EP0851069A2 - A profiled sheet-metal roofing element for buildings - Google Patents
A profiled sheet-metal roofing element for buildings Download PDFInfo
- Publication number
- EP0851069A2 EP0851069A2 EP97121054A EP97121054A EP0851069A2 EP 0851069 A2 EP0851069 A2 EP 0851069A2 EP 97121054 A EP97121054 A EP 97121054A EP 97121054 A EP97121054 A EP 97121054A EP 0851069 A2 EP0851069 A2 EP 0851069A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rib
- sheet
- vertical
- metal
- metal element
- 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
Links
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
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
Definitions
- the present invention relates to a profiled sheet-metal roofing element for buildings.
- a profiled sheet-metal roofing element for buildings known from Italian utility model No. 209011 has:
- the first inverted U-shaped rib has, in cross-section, two inclined sides which diverge downwardly from its upper surface.
- This shape involves the risk that, in the event of substantial vertical loads being applied to the roofing (for example, due to a large depth of snow or to its being trodden on) this rib tends to open out until its vertical flange is disengaged from the retaining tooth of the adjacent sheet-metal element, thus prejudicing the stability of the roofing.
- the subject of the present invention is a profiled sheet-metal element of the type specified above, the main characteristic of which lies in that fact that the first, inverted U-shaped rib has, in cross-section, an upper, substantially arcuate portion and a lower portion comprising two flat sides inclined to the vertical so as to converge downwardly.
- the element 1 has, at one end, a transverse rib 3 having, in section, a substantially inverted U-shaped profile with an upper substantially arcuate portion.
- This upper portion has a convex top portion 4 and two side walls 5 also having convex profiles and connected to the top portion 4 by two short substantially vertical portions 6.
- Two flat side walls 7 extending downwardly from the lower ends of the convex side walls 5 are inclined to the vertical so as to converge downwardly.
- the inclination of the walls 7 to a vertical plane may be, for example, of the order of 15°.
- the rib 3 At the base of the inclined wall 7 which is situated on the outer side of the element 1, the rib 3 has a portion 8 which is bent horizontally towards the interior of the rib 3 and an end flange 9 which is bent vertically.
- the sheet-metal element 1 In the vicinity of its opposite end to the rib 3, the sheet-metal element 1 has an engagement rib 10 which is not as high as the rib 3.
- the engagement rib 10 comprises a shank constituted by two vertical portions 11 and an enlarged head 12 facing the interior of the element 1 to form a retaining tooth.
- the sheet-metal element 1 has an end portion 13 which extends beyond the engagement rib 9.
- the end portion 13 of the sheet-metal element 1 is fixed by means of screws 14 or equivalent fixing means, to the purlins 15 on which the roofing bears.
- the hollow rib 3 of an adjacent sheet-metal element is then engaged on the engagement rib 10 of the element 1 so as to engage its vertical flange 9 against the lower surface of the engagement tooth 12.
- the joint thus formed between two successive sheet-metal elements involves no risk of disengagement, even under the effect of large vertical loads applied to the roofing.
- the rib 3 tends to close up under the effect of such loads, so that the lower surface of the retaining tooth 12 of the rib 10 fixed to the battens supporting the roofing is clamped more tightly.
- the curved profile of the upper portion of the rib 3 ensures better distribution of vertical loads applied and the central portion 4 connected to the two curved side portions 5 by the short vertical portions 6 achieves a guiding effect in the profiling of the sheet-metal element, as well as constituting a stiffening.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
Description
- a first, inverted U-shaped transverse rib which extends on one of the end edges, the outer edge of the rib being bent inwardly to form a vertical flange,
- a second transverse rib which is situated adjacent the other end edge and is not as high as the first rib, the second rib comprising a vertical shank and a head in the form of an inwardly-facing retaining tooth, the portion of sheet metal disposed between the second rib and the edge of the sheet-metal element being intended to house means for fixing to the support structure of the roofing, the fixing means being covered, in conditions of use, by the first rib of the adjacent element which engages the second rib forming a fixed joint with its vertical flange disposed under the projection of the retaining tooth.
Claims (3)
- A profiled sheet-metal roofing element for buildings comprising:a first, inverted U-shaped transverse rib which extends on one of the end edges, the outer edge of the rib being bent inwardly to form a vertical flange,a second transverse rib which is situated adjacent the other end edge and is not as high as the first rib, the second rib comprising a vertical shank and a head in the form of an inwardly-facing retaining tooth, the portion of sheet metal disposed between the second rib and the edge of the sheet-metal element being intended to house means for fixing to the support structure of the roofing, the fixing means being covered, in conditions of use, by the first rib of the adjacent element which engages the second rib forming a fixed joint with its vertical flange disposed under the projection of the retaining tooth,
characterized in that the first, inverted U-shaped rib (3) has, in cross-section, an upper substantially arcuate portion (4, 5, 6) and a lower portion comprising two flat sides (7) inclined to the vertical so as to converge downwardly. - A sheet-metal element according to Claim 1, characterized in that the two flat sides (7) are inclined at an angle of the order of 15° to the vertical.
- A sheet-metal element according to Claim 1, characterized in that the upper portion of the first rib (3) comprises a convex top portion (4) and two convex side walls (5) connected to the top portion (4) by means of two short substantially vertical portions (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO960262U | 1996-12-23 | ||
IT96TO000262 IT239877Y1 (en) | 1996-12-23 | 1996-12-23 | CORRUGATED SHEET ELEMENT FOR THE COVERING OF BUILDINGS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0851069A2 true EP0851069A2 (en) | 1998-07-01 |
EP0851069A3 EP0851069A3 (en) | 1999-06-16 |
EP0851069B1 EP0851069B1 (en) | 2003-02-19 |
Family
ID=11414531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970121054 Expired - Lifetime EP0851069B1 (en) | 1996-12-23 | 1997-12-01 | A profiled sheet-metal roofing element for buildings |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0851069B1 (en) |
DE (1) | DE69719162T2 (en) |
ES (1) | ES2192247T3 (en) |
IT (1) | IT239877Y1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2123841A1 (en) * | 2008-05-20 | 2009-11-25 | ArcelorMittal Construction France | Profiled metal sheet |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004051749B4 (en) * | 2004-10-23 | 2010-08-05 | Ulrich Kreusel | Cover for an area of balconies, floors, roofs or facades |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1321562A (en) * | 1962-02-08 | 1963-03-22 | Assembly of plates by their ribbed side edges | |
DE8907783U1 (en) * | 1989-06-26 | 1989-11-02 | Pradel, Hartmund, 8226 Altenmarkt | Profile clamp connection for roof or facade panels |
US5519974A (en) * | 1994-08-19 | 1996-05-28 | Crown Partnership | Standing seam roofing panel |
-
1996
- 1996-12-23 IT IT96TO000262 patent/IT239877Y1/en active
-
1997
- 1997-12-01 EP EP19970121054 patent/EP0851069B1/en not_active Expired - Lifetime
- 1997-12-01 ES ES97121054T patent/ES2192247T3/en not_active Expired - Lifetime
- 1997-12-01 DE DE1997619162 patent/DE69719162T2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1321562A (en) * | 1962-02-08 | 1963-03-22 | Assembly of plates by their ribbed side edges | |
DE8907783U1 (en) * | 1989-06-26 | 1989-11-02 | Pradel, Hartmund, 8226 Altenmarkt | Profile clamp connection for roof or facade panels |
US5519974A (en) * | 1994-08-19 | 1996-05-28 | Crown Partnership | Standing seam roofing panel |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2123841A1 (en) * | 2008-05-20 | 2009-11-25 | ArcelorMittal Construction France | Profiled metal sheet |
FR2931497A1 (en) * | 2008-05-20 | 2009-11-27 | Arcelormittal Construction Fra | METALLIC PROFILE |
Also Published As
Publication number | Publication date |
---|---|
DE69719162T2 (en) | 2003-10-09 |
EP0851069A3 (en) | 1999-06-16 |
DE69719162D1 (en) | 2003-03-27 |
ITTO960262U1 (en) | 1998-06-23 |
ES2192247T3 (en) | 2003-10-01 |
IT239877Y1 (en) | 2001-03-13 |
EP0851069B1 (en) | 2003-02-19 |
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