermediate brackets 120 if required, but a top bracket 20 is always used at the upper end of the rail.
  • a pair of locating pins 171 are inserted into the sockets 144 and 145 and an expansion joint spacer 161 is engaged with the pins such that the pins enter the sockets 168, 169 and the bottom end face 164 seats firmly against the end of the fixed rail 41.1.
  • Two further pins 171 are then inserted into the top sockets 166 and 167 and the bottom anchor 1 is engaged with the pins so that the bottom face 102 of anchor 1 seats firmly against the top face 163 of the spacer.
  • the opposed horizontal faces provide stable and positive vertical location of the bottom anchor whilst the pins provide positive lateral location of the anchor, allowing the fixing position of the anchor on the wall section 50.2 to be accurately marked.
  • the bottom anchor 1 and the spacer 141 are then removed so that the wall can be drilled to receive the fixings for the bottom anchor.
  • a locating key 181 is slid into the upper channel 11 to provide positive location of the next rail 41.2 which is fixed to the upper wall section 50.2 in contact with the top face 101 of the bottom anchor. Since the lower end of the channel 42 is not normally used the key 181 can be left in position to provide a permanent key between the bottom anchor 1 and the upper rail 41.2. However, if the keyway needs to be kept clear further locating pins 171 can be inserted into the sockets in the bottom of the rail and the top face 101 of the bottom anchor to provide alternative location means.
  • the bottom rail 41.1 thus terminates short of the next anchor bracket to form a stipulated expansion gap 56. Nevertheless, the fixed positions of the bottom anchors and rails are quickly and accurately determined during the installation process.
  • the intermediate brackets (if required) are located in the top slots 32 of each slab and the bottom slots of the slab immediately above.
  • the top anchor bracket 20 is slid up to the top of the rail so that the top portion of the bracket enters the recess 4 of the adjacent bottom anchor 1 , as shown in ghost outline. This allows the slab 30.1 to be moved into position, following which the top bracket 20 can be lowered into engagement with the top slot 32. It is therefore still possible to achieve relatively close spacing between the slabs in the region of the expansion joint.
  • Mastic sealant (not shown) will normally be inserted between the slabs and within the slots 32.
  • the replacement of intermediate slabs can easily be achieved by moving the top brackets 20into the recesses 4 so that the slabs of one storey can be removed without disturbing the slabs of the storeys above.
  • the lower channel 111 is intended for situations where no expansion joint is required between the bottom anchor and the rail 41 which is fixed immediately below.
  • a locating key 181 can be inserted into the lower channel 111 and channel 42 to provide positive location of the bottom anchor relative to the rail below.
  • slabs could be of any synthetic or natural material.
  • Other examples include slate, glass and concrete.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

Selon l'invention, des rails métalliques extrudés (41) comportant un canal longitudinal (42) sont fixés sur la structure d'un bâtiment pour recevoir coulissants des supports d'ancrage pour fixer des dalles (30) de matériau de parement, un ancrage inférieur (1) soutenant une dalle de matériau de parement au niveau de chaque étage. Un espaceur (161) est temporairement inséré entre la partie supérieure d'un rail fixe (41) et l'ancrage inférieur (1) qui doit être fixé au-dessus du rail. Chaque espaceur est pourvu de douilles de placement (166, 167) et (168, 169) comportant des tiges de placement (171) facilitant le positionnement de l'ancrage inférieur (1), la position dudit ancrage étant marquée. Après retrait de l'espaceur, les ancrages inférieurs sont fixés en position, laissant l'espace d'expansion nécessaire au-dessus du rail situé en dessous. Le système de parement selon l'invention permet d'accélérer le montage et de limiter sensiblement les erreurs de positionnement.
PCT/GB2007/003466 2007-09-13 2007-09-13 Systeme de parement pour batiments WO2009034286A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/GB2007/003466 WO2009034286A1 (fr) 2007-09-13 2007-09-13 Systeme de parement pour batiments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2007/003466 WO2009034286A1 (fr) 2007-09-13 2007-09-13 Systeme de parement pour batiments

Publications (1)

Publication Number Publication Date
WO2009034286A1 true WO2009034286A1 (fr) 2009-03-19

Family

ID=38664385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2007/003466 WO2009034286A1 (fr) 2007-09-13 2007-09-13 Systeme de parement pour batiments

Country Status (1)

Country Link
WO (1) WO2009034286A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338935A (zh) * 2017-07-23 2017-11-10 荆门创佳机械科技有限公司 一种用于墙面瓷砖施工的插销

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2352255A (en) * 1999-05-18 2001-01-24 Brian Johnson Cladding system for buildings
GB2386618A (en) * 2002-03-16 2003-09-24 Brian Johnson Cladding system for buildings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2352255A (en) * 1999-05-18 2001-01-24 Brian Johnson Cladding system for buildings
GB2386618A (en) * 2002-03-16 2003-09-24 Brian Johnson Cladding system for buildings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338935A (zh) * 2017-07-23 2017-11-10 荆门创佳机械科技有限公司 一种用于墙面瓷砖施工的插销

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