EP0342044A1 - Metallisches Verkleidungselement - Google Patents

Metallisches Verkleidungselement Download PDF

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Publication number
EP0342044A1
EP0342044A1 EP89304807A EP89304807A EP0342044A1 EP 0342044 A1 EP0342044 A1 EP 0342044A1 EP 89304807 A EP89304807 A EP 89304807A EP 89304807 A EP89304807 A EP 89304807A EP 0342044 A1 EP0342044 A1 EP 0342044A1
Authority
EP
European Patent Office
Prior art keywords
sheet
formation
hook
valley
formations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89304807A
Other languages
English (en)
French (fr)
Other versions
EP0342044B1 (de
EP0342044B2 (de
Inventor
Michael John Bayley
Peter Godfrey Buxton
Tarlochan Singh Saini
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 LIMITED
Original Assignee
British Alcan Aluminium 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10636874&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0342044(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Alcan Aluminium Ltd filed Critical British Alcan Aluminium Ltd
Priority to AT89304807T priority Critical patent/ATE73192T1/de
Publication of EP0342044A1 publication Critical patent/EP0342044A1/de
Publication of EP0342044B1 publication Critical patent/EP0342044B1/de
Application granted granted Critical
Publication of EP0342044B2 publication Critical patent/EP0342044B2/de
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
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
    • 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
    • E04F13/12—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 of metal or with an outer layer of metal or enameled metal

Definitions

  • This invention relates to metal sheeting.
  • Metal profiled sheets are frequently used as roof panels and for other building cladding purposes. It is well known to provide a metal sheet which is pre-formed with integral ribbing so that it may readily be interlocked at adjoining edges with a similar sheet and which may be fastened to a support without the fastening means being exposed to the environment or being on the visible side of the sheet. These products may include separate fixing clips and involve on site roll forming to close the interlocking seams. All such products are usually referred to as "raised seam cladding". Many examples of such profiled sheets are known and they are frequently roll-formed from an aluminium alloy as well as other metallic materials.
  • each sheet has a first upstanding hook formation along one edge and a second upstanding formation along an opposite edge of the sheet with a hook receiving part and a valley in the plane of the sheet through which fasteners can be passed.
  • first formation of one sheet hooks on to the hook receiving part of an adjoining sheet and covers the valley and its fasteners.
  • the sheets From their outer surfaces the sheets then present a generally flat appearance having spaced apart upstanding ribs with no fasteners visible. These ribs are usually referred to as "raised seam”.
  • the sheets when used as roof panels, the sheets need to be fully supported on a pre-prepared flat surface and are not strong enough to span any worthwhile distance between supporting purlins. It is however clearly desirable to provide sheets that can be supported at intervals, as between spaced apart purlins, and it is further desirable that the sheet should be wider so that the spacing between the raised seams is increased. In addition the sheets should be strong enough to support snow loads, wind loads both in pressure and suction and so that, for example, operatives can walk on them.
  • a metal sheet having a first upstanding hood formation along one edge and a second, upstanding hook receiving formation and a valley along an opposite edge the arrangement being such that the sheet can be fastened directly to a support without the interposition of separate clips and so that the first formation of one sheet can hook over the second formation of an adjoining sheet and cover its valley characterised by latching means acting between the formations so that after interlocking the sheets said one sheet can be rotated about the hook receiving formation of the other sheet through at least 25° before the formations can be disengaged.
  • the rotation preferably occurs without significant distortion of the material of either sheet.
  • the latching action ceases to function, and further rotation through at least 10° is required before the formations can be disengaged.
  • a roll-formed aluminium alloy sheet 1 has along one side edge 2 a first, hook, formation indicated generally at 3 which is upstanding from the outer surface 4 of the sheet. At its other side edge 5 the sheet has a second, hook receiving, formation indicated generally at 6 and a valley 7. The formations 3 and 6 are separated by a web 8 which is coplanar with the floor 9 of the valley 7. A number of stiffening ribs 8 b may be formed in the sheet.
  • the hook formation 3 comprises a sloping part 10, a wall 11 approximately at right angles to the web 8, a flat 12 and downwardly and inwardly projecting parts 13 and 14 constituting a hook having a curved part 15. As shown the outer end of the part 14 is curved to be approximately parallel with the wall 11 and to allow run-out on the edge of the sheet material on roll forming.
  • the hook receiving formation comprises a sloping part 16 the upper end 16 b of which is approximately at right angles to the web 8 and is then folded at a part 17 which, together with the wall 16 b defines a hook receiving formation as will be described later.
  • the lower end of the folded part 17 is formed as a hollow bead 18 and the rolled material of the sheet is then formed as a platform 19 with a recess 20, a side wall 21 approximately at right angles to the web 8 leading to the valley 7, the floor 9 of which has an upwardly turned part 22 and a lip 23 at the same angle to the web 8 as the sloping part 10.
  • the lip 23 allows run out of the edge of the sheet material on roll forming.
  • Fig. 3 shows how the hook formation 3 engages over the hook receiving part 6 of an adjoining sheet.
  • the same reference numerals have been used except that for the "adjoining" sheet suffixes "a" have been added to each reference numeral.
  • the sheet 1 a is already mounted on suitably spaced-apart purlins (not shown) and secured thereto through the valley floor 9 a .
  • the fixings used can be conventional and may be arranged to accommodate longitudinal expansion of the sheet 1 a .
  • the sheet 1 is then held with its web 8 approximately vertically and its hook formation 3 engaged around the bead 18 a .
  • the sheet 1 is then pivoted to the position shown in cross-­hatched lines in Fig. 3 and secured to the purlins.
  • the sloping part 10 engages with the lip 23 a and the wall 11, the flat 12, the part 13 and the curved part 15 respectively embrace the upper part of the side wall 21 a , the platform 19 a , the part 17 a and the curved part 15 a .
  • Sealing material (not shown) may be disposed in the recess 20 a .
  • the dimensions of the formations 3 and 6 are such that the upper part of the formation 2 is a "latching fit" over the upper part of the formation 6.
  • wind flow across the outer surfaces 4 and 4 a can cause high suction forces to be applied to the webs of the sheets and lift these webs so that their formations 3 and 6 distort and move laterally to disengage the formations 3 and 6.
  • the close, "latching fit” engagement between the upper parts of the formations ensures that the wall 11 constitutes latching means for the hook by its close fit against the upper part of the side wall 21 a .
  • the edge of the sheet 1 can rotate about the bead 18 a through successive positions indicated at A, B, C and D before reaching the postion E shown as a solid line.
  • the wall 11 rides up the side wall 21 a and retains its latching action.
  • the corner between the sloping part 10 and the wall 11 rides over the corner between the side wall 21 a and the platform 19 a .
  • the chain line 25 represents the angle between the edge of the web 8 and the line of the web 8 a .
  • the angle defined is G.
  • the chain line 24 represents the angle between the edge of the web 8 and the line of the web 8 a .
  • the angle defined is F.
  • the precise angle F reached for position E is determined by the detailed dimensions of the upper parts of the formations 3 and 6, the width of the web 8 and the thickness of the sheet. We have found the following criteria achieve good results:-
  • Height of the formations 3 and 6 a minimum of 10% (preferably 12.5%) of the total sheet width. This is to achieve a basic stiffness to the whole profile so as to allow it to support the imposed loads.
  • Length of the vertical wall 11 between 20% to 30% (preferably 24%) of the height of the rib formation 3 and 6.
  • Sheet thickness lies in the range of 0.15% to 0.25% of total formation width.
  • the angle G is in the range 25° to 30° (preferably 28°).
  • the angle F is in the range 10° to 35° greater than angle G (preferably 30°).
  • the basic strength of sheets 500 mm wide can be increased sufficiently to enable the sheets to span purlins with spacings in excess of 2.0 m and still readily support snow and wind loads both in pressure and suction and carry the weight of an operative between the purlins.
  • the latching feature of the present invention the disadvantages of increasing the height of the seams can be obviated and increased protection given against suction induced by wind force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Tents Or Canopies (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Connection Of Plates (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Glass Compositions (AREA)
EP89304807A 1988-05-13 1989-05-11 Metallisches Verkleidungselement Expired - Lifetime EP0342044B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89304807T ATE73192T1 (de) 1988-05-13 1989-05-11 Metallisches verkleidungselement.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8811397 1988-05-13
GB888811397A GB8811397D0 (en) 1988-05-13 1988-05-13 Metal sheeting

Publications (3)

Publication Number Publication Date
EP0342044A1 true EP0342044A1 (de) 1989-11-15
EP0342044B1 EP0342044B1 (de) 1992-03-04
EP0342044B2 EP0342044B2 (de) 1995-01-25

Family

ID=10636874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89304807A Expired - Lifetime EP0342044B2 (de) 1988-05-13 1989-05-11 Metallisches Verkleidungselement

Country Status (7)

Country Link
EP (1) EP0342044B2 (de)
AT (1) ATE73192T1 (de)
AU (1) AU616515B2 (de)
CA (1) CA1317433C (de)
DE (1) DE68900905D1 (de)
GB (1) GB8811397D0 (de)
PT (1) PT90550B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430619A1 (de) * 1989-11-25 1991-06-05 Brohome Limited Verbesserungen in bezug auf Dachbelagplatten
WO1992001129A1 (en) * 1990-07-06 1992-01-23 Euroclad (South Wales) Limited Building covering
FR2789104A1 (fr) * 1998-11-19 2000-08-04 Jean Velut Procede d'assemblage et de formage de panneaux de tole
GB2578659A (en) * 2018-10-01 2020-05-20 Maple Sunscreening Ltd Pivotable building-facade panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817238A (en) * 1956-06-21 1959-07-29 Eric Sigfrid Persson Improvements in and relating to the securing of surface sheets of roofs and the like
GB899446A (en) * 1960-09-13 1962-06-20 Metal Holding Company An apparatus for joining the edges of metal sheets or strips
US3394524A (en) * 1964-11-05 1968-07-30 Edward A.P. Howarth Joints for sheet metal
US3511011A (en) * 1968-12-03 1970-05-12 Reynolds Metals Co Metal panel and building construction using same
DE2136584A1 (de) * 1971-07-22 1973-02-08 Hunter Douglas Paneel fuer wand- oder deckenverkleidung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK465883D0 (da) * 1983-04-18 1983-10-11 Wilfried Josef Schenach Tagbelaegning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817238A (en) * 1956-06-21 1959-07-29 Eric Sigfrid Persson Improvements in and relating to the securing of surface sheets of roofs and the like
GB899446A (en) * 1960-09-13 1962-06-20 Metal Holding Company An apparatus for joining the edges of metal sheets or strips
US3394524A (en) * 1964-11-05 1968-07-30 Edward A.P. Howarth Joints for sheet metal
US3511011A (en) * 1968-12-03 1970-05-12 Reynolds Metals Co Metal panel and building construction using same
DE2136584A1 (de) * 1971-07-22 1973-02-08 Hunter Douglas Paneel fuer wand- oder deckenverkleidung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430619A1 (de) * 1989-11-25 1991-06-05 Brohome Limited Verbesserungen in bezug auf Dachbelagplatten
GB2238559B (en) * 1989-11-25 1994-07-27 Brohome Ltd Improvements relating to roofing panels
WO1992001129A1 (en) * 1990-07-06 1992-01-23 Euroclad (South Wales) Limited Building covering
FR2789104A1 (fr) * 1998-11-19 2000-08-04 Jean Velut Procede d'assemblage et de formage de panneaux de tole
GB2578659A (en) * 2018-10-01 2020-05-20 Maple Sunscreening Ltd Pivotable building-facade panel
GB2578659B (en) * 2018-10-01 2021-04-14 Maple Sunscreening Ltd Pivotable building-facade panel

Also Published As

Publication number Publication date
AU3474389A (en) 1989-11-16
DE68900905D1 (de) 1992-04-09
GB8811397D0 (en) 1988-06-15
EP0342044B1 (de) 1992-03-04
EP0342044B2 (de) 1995-01-25
PT90550A (pt) 1989-11-30
ATE73192T1 (de) 1992-03-15
PT90550B (pt) 1997-06-30
CA1317433C (en) 1993-05-11
AU616515B2 (en) 1991-10-31

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