GB2231597A - Metal cladding panel - Google Patents
Metal cladding panel Download PDFInfo
- Publication number
- GB2231597A GB2231597A GB8902520A GB8902520A GB2231597A GB 2231597 A GB2231597 A GB 2231597A GB 8902520 A GB8902520 A GB 8902520A GB 8902520 A GB8902520 A GB 8902520A GB 2231597 A GB2231597 A GB 2231597A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- deformations
- panel
- embossment
- strengthening
- 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- Withdrawn
Links
- 239000002184 metal Substances 0.000 title claims description 17
- 229910052751 metal Inorganic materials 0.000 title claims description 17
- 238000005253 cladding Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 21
- 238000004049 embossing Methods 0.000 claims description 14
- 238000005728 strengthening Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000009435 building construction Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
-
- 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
- E04C2/32—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
-
- 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
- E04C2/32—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/322—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
-
- 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
- E04C2/32—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/326—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Panels For Use In Building Construction (AREA)
Description
"PANELLING FOR BUILDINGS"
DESCRIPTION:
The present invention relates to panels for building and especially to panel for use in the cladding of walls and roofs in buildings.
It is an object of the present invention to provide building panelling having improved strength characteristics.- According to one aspect of the present invention a me-thod of forming a panel for use in the cladding of walls and roofs in buildings rises the steps of providing a sheet of commercial quality steel or aluminium, embossing the sheet with a selected embossment pattern such that the sheet has strength properties between five and fifty per cent greater than those of the unembossed sheet, and applying further strengthening by profiling the embossed sheet and/or by incorporating one or more additional strengthening mrs.
According to another aspect of the present invention a cladding panel for use in building construction comprises a metal sheet formation strengthened by profiling and/or by the provision of one or more additional strengthening members, the sheet formation carrying structural embossment defining an array of deformations which have the faculty of strengthening rhe sheet.
Preferably the metal sheet is of substantially uniform thickness.
The present invention is also a panel made by the aforesaid inventive method.
The precise embossment pattern created by the structural embossing can take a variety of forms. For example, the embossing could create an array of separate individual deformations on the sheet or alternatively a series of elongate continuous deformations or corrugations could be provided extending parallel to a deformation axis. Preferably the array or said deformation axis is set at an angle to the longitudinal axis of the panel. In particular, the deformation axis of the corrugations can be set parallel to the components longitudinal axis but alternatively it may be set transversely. The individual deformations of the array pattern can have a variety of Shapes in plan view. Thus these deformations could be of rectangular, circular, square or oblong shape in plan with other shapes possible. Further, deformations of different planar shape- could be present in a particular array.
Thus the structural embossment of the sheet improves the structural strength property of the metal sheet and hence of the complete panel enabling a thinner sheet to be used with a consequent saving in material and hence in cost, or alternatively, for a given wall thickness, increased structural strength is imparted to the panel.
Embodiments of the present invention will now be described by way of example with reference to the accompanying drawings wherein:
Fig. 1 shows an end view of sheet material usable in the present invention; Fig. 2 shows the sheet material of Fig. 1 formed into a profiled sheet in accordance with one inventive embodiment; Fig. 3 shows the sheet material of Fig. 1 used in a composite panel according to another embodiment of the present invention; Fig. 4 shows an end view of a composite panel according to yet a further embodiment of the present invention; Fig. 5 illustrates one embossment pattern suitable for application to the sheet material; Fig. 6 shows a sectional view of a deformation of Fig. 5 through section X-X in Fig. 5.
Fig. 7 shows an embossment pattern similar to Fig. 5 but including a modification; and Fig. 8 shows yet a further possible embossment pattern.
Figs. 2 to 4 show different forms of sheet panel constructions IA-1C which are especially usable as wall cladding for buildings or as roof sheeting. The basic material for these constructions 1A-IC is metal sheeting 1 as shown in Fig. 1. The sheeting 1 initially plain is firstly embossed with a suitable embossment pattern E (particular forms of these patterns are discussed later) so as to strengthen the sheet material. In particular the- embossing is such as to improve strength characteristics of the sheeting by 5% to 50%, and possibly 5% to 4u%, in comparison with the plain sheeting: it has been found that the range, particularly the latter, can be achieved without the need for the size (depth) of the individual deformations of the embossment E to be excessive and since the embossed sheeting 1 is further strengthened in manners to be described the strength provision of the particular embossment E will be found to be perfectly satisfactory.
The panel JA of Fig. 2 is ffirmed by profiling the embossed sheeting 1 of Fig. 1 using for example suitable profiling rollers, this profiling 1 further strengthening the sheeting 1 and as will be appreciated the precise form of the profile can take a variety of shapes.
Fig. 3 shows a different strengthening arrangement: in this case the embossed sheeting 1 of Fig. 1 serves as an outer layer of a miposite panel 1B which further includes a lower metal sheet layer 2 kewiowsed pec- Fig. 1) with a core of insulating material 3 between the layers 1, 2.
Fig. 4 also shows a cowposite panel including an insulating core layer 3, and in this entodiment at least one of the outer metal sheet layers 4,5 is profiled, for example in the manner of Fig. 2. Again, structural embossment E is applied to at least one of the metal sheets 4, 5 so that the sheet in the non-profiled condition has equivalent structural strength to the embossed sheet 1 of Fig. 1. In the cowposite panel of Fig. 3, just as in Fig. 4, only one of the metal sheets 1, 2 could be enbossed.
A further possibility is to secure a strengthening sheet (enMssed or nonembossed) directly to the profiled sheet 1A in Fig. 2, as shawn by the dashed line 6 in Fig. 2. Where the sheet 6 is embossed the profiled sheet 1A could be non-embossed.
The various panels of Figs. 2 to 4 can serve as cladding for building walls or as roof sheeting, and the manner of fitting can be by wall established techniques which need not be explained in detail here. The panels could also be used as partitioning in building work.
In each of the above enbodiments, the sheet material of the panel comprises conmrcial or profiling quality steel or aluminium. Cemmercial or profiling quality steel would be satisfied by designations 91 and 92 of British Standards 2989 (1982) i.e. defined as low grade c=excial or profiling quality steel. The steel will be suitably coated and/or galvanised.
The embossing E has the function of strengthening the sheet material and also strain hardening the material. The embossing may be applied substantially over the full area of the sheet, but it would be possible for the embossing to be applied at only selected areas. Also, as an alternative, the embossing could be such that different areas of the panel have different embossment patterns.
The actual embossment pattern can be chosen from a wide variety of different form, and Figs. 5, 7 and 8 merely show examples. Thus in Fig. 5, the embossment applies an array of separate individual deformations 11, 12. As can be seen in Fig. 5 the deformations 11 are of oblong form in plan view while the deformations 12 are of smaller circular shape, the pattern arrangement being defined by an orthogonal series of lines K- K, L-L with each circular deformation 12 s = ounded by four oblong deformations 11. The spacing of the lines K-K, L-L specify the pitch of the deformation array, and pitch of 5 rrm may be used for example. The. structural embossing is achieved by a cold deformation using for example suitable embossment tool e.g. rollers, and it is a feature of the embossment that the orthogonal lines K-K, L-L are oblique to the rolling direction R.
Where the embossing of Fig. 5 is applied to the sheet material of the panel, the longitudinal axis of the sheet (extending vertically out of the plane of the paper in Figs. 1-4) will correspond with the rolling axis R so that the deformation array 11, 12 will be oblique to this longitudinal axis i.e. the orthogonal lines K-K, L-L will be oblique to this axis. It is also arranged that the thickness t (Fig. 6) of the sheet material remains substantially uniform over the area of the material even after the embossing process. It will be understood that deformations of other planar shape could be presented in the array of Fig. 5 for example deformations of rectangular or square form could be used. Further, different patterns are possible such as for example a uniform array of similar deformations, and an irregular (non-uniform) deformation array is also possible. Fig. 7 shows an embossment pattern similar to that of Fig. 5 but in this case two circular deformations 12 are surrounded by four oblong deformations 11.
Fig. 8 shows embossing E of corrugated form with nodes 13, 14 and the ratio of pitch P to valley depth H can be suitably chosen the corrugations shown in Fig. 8 being of micro profile form. Where the panel sheet is provided with the corrugated embossment of Fig. 8, the axis of deformation (i.e. out of the plane of the paper in Fig. 8) of the profile can be arranged appropriately relative to the longitudinal axis of the panel. For exanple, the profile deformation axis may be arranged longitudinally to the panels longitudinal axis.
In all cases it is preferred that the embossment has the effect of increasing a structural strength property e.g. bending resistance of the sheet material by a value in the range 5 per cent to 50 per cent, posEfibly 5% to 40% in comparison with the non embossed sheet material. Where a plastics and/or galvanised coating is to be applied to the material the embossment may be carried out before or after the coating is applied.
The thickness of sheet may be within the range 25 mm to 5 nTn for example and the panel can have any suitable dimensions.
The application of the embossment to the panel sheet in accordance with the present invention provides two distinct advantages concerning structural and aesthetic enhancement. Thus, the enibossment increases the strength of the panel and this will enable thinner sheet material to be used thereby lightening the panel and consequently giving rise to a possible saving in cost since less metal is required. Also varying quality of metal material may be utilised as the strain hardening and cold deformation of the material due the embossme-nt process mitigates against adverse effects created by the use of varying quality material. Further, the embossing deformations will increase the corrosion resistance of the sheet material.
The deformations 11, 12 can be arranged to project so as to be visible externally and this improves the aesthetic qualities of the component. In the case of the corrugated embossment of Fig. 8, the weather face of the profile, for example the surface with nodes 13, can be suitably coated with synthetic material. The stronger structurally embossed roof and wall panel sheets as described above will enable the use of a lighter. and cheaper structural steel work supporting frame for these components.
G te
Claims (21)
1. A method for forming a panel for use in the cladding of walls and roofs in buildings comprising the steps of providing a sheet of commercial quality steel or aluminium, embossing the sheet with a selected embossed pattern such that the sheet has strength properties between five and fifty.per cent greater than those of the equivalent unembossed sheet, and applying further strengthening by profiling the embossed sheet andlor by incorporating one or more additional strengthening members.
2. The method according to claim 1, wherein a profiled sheet is provided and an additional. strengthening sheet is applied to the profiled sheet.
3. The method according to claim 1, wherein spaced metal sheets are provided, and insulating material is located in the space between the sheets, at least one of the spaced metal sheets being structurally embossed.
4. A cladding panel for use in building construction comprising a metal sheet formation strengthened by profiling andlor by the provision of one or more additional strengthening members, the sheet formation carrying structural embossment defining an array of deformations which have the faculty of strengthening the sheet.
5. A panel as claimed in claim 4, wherein the metal sheet is of substantially uniform thickness.
6. A panel as claimed in claims 4 or 5, including a strengthening metal sheet attached to a profiled sheet.
7. A panel as claimed in claims 4 or 5, comprising spaced metal sheets, the space between the sheets being filled with insulating material.
8. A panel as claimed in any one of claims 4 to 7, wherein the sheet material comprises commercial quality steel or aluminium.
17- 1
9. The invention as claimed in any one of the preceding claims, wherein the embossment provides an array of separate individual deformations on the sheet.
10. The invention as claimed in any one of claims 1 to 8, wherein the embossment comprises a series of elongate continuous deformations or corrugations.
11. The invention as claimed in claim 9, wherein the array of separate deformations is arranged as a pattern having orthogonal axes and one of said axes is set at an angle to the longitudinal axis of the panel.
12. The invention as claimed in claim 10, wherein the continuous deformations or corrugations extend parallel to the longitudinal axis of the panel.
13. The invention as claimed in claim 10, wherein the continuous deformations or corrugations extend at an angle to the longitudinal axis of the panel.
14. The invention as claimed in claim 13, wherein the deformations or corrugations are set transversely to the longitudinal axis of the panel.
15. The invention as claimed in claim 9, wherein the deformations are of rectangular, circular, square or oblong shape in plan view.
16. The invention as claimed in claims 9 or 15, wherein the array includes deformations of different planar shape.
17. The invention as claimed in claims 9, 15 or 16 wherein at least some of the deformations are flat topped.
18. The invention as claimed in claim 9 or any one of the claims 15 to 17, wherein at least one deform4tion of the shape is surrounded by deformations or another shape.
19. The invention as claimed in any one of the preceding claims wherein the sheet metal material has a thickness on the range 0.25 mm to 5 mm.
20. The invention as claimed on any one of the preceding claims, wherein a coating is applied to the metal sheet.
9 4
21. The invention as claimed in any one of the preceding claims, wherein the deformations of the embossment essentially project solely in an external direction.
Published 1990 at ThePazen.. Office. State House.66 71 High Holborr,. LondonWC1R4TP.Purther copies maybe obtainedfrom The Patent Office. Sales Branch. St Mary Cray, Orpington. Kent BR5 3RD. Printed by Multiplex techniques ltd, St Mary Cray, Kent, Con. 1187
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8902520A GB2231597A (en) | 1989-02-04 | 1989-02-04 | Metal cladding panel |
| EP90301196A EP0382459A1 (en) | 1989-02-04 | 1990-02-05 | Panelling for buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8902520A GB2231597A (en) | 1989-02-04 | 1989-02-04 | Metal cladding panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8902520D0 GB8902520D0 (en) | 1989-03-22 |
| GB2231597A true GB2231597A (en) | 1990-11-21 |
Family
ID=10651148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8902520A Withdrawn GB2231597A (en) | 1989-02-04 | 1989-02-04 | Metal cladding panel |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0382459A1 (en) |
| GB (1) | GB2231597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0684348B1 (en) * | 1994-05-24 | 1996-12-04 | Isobouw Systems B.V. | Panel |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991015363A1 (en) * | 1990-04-05 | 1991-10-17 | Nippon Carbide Kogyo Kabushiki Kaisha | Wall-forming structural material and resin-coated metal |
| CH688136A5 (en) * | 1992-09-16 | 1997-05-30 | Alusuisse Lonza Services Ag | Panel of composite material with outer metal layers and organic and or inorganic core |
| FR2747948B1 (en) * | 1996-04-29 | 1998-07-03 | Pechiney Rhenalu | REPETITIVE EMBOSSED METAL SHEET |
| GR980100008A (en) * | 1998-01-09 | 1999-09-30 | Multi-dimensional internal molecular support of the material | |
| AT408174B (en) * | 1998-05-08 | 2001-09-25 | Franz Ing Stuhlbacher | ROOM AIR CONDITIONING WITH ADDITIONAL SHIELDING OF HIGH-FREQUENCY ELECTROMAGNETIC WAVES |
| US6506298B2 (en) | 2000-04-10 | 2003-01-14 | Berger Group Ltd. | Biofiltering system for treating wastewater effluent |
| AU2006201504B2 (en) * | 2005-05-30 | 2012-07-26 | Bluescope Steel Limited | Cladding panel with improved stacking capability |
| DE502007003520D1 (en) * | 2007-07-26 | 2010-06-02 | Reinz Dichtungs Gmbh | Process for producing a heat shield |
| FR3099226B1 (en) * | 2019-07-23 | 2023-03-24 | Gaztransport Et Technigaz | Waterproofing membrane for sealed fluid storage tank |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340535A (en) * | 1929-03-19 | 1931-01-01 | Ferdinand Rauwald | Sheet metal planks |
| GB385749A (en) * | 1932-01-12 | 1933-01-05 | David Charles Poyner | Improvements in and relating to roof supporting devices for coal and other mines |
| GB919839A (en) * | 1958-11-22 | 1963-02-27 | Bronzavia Sa | A fire-resistant sheet material |
| GB1063783A (en) * | 1963-03-19 | 1967-03-30 | Voest Ag | Corrugated sheets of steel and composite constructions manufactured therefrom |
| GB2051909A (en) * | 1979-06-20 | 1981-01-21 | Tate Architectural Products | Rigid flexure-resistant structural member and composite panel including same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340655A (en) * | 1928-11-13 | 1931-01-08 | Pierre Sourdis | Improvements in constructional elements comprising an embossed plate united to smooth or embossed plate |
| FR1323237A (en) * | 1961-06-20 | 1963-04-05 | Conch Int Methane Ltd | Embossed sheet |
| US3300923A (en) * | 1963-03-11 | 1967-01-31 | Behlen Mfg Company Inc | Corrugated metal building and building panels |
| FR1513521A (en) * | 1967-01-04 | 1968-02-16 | Bronzavia Sa | Structured panel, especially for aircraft construction |
| US4411121A (en) * | 1981-02-02 | 1983-10-25 | Tate Architectural Products, Inc. | Structural member with truncated conical portion and composite panel including same |
| DE3339373A1 (en) * | 1983-10-29 | 1985-05-09 | Thyssen Industrie Ag, 4300 Essen | SHEET PROFILE CARRIAGE WITH CROSS-FLATCHING |
| GB2200670B (en) * | 1986-12-03 | 1990-10-03 | Stramit Ind | Thermal insulating roof or wall panel |
-
1989
- 1989-02-04 GB GB8902520A patent/GB2231597A/en not_active Withdrawn
-
1990
- 1990-02-05 EP EP90301196A patent/EP0382459A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340535A (en) * | 1929-03-19 | 1931-01-01 | Ferdinand Rauwald | Sheet metal planks |
| GB385749A (en) * | 1932-01-12 | 1933-01-05 | David Charles Poyner | Improvements in and relating to roof supporting devices for coal and other mines |
| GB919839A (en) * | 1958-11-22 | 1963-02-27 | Bronzavia Sa | A fire-resistant sheet material |
| GB1063783A (en) * | 1963-03-19 | 1967-03-30 | Voest Ag | Corrugated sheets of steel and composite constructions manufactured therefrom |
| GB2051909A (en) * | 1979-06-20 | 1981-01-21 | Tate Architectural Products | Rigid flexure-resistant structural member and composite panel including same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0684348B1 (en) * | 1994-05-24 | 1996-12-04 | Isobouw Systems B.V. | Panel |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0382459A1 (en) | 1990-08-16 |
| GB8902520D0 (en) | 1989-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |