EP1205610B1 - Montage d'une paroi ou toiture - Google Patents

Montage d'une paroi ou toiture Download PDF

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Publication number
EP1205610B1
EP1205610B1 EP01309456A EP01309456A EP1205610B1 EP 1205610 B1 EP1205610 B1 EP 1205610B1 EP 01309456 A EP01309456 A EP 01309456A EP 01309456 A EP01309456 A EP 01309456A EP 1205610 B1 EP1205610 B1 EP 1205610B1
Authority
EP
European Patent Office
Prior art keywords
support member
bracket
sub
leg
legs
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
Application number
EP01309456A
Other languages
German (de)
English (en)
Other versions
EP1205610A1 (fr
Inventor
Peter Taylor
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.)
Talfab Holdings Ltd
Original Assignee
Talfab Holdings 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
Application filed by Talfab Holdings Ltd filed Critical Talfab Holdings Ltd
Publication of EP1205610A1 publication Critical patent/EP1205610A1/fr
Application granted granted Critical
Publication of EP1205610B1 publication Critical patent/EP1205610B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3602—The fastening means comprising elongated profiles installed in or on the insulation layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • 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
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing

Definitions

  • the present invention relates to a sub-structure for retaining sheet material forming an outer surface of a building in spaced relation to an underlying structure.
  • the sub-structure may be used to support a new outer roof or wall surface in spaced apart relation to an existing roof or wall, or other suitable underlying structures (such as joists formerly supporting a replaced roof).
  • the invention relates in particular to support members to which the outer roof or wall surface is attached and to brackets by means of which the support members are attached in spaced relation to the underlying structure.
  • FR-A-2 782 336 describes metal stirrup pieces which are inserted in the hollows of existing corrugated roofing members to support an outer roof.
  • the metal stirrup pieces may have outwardly inclined edges which engage with a longitudinally extensive support member.
  • FR-A-2 467 927 describes a ceiling suspension system in which a supporting member engages with a bracket having arcuate comers.
  • the refurbishment of roofs or walls of existing buildings may be achieved by providing a supporting grid over the existing wall or roof to which a new wall or roof outer surface is attached.
  • the supporting grid must be attached to an existing structural element of the building such as an existing wall or existing roof joists and brackets are provided so that the supporting grid is in spaced relation to the existing structure.
  • the supporting grid is simply attached to suitable structural elements of the building.
  • GB-A-2 148 975 describes one form of such a structure in which a bracket is located in a generally "C" shaped support member by a twist and lock action.
  • a disadvantage of the system described in GB-A-2 148 975 is that in use the bracket may be caused to rotate so that it becomes loose and allows movement of the new roof/wall structure.
  • brackets for each support member, accurate location of all the brackets is difficult and it can also be difficult to adjust the position of a wrongly located bracket.
  • brackets are not secured to the underlying structure until after they have been located in the support member and the support member has been placed in position.
  • the support member interferes with access to the bracket for inserting and tightening fixings (usually self-tapping screws) which is inconvenient and does not promote secure and accurate fixing of the brackets.
  • the present invention seeks to overcome the above disadvantages.
  • the brackets can easily and accurately be attached at desired locations on the underlying structure, and access for the bracket fixing is not hindered by the presence of the support member.
  • a sub-structure for retaining sheet material forming an outer surface of a building in spaced relation to an underlying structure comprising:
  • At least part of the engagement formation(s) may enter the recesses to an extent that the support member adopts substantially its rest configuration when mounted on the bracket in the use position.
  • At least one of the side edges of the bracket may include a portion having a convex profile whereby the second portion is so sized and shaped that the at least one resiliently deformable leg is deformed away from the rest condition as the support member is mounted on the bracket.
  • the second portion of the bracket may comprise a substantially straight top edge which lies in use proximate the undersurface of the support surface of the support member, the portion having a convex profile depending from one end of the top edge, and an arcuate portion leading from the other end of the top edge to the other of the side edges.
  • the first portion of the bracket may include a foot which contacts the underlying structure in use and by means of which the bracket is secured in use to the underlying structure.
  • the outer surface of the wall comprises sheet material 1 in the form of a series of overlapping corrugated panels.
  • the panels of sheet material 1 are mounted on a C-section supporting member 2 which in turn is mounted on brackets 3.
  • the brackets 3 are provided with slots 4 into which lips 5,6 of support member 2 are inserted (by a twisting of the bracket 3) to lock the bracket 3 in the support member 2.
  • the sheet material 1 is secured to the brackets 3 by means of self tapping screws (not illustrated).
  • the assembly of Figures 1 and 2 is also provided with a lining 7 of sheet material, thereby to define a cavity 8 between the sheet material 1 and the lining 7.
  • the lining 7 is attached to the underlying structure 9 of the building.
  • the brackets 3 are attached at 10 (by self tapping screws) to the underlying structure 9.
  • Figure 3 shows another prior art structure comprising a bracket 30 and a support member 31.
  • Sheet material 32 is attached to the top surface 33 of support member 31.
  • the bracket 30 is mounted on underlying structure 34 by means of a foot 35.
  • a liner 36 is disposed on the underlying structure 34 and passes between the bracket 30 and the underlying structure 34.
  • the bracket 30 includes tongues 37, 38 and slots 39, 40 which co-operate with recesses 41, 42 formed in the support member 31 to retain the support member 31 on the bracket 30.
  • Elements 43, 44 (which project out of the plane of the paper) act to prevent rotation of bracket 30 in support member 31.
  • brackets In both constructions illustrated in Figures 1 to 3 it is a particular disadvantage that the brackets must first be set in position in the support member before the support member (with the brackets attached) is placed in its location of use. It is often the case, especially, for example, when covering an underlying surface such as an old wall or roof with a corrugated profile, that the brackets must be disposed (with respect to the underlying structure) in specific locations, with limited margin for error. Such specific locations may, for example, be the valleys in the corrugated profile of the underlying structure, or the location of particular elements of the underlying structure capable of supporting the new sheet material outer surface via the brackets.
  • the present invention seeks to overcome these deficiencies.
  • Figures 4 and 5 illustrate respectively a part of a bracket 50 and a support member 70, in accordance with the present invention. Only the upper part of the bracket is shown in Figure 4.
  • the lower part of the bracket (not illustrated) by means of which it is attached to the underlying structure may be formed as known from the prior art.
  • one or more feet may be formed at the base of the bracket extending generally perpendicularly with respect to the main portion of the bracket, these feet including one or more holes for fixings such as self tapping screws.
  • the bracket 50 includes a top edge 51 which is generally straight and side edges generally indicated at 52 and 53. Recesses 54 and 55 are formed in side edges 52 and 53 respectively.
  • the bracket 50 is preferably formed from steel (especially galvanized steel) or may be formed from other suitable material having the required characteristics of strength and rigidity.
  • the bracket may be formed from a web of steel material having a thickness of between 1mm and 5mm, preferably about 3mm.
  • the support member 70 is illustrated in transverse cross-section and extends along a major axis perpendicular to the plane of the paper. The length of a given support member will depend on the particular circumstances of its use, but may be several metres.
  • the support member 70 includes a support surface 71 to which, in use, the sheet material forming the (new) outer surface of the building is attached.
  • the sheet material will often take the form of rolled metal sheets, such as of steel or aluminium. These sheets can be formed with a corrugated or ridged profile and adjacent sheets will normally overlap and, ideally be provided with inter-engaging means to hold the sheets together to form a single surface. Other sheet materials can also be used, such as suitably strong and durable plastics materials.
  • a lining material for example a waterproof lining material, co-extensive with the sheet material, may be placed between the support surface 71 and the sheet material.
  • the support surface 71 may be formed with a number of ribs which may be longitudinal, transverse, or in other directions. These ribs may serve to increase the rigidity of the support surface and it has been suggested that the resistance to being pulled out of a fixing of particular thread diameter may be improved by the presence of the ribs.
  • this advantage is only likely to be achieved when the fixing passes through a valley between the ribs and such precision in location of the fixing may not be possible where, for example, the ribs on the support surface 71 are obscured by a liner.
  • legs 72, 73 which are as illustrated preferably of unequal length, although this need not necessarily be so.
  • the free ends 74, 75 of the legs 72, 73 are provided with engagement formations 76, 77 which preferably extend continuously along the length of the support member 70.
  • the engagement formations 76, 75 are formed as lips or hooks depending from the respective legs 72, 73.
  • the support member 70 is preferably made from steel, especially galvanized steel, having a thickness of from 0.5 to 5mm, especially about 1mm to 2mm, particularly about 1.25mm. Other materials may be used provided that they are suitable for fixing the sheet material and meet other requirements outlined below.
  • the bracket 50 includes a portion 56 of the side edge 52 having an outwardly convex profile 57.
  • the portion 56 in the embodiment illustrated depends from the top edge 51 and terminates at the upper limit 58 of recess 54.
  • the portion 56 is illustrated in Figure 4 as having a smoothly progressive convexly curved surface, and this is the preferred arrangement as it provides the easiest mounting of the support member 70 on the bracket 50.
  • other convex profiles may be suitable, such as a more steeply curved surface, or two plane surfaces extending respectively from the top edge 51 and the upper limit 58 of recess 54 and meeting at an apex, provided only that the support member 70 can be mounted on the bracket 50 by means of a reasonable force applied to cause resilient deformation of the support member 70, as described below.
  • a portion 59 of the side edge 53 between the top edge 51 and the recess 55 has a generally arcuate shape.
  • the leg 72 of support member 70 is resiliently deformable from the rest condition illustrated in Figure 5 generally in the direction indicated by arrow A. The spacing d between the free end 74 of leg 72 and leg 73 is thereby increased. When the leg 72 is no longer subjected to the force causing the deformation, the leg 72 returns resiliently to the rest condition illustrated in Figure 5. If desired, the leg 73 may be resiliently deformable and the support surface 71 may also be capable of some resilient deformation.
  • the brackets are first secured in the desired locations on the underlying structure.
  • the underlying structure may be an existing wall or roof, or other suitable structural frameworks or elements of a building.
  • the brackets may be secured by suitable fixings such as self tapping screws, or may be fixed to the underlying structure by means of an adhesive.
  • the support member is placed loosely over the brackets so that the upper portions of the brackets 50 begin to enter the hollow region 78 of the support member 70 defined by the legs 72, 73 and support surface 71.
  • the brackets 50 are initially prevented from fully entering the hollow region 78 of the support member 71 because the width of the bracket 30 in the area including the convexly profiled region 57 is greater than the spacing d of the support member.
  • a force is then applied to the support member 70, usually to the support surface 71, to urge the support member 70 further onto the brackets 50.
  • the leg 72 of the support member 70, and possibly other parts of the support member 70, are caused to deform resiliently so that the spacing d is increased. In this way, the free ends 74, 75 of the legs 72,73 can slide over the convexly profiled surface 57 and arcuate surface 59 respectively so that the upper portions of bracket 30 enter further into hollow region 78.
  • the engagement formations 76, 77 enter the respective recesses 54, 55 so that the support member 70 resiliently returns to its rest condition with a "snap" action.
  • the engagement formations 76, 77 co-operate with the upper edges 58, 60 of the recesses 54, 55 in a latching action to retain the support member 70 securely on the brackets 50.
  • the support member 70 should have a sufficient resistance to resilient deformation so that a substantial force is required to urge the support member 70 into engagement with the brackets 50. In this way, the support member 70 is securely retained on the brackets 50 because a large force is required in order to overcome the resistance to deformation of the support member 70 and to urge it out of engagement with the brackets 50.
  • a minimum force of approximately 600N, more especially 1000N should be required. The required force will, of course, be determined by factors such as the material used to form the support member 70, the thickness of the material and the degree of deformation which is required.
  • Figure 6 illustrates a variation of the support member 70 in which the engagement formation 77 is replaced by a protrusion or knee 79 formed in the leg 73.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Body Structure For Vehicles (AREA)
  • Finishing Walls (AREA)

Claims (5)

  1. Une substructure pour retenir un matériau en tôle/feuille qui forme une surface extérieure d'un bâtiment en relation écartée relativement à une structure sous-jacente, la substructure comprenant :
    (i) un élément de support (70) qui s'étend longitudinalement, ayant une surface de support (71) adaptée pour recevoir le matériau en tôle/feuille et une première et une deuxième branches (72, 73) suspendues depuis des bords latéraux respectifs de la structure de support et ayant chacune une extrémité libre (74, 75) en aval de la surface de support et comprenant une formation d'engagement (76, 77), la surface de support et les branches délimitant un intérieur creux (78) de l'élément de support, la première (72) au moins des première et deuxième branches étant élastiquement déformable depuis un état de repos jusqu'à un état en lequel les branches sont écartées davantage ; et
    (ii) un élément de fixation (50) qui comprend une première partie adaptée pour être fixée à la structure sous-jacente et une deuxième partie adaptée pour reposer sensiblement dans l'intérieur creux (78) de l'élément de support (70), la deuxième partie ayant un bord supérieur (51) et un premier et un deuxième bords latéraux (52, 53) disposés l'un en face de l'autre, adaptés pour reposer à proximité des surfaces intérieures respectives des première et deuxième branches (72, 73), chaque bord latéral comprenant un évidement (54, 55) qui coopère avec la formation d'engagement (76, 77) sur la branche respective, pour retenir l'élément de support (70) sur l'élément de fixation,
    dans laquelle la première branche (72) de l'élément de support est plus longue que la deuxième branche (73), et l'évidement (54) dans le premier bord latéral (52) de l'élément de fixation est à une plus grande distance du bord supérieur (51) que l'évidement (55) dans le deuxième bord latéral (53), et
    caractérisée en ce que le premier bord latéral (52) de la deuxième partie de l'élément de fixation et dimensionné et conformé de sorte qu'au moins la première branche (72) de l'élément de support (70) est déformée à partir de son état de repos quand l'élément de support est monté sur l'élément de fixation, pour être engagée avec ledit élément de fixation par un mouvement d'encliquetage.
  2. Une substructure selon la revendication 1, caractérisée en ce qu'une partie au moins de la formation (ou des formations) d'engagement (76, 77) pénètre dans les évidements (54, 55) jusqu'à un point auquel l'élément de support (70) adopte sensiblement sa configuration de repos lorsqu'il est monté sur l'élément de fixation (50) en sa position d'utilisation.
  3. Une substructure selon la revendication 1 ou 2, caractérisée en ce qu'au moins l'un des bords latéraux (52, 53) de l'élément de fixation (50) comprend une partie (57) ayant un profil convexe, la deuxième partie étant dimensionnée et conformée de sorte que la branche (au moins une) élastiquement déformable (72, 73) est déformée en s'écartant de son état de repos quand l'élément de support (70) est monté sur l'élément de fixation.
  4. Une substructure selon la revendication 3, caractérisée en ce que la deuxième partie de l'élément de fixation (50) comprend un bord supérieur sensiblement rectiligne (51) qui, pendant l'emploi, repose à proximité de la surface inférieure de la surface de support (71) de l'élément de support (70), la partie (57) ayant un profil convexe suspendu depuis une extrémité du bord supérieur, et une partie arquée (59) qui va de l'autre extrémité du bord supérieur jusqu'à l'autre bord latéral.
  5. Une substructure selon l'une quelconque des revendications précédentes, caractérisée en ce que la première partie comprend un pied qui, pendant l'emploi, entre en contact avec la structure sous-jacente, et au moyen duquel l'élément de fixation (50) est fixé à la structure sous-jacente pendant l'emploi.
EP01309456A 2000-11-08 2001-11-08 Montage d'une paroi ou toiture Expired - Lifetime EP1205610B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0027276A GB2369131A (en) 2000-11-08 2000-11-08 Wall and roof assemblies
GB0027276 2000-11-08

Publications (2)

Publication Number Publication Date
EP1205610A1 EP1205610A1 (fr) 2002-05-15
EP1205610B1 true EP1205610B1 (fr) 2004-07-14

Family

ID=9902784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01309456A Expired - Lifetime EP1205610B1 (fr) 2000-11-08 2001-11-08 Montage d'une paroi ou toiture

Country Status (4)

Country Link
EP (1) EP1205610B1 (fr)
AT (1) ATE271166T1 (fr)
DE (1) DE60104265D1 (fr)
GB (1) GB2369131A (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467927A1 (fr) * 1979-10-16 1981-04-30 Placoplatre Sa Suspente
US5425209A (en) * 1982-12-22 1995-06-20 Gantan Beauty Kogyo K.K. Device for incorporating layer member in face construction of building
GB8329626D0 (en) 1983-11-05 1983-12-07 Ash & Lacy Plc Wall/roof assemblies
US5020293A (en) * 1989-01-27 1991-06-04 Tamatoshi Industries Limited Decorative panel assembly
GB9002612D0 (en) 1990-02-06 1990-04-04 Ash & Lacy Building Prod Ltd Wall/roof assemblies
FR2711695B1 (fr) * 1993-10-21 1995-12-22 Knauf Cie Platres Suspente pour profilé de grande portée, notamment pour la réalisation de faux-plafonds.
GB9711523D0 (en) * 1997-06-05 1997-07-30 Metsec Plc Structural systems
DE29717268U1 (de) * 1997-09-26 1997-11-27 Haase Fassade Vertriebs GmbH, 22941 Jersbek Halterung für lange Profiltafeln zur Bekleidung von Bauwerken an Wänden und Dächern
GB2332004B (en) * 1997-12-02 2002-04-10 Instafibre Ltd Resilient support system for walls
FR2782336B1 (fr) * 1998-08-11 2001-03-23 Roger Brizard Procede et dispositif pour creation d'une surcouverture sur plaques en fibres d'amiante ciment ondulees

Also Published As

Publication number Publication date
EP1205610A1 (fr) 2002-05-15
GB2369131A (en) 2002-05-22
ATE271166T1 (de) 2004-07-15
DE60104265D1 (de) 2004-08-19
GB0027276D0 (en) 2000-12-27

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