GB2235709A - Metal cladding panels - Google Patents
Metal cladding panels Download PDFInfo
- Publication number
- GB2235709A GB2235709A GB8919330A GB8919330A GB2235709A GB 2235709 A GB2235709 A GB 2235709A GB 8919330 A GB8919330 A GB 8919330A GB 8919330 A GB8919330 A GB 8919330A GB 2235709 A GB2235709 A GB 2235709A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panel
- central
- side edges
- visible portion
- radius
- 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- Withdrawn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
- 238000005253 cladding Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 33
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 8
- 230000002459 sustained effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 21
- 239000011324 bead Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910018134 Al-Mg Inorganic materials 0.000 description 2
- 229910018467 Al—Mg Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009924 canning Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
- E04B9/36—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of parallel slats
- E04B9/363—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of parallel slats the principal plane of the slats being horizontal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Finishing Walls (AREA)
Abstract
A self sustained cladding panel 10 is made of a resilient metal or metal alloy sheet material. The panels have a central visible portion 12 and longitudinally extending side edges 14, 16. The central visible portion has, in its relaxed state, a shape which is significantly different from the intended final shape and the panel is subsequently formed so that its central visible portion is resiliently formed into the final shape, with a resilient deformation taking place within the elastic range of the sheet material. The panel is then retained in this final shape by interconnecting the longitudinally extending side edges 14, 16 either continuously or by spaced elements such as clips. <IMAGE>
Description
METAL CLADDING SYSTEMS
The present invention relates to a metal cladding system for a building and to methods of its manufacture.
The cladding systems may be used for example for covering the walls or ceilings of a building.
Ceilings using elongate panels are usually formed from 0.5 mm thick aluminium strip, for example from an aluminium Al-Mg alloy such as AA 5050 having good formability by roll forming.
The aluminium alloy Al-Mg/Si, such as AA 6011, used for venetian blind slats is of a stiffer grade and is much more resilient. This material is readily available in thicknesses of about 0.2 mm for use in the manufacture of venetian blind slats. During the act of its forming, its characteristics can be somewhat compared to those of cardboard. If this material were to be used for ceiling panels, then material costs would be drastically lowered, but the usual form of equipment and techniques involved cannot be used.
According to one aspect of the present invention there is provided a method of forming a self sustained cladding panel for use in a cladding panel system for a building from a resilient metal or metal alloy sheet material, said panels having a central visible portion and longitudinally extending side edges, said method comprising the steps of initially providing said panels so that the central visible portion has, in its relaxed state, a shape which is significantly different from the intended final shape, subsequently forming said panel so that its central visible portion is resiliently deformed into said final shape, with the resilient deformation taking place within the elastic range of the sheet material and retaining said panel in its final shape by interconnecting said longitudinally extending side edges.
Such a method is adapted to make use of this low cost venetian blind slat material alloy in a thin form and overcomes the normal problems of thinner gauge material which has a tendency to form what are known as tension distortions in large area surfaces referred also to as "oil-canning". The method of the present invention also overcomes the problem that the alloy used for venetian blind slats has an inherently greater spring-back requiring a different roll-forming technique, using smaller bend radii and a greater amount of overbending to cope with the greater spring-back and yield strength.
Rather surprisingly, it has been found that a slight curvature of the central visible area within the elastic range of the material deformation is sufficient to suppress the so-called "oil-canning" effect.
The final shape of each panel may be obtained by bending the central visible portion of that panel inwardly or outwardly relative to the panel. Furthermore, the central visible portion of each panel can, if desired, be flat or curved in the relaxed state and prior to interconnecting the longitudinal side edges thereof. If it is curved, the final shape may be obtained by increasing or reducing the radius of curvature of the central portion.
In a somewhat modified arrangement, the curved effect of the central portion of panel, in its relaxed state, may be formed by a plurality of laterally adjacent longitudinally extending facets, each facet being connected to its neighbor by a curved connecting portion permanently formed in said material with a radius of curvature of less than 2 mm.
Advantageous results have been found to be achieved if the central visible portion is resiliently formed into a bow with a radius of curvature greater than 20 mm.
In one particular construction, the longitudinal side edges of each panel may each be permanently formed with a rim portion comprising at least one permanently deformed edge portion connected to the central portion by a connecting portion with a radius of curvature of less than 2 mm.
Many different ways may be used for interconnecting the longitudinal edges. For example, they may be connected using an adhesive or by at least one clip means.
It is also contemplated that substantially flat intermediate portions are formed, one on each side of said central portion, said intermediate portions extending between said central portion and a longitudinal rim, the intermediate portions being joined to the central visible portion by a permanently deformed transfer portion having a radius of curvature of less than 2 mm.
According to another aspect of the present invention there is provided a self-sustained cladding panel for use in a cladding system for a building, said panel being formed of a resilient metal or metal alloy sheet material and having a generally central visible portion, which in its final shape is formed and maintained under tension within the elastic range of deformation of said material and longitudinally extending side edges, and means interconnecting said longitudinally extending side edges, effective to retain said panel in said final shape with at least the central portion in an elastically deformed state.
The resilient metal or metal alloy may have a high yield strength and a thickness of less than 0.3 mm, for example as little as 0.2 mm as is used in the venetian blind slat material.
The longitudinal side edges of the panel may be interconnected directly in abutting or closely adjacent relationship to form a virtually closed sectional shape or may be interconnected indirectly and maintained at a distance from one another. In the latter case, the longitudinal side edge may be interconnected at least over a part of their longitudinal extent by at least one additional strip like element or at spaced intervals along the length by a plurality of retaining clips.The invention also contemplates a cladding panel for a building comprising a stiff grade, high yield strength, resilient, aluminium alloy sheet material of less than 0.3 mm thickness, said panel having a general central visible portion which is bowed, in use, with a radius of curvature greater than 20 mm and longitudinally extending side edges each formed with a bead having a radius curvature of less than 2 mm.
According to still further aspects of the present invention, there is provided a cladding system for a building comprising a plurality of panels according to the invention and supporting means mountable to hold the panels by engaging the longitudinal edges of the panels. The supporting means may engage each of the panels internally along the longitudinal edges. It is also contemplated that the supporting means comprise spaced support members, and wherein the means interconnecting said longitudinal edges of each panel comprise clips slidably longitudinally of the panels and wherein at least one of said retaining clips is co-operatively positioned adjacent the support members, to lock the panels in position with respect to said support means.
In order that the present invention may more readily be understood, the following description is given, merely by way of example, reference being made to the accompanying drawings, in which:
Figures 1 and 2 are each schematic cross-sections through two different embodiments of placing in position aluminium ceiling panels;
Figure 3 shows the assembling by interconnection of the longitudinal edges of a further embodiment of panel;
Figure 4 shows the assembling of the ceiling panels of figure 1 or 2;
Figures 5 and 6 are a side elevation and a plan of one embodiment of securing clips used with the panel of figure 4;
Figure 7 is an enlarged section taken along the line VIl-VIl of figure 8 of a portion of the clip of figures 5 and 6;
Figure 8 is an enlarged partial end view of the clip shown in figure 7;;
Figure 9 illustrates the assembling into the final shape of a further embodiment of ceiling panel according to the invention;
Figures 10-15 show six further constructions, with that of figure 14 being the result of the assembly indicated in figure 9;
Figure 16 is a schematic view of a further embodiment of a ceiling panel according to the invention in its installed position; and
Figure 17 schematically illustrates forming rolls for forming the facets of the panel embodiment of figure 16 as well as illustrating the sheet material before and after formation.
Referring first to figure 1, there is illustrated a panel indicated by the general reference numeral 10 this having a generally central visible portion 12 and longitudinal edge portions 14, 16, connected to the central visible portion 12 by intermediate portions 18, 20. The edge portions 14, 16 are shown provided as beads engaging in lugs 22, 24 forming part of a clip 28 attached to a carrier 26. Spaced apart central portions of clips 28 are engaged between the intermediate portions 18, 20 after mounting on the lugs 22, 24. If reference is made to figure 4, it will be seen that the same panel 10 is shown in full lines in its relaxed position. In this instance the central visible portion 12 is substantially flat and the beads 14, 16 are shown flexed outwardly.
The material of the panel is a resilient metal or metal alloy sheet material and, as seen in particular in figure 4, when the panel is assembled into its final shape, the central visible portion has a final shape which is significantly different from the original shape, this final shape being shown in chain-dotted lines. In its assembled, self-sustained, final state, the central visible portion is resiliently deformed, with the resilient deformation taking place within the elastic range of the sheet material. The lugs 22, 24 retain the panel in its final shape in effect by interconnecting the longitudinally side edges 14, 16.
The central portion of clip 28 is used to rigidify the assembly.
The final structure in figure 2 looks similar to that of figure 1 and like parts are indicated by the like reference numerals. Instead of having clips 28 attached to the carrier 26, however, a number of prongs 30 are integrally provided which engage within the intermediate portions 18, 20. In this structure, however, the central visible portion may alternatively, in its relaxed state, be more bowed, that is have a smaller radius of curvature than in the final assembled and mounted state shown in figure 2.
The resilience of the material is then used, at least in part, to retain the intermediate portions 18, 20 against the prong 30. Further retaining clips similar to clip 28 (not shown) may be provided to hold the edge portion 14, 16 in this final position such further retaining clips can also be cooperatively positioned adjacent the prongs 30 to lock the edges of the panels in position against outward deflection with respect to said prongs. In each of the embodiments, however, it will be noted that the central visible portion is bowed. This bowing is advantageously such that the radius of curvature of the central visible portion 12 is greater than 20 mm and, in order further to rigidify the structure, the radius of curvature used in shaping the edge portions is preferably less than 2 mm.
The intermediate portions 18,20 in this embodiment of panel each comprise in fact two substantially flat portions angled with respect to one another and joined to one another and to the central portion 12 and the edge portions 14,16 through connecting edges having a radius of curvature less than 2 mm.
If reference is now made to figure 3, it will be seen that the final panel product looks generally similar to those previously described. In this construction the relaxed state of the panel is indicated in chain-dotted lines and the central visible portion is again substantially flat. The intermediate portions 18, 20 are flexed inwardly as indicated by the arrows 19, 21 so that the panel takes up the final shape illustrated in the solid lines, with the central visible portion 12 then curved as before. It will be seen here, however, that the edge portions 14, 16 are secured, for example, by adhesive, to an interconnecting structure 32 which serves to interconnect the edge portion 14, 16 thereby to retain the central visible portion 12 in its bowed configuration as in the previous constructions.
One form of clip suitable for use as schematically indicated in the structure of figures 1 and 4, is shown in figures 5-8. Reference is first made to figure 5; it will be seen that the clip includes a central body portion 34 and two spaced side flanges 36, only one of which can be seen in figure 5 but both of which can be seen in figure 6.
The flanges 36 have outwardly flared end portions 38 to engage inside the intermediate portions 18, 20 of the panel 10. On each end of the clip body 34 are a central arm 38 and two side arms 40, each central arm 38 being provided with a downwardly projecting end portion 42. Figures 7 and 8 illustrate more clearly how this downwardly projection portion 42 of the central arm 38 has a punched out offset portion 44 forming a retaining tab 46. This retaining tab serves to engage the edge portions 14, 16 to hold the panel in its final shape.
Figure 9 illustrates a further form of panel according to the invention which, when assembled into its final shape, produces a rather more curved central visible portion 12. In this figure the central visible portion is shown in full line at 13 in its relaxed state and the arrows 19,21 show, via an intermediate stage shown in chain-dotted lines, how the panel is moved to its final deformed state within the elastic range of the material of the panel. It will be noted that the remainder of this structure is generally similar to Figure 3 except for the shape of the intermediate portions and accordingly the same reference numerals have been used to denote similar parts.
Instead of using an. adhesively attached interconnecting structure as indicated at 32, it is also perfectly possible to use interconnecting clips not dissimilar to those illustrated in Figure 5 to 8. Such being further illustrated in Figure 15.
Figures 10-15 illustrate further configurations which can be achieved in the same way and detailed discussion of these is not thought necessary. It will be seen that the structure shown in figure 14 is that achieved using the mounting formation steps illustrated schematically in figure 9.
Figure 16 illustrates a further construction in which the central visible portion 12 is formed from a plurality of spaced flat or slightly concave facets 50 to produce a generally downwardly bowed configuration for the visible portion 12. Figure 17 schematically illustrates two rolls 52 and 54 as having concave and convex axially spaced portions 56 58 respectively. The radius of curvature of these portions R is greater than the radius by which 0.2% yield of the material is produced and a radius of curvature r of the peaks 60 between the portions 56 of roll 52 is less than this 0.2% yield radius thereby providing the necessary permanent deformation. The flat sheet 64 is shown above the roll 52, 54 in figure 17, that is the sheet before it is fed between the rolls.The resulting product, after being fed between the rolls 52,54 automatically adopts the bowed shape which is illustrated as 66 at the bottom of figure 17.
The panel obtained in this manner can be installed in a ceiling as shown in Figure 16 by significant further curvature of the visible portion from its already slightly curved relaxed shape by mounting the inwardly flexed longitudinal side edges 14,16 resiliently between spaced adjacent ceiling panesl.
By carrying out the deformation of the panels to the final shape so that the central visible portion has a shape which is significantly different from the relaxed original shape, adequate ridigity can be provided to the panels even if the material is relatively thin, for example if the sheet material has a thickness of less than 0.3 mm and even as little as 0.2 mm, that is to say material such as used in the manufacture of venetian blind slats. Thus, one can achieve very satisfactory results with much less expenditure on the materials than has hitherto been possible.
Claims (36)
1. A method of forming a self sustained cladding panel for use in a cladding panel system for a building from a resilient metal or metal alloy sheet material, said panels having a central visible portion and longitudinally extending side edges, said method comprising the steps of initially providing said panels so that the central visible portion has, in its relaxed state, a shape which is significantly different from the intended final shape, subsequently forming said panel so that its central visible portion is resiliently deformed into said final shape, with the resilient deformation taking place within the elastic range of the sheet material and retaining said panel in its final shape by interconnecting said longitudinally extending side edges.
2. A method according to claim 1, wherein the final shape of each panel is obtained by bending the central visible portion of that panel inwardly relative to the panel.
3. A method according to claim 1, wherein the final shape of each panel is obtained by bending the central visible portion of that panel outwardly relative to the panel.
4. A method according to claim 1, 2 or 3, wherein the central visible portion of each panel is flat in the relaxed state and prior to interconnecting the longitudinal side edges thereof.
5. A method according to claim 1, 2 or 3, wherein the central portion is curved in the relaxed state and prior to interconnecting the longitudinal side edges.
6. A method according to claim 5, wherein the final shape is obtained by increasing the radius of curvature of the central visible portion.
7. A method according to claim 5, wherein the final shape of each panel is obtained by reducing the radius of curvature of the central portion.
8. A method according to claim 5, 6 or 7, wherein the central portion of each panel, in its relaxed state, is formed by a plurality of laterally adjacent longitudinally extending facets, each facet being connected to its neighbor by a curved connecting portion permanently formed in said material with a radius of curvature of less than 2 mm.
9. A method according to any preceding claim, wherein said central visible portion is resiliently formed into a bow with a radius of curvature greater than 20 mm.
10. A method according to any preceding claim, wherein the longitudinal side edges of each panel are each permanently formed with a rim portion comprising at least one permanently deformed edge portion connected to the central portion by a connecting portion with a radius of curvature of less 2 mm.
11. A method according to any preceding claim, wherein the longitudinal edges are interconnected using adhesive.
12. A method according to any one of claims 1 to 10, wherein the longitudinal edges are interconnected by at least one clip means.
13. A method according to any one of claims 1 to 10, wherein substantially flat intermediate portions are formed, one on each side of said central portion, said intermediate portions extending between said central portion and a longitudinal rim, the intermediate portions being joined to the central visible portion by a permanently deformed transfer portion having a radius of curvature of less than 2 mm.
14. A self-sustained cladding panel for use in a cladding system for a building, said panel being formed of a resilient metal or metal alloy sheet material and having a generally central visible portion, which in its final shape is formed and maintained under tension within the elastic range of deformation of said material and longitudinally extending side edges, and means interconnecting said longitudinally extending side edges, effective to retain said panel in said final shape with at least the central portion in an elastically deformed state.
15. A panel according to claim 14, wherein the central visible portion, in the final shape of the panel, is substantially flat, having been obtained from an appropriate negative bow in the relaxed state of the panel.
16. A panel according to claim 14, wherein, in the final shape of the panel, the central visible portion has an at least part circular bow having a radius of curvature in the region of at least 20 mm.
17. A panel according to claim 14, wherein the central portion is flat in its relaxed state and prior to interconnecting the longitudinal side edges.
18. A panel according to claim 14, wherein the central portion is curved in its relaxed state and prior to interconnecting the longitudinal side edges.
19. A panel according to any one of claims 14 to 18, wherein the resilient metal or metal alloy has a high yield strength and a thickness of less than 0.3 mm.
20. A panel according to any one of claims 14 to 19, wherein the longitudinal side edges are each provided with a rim portion, the rim portions each comprising at least one deformed edge based at the remainder of the panel by a connecting portion with a radius of curvature of less than 2 mm.
21. A panel according to any one of claims 14 to 19, wherein the longitudinal side edges are interconnected directly in abutting or closely adjacent relationship to form a virtually closed sectional shape.
22. A panel according to any one of claims 14 to 20, wherein the longitudinal side edges are interconnected indirectly and maintained at a distance from one another.
23. A panel according to claim 22, wherein the longitudinal side edges are interconnected at least over a part of their longitudinal extent by at least one additional strip like element.
24. A panel according to claim 22, wherein the longitudinal side edges are interconnected at spaced intervals along their length by a plurality of retaining clips.
25. A panel according to claim 18, wherein the central portion, in its relaxed state, is formed by a plurality of laterally adjacent longitudinally extending facets, each facet being connected to its neighbor by a curved connecting portion permanently formed in said material with a radius of curvature of less than 2 mm.
26. A panel according to claim 25, wherein the adjacent facets are each slightly concave, in the relaxed state, with respect to the convex connecting portions.
27. A cladding panel for a building comprising a stiff grade, high yield strength, resilient, aluminium alloy sheet material of less than 0.3 mm thickness, said panel having a general central visible portion which is bowed, in use, with a radius of curvature greater than 20 mm and longitudinally extending side edges each formed with a bead having a radius curvature of less than 2 mm.
28. A panel according to claim 27, wherein the central visible portion is flat prior to mounting.
29. A panel according to claim 27, wherein the central visible portion is curved prior to mounting.
30. A panel according to claim 29, wherein the central visible portion is formed from a plurality of laterally adjacent facets.
31. A panel according to any one of claims 27 to 30, wherein intermediate portions are provided, one on each side of said bowed central visible portion and extending therefrom to the beads on the longitudinal side edges.
32. A panel according to claim 31, wherein said intermediate portions are substantially flat.
33. A panel according to claim 31 or 32, wherein said beads are connected to said intermediate portions by further portions angled with respect to said intermediate portions and extending, in use, substantially parallel to one another.
34. A cladding system for a building comprising a plurality of panels according to any one of claims 14 to 33 and supporting means mountable to hold said panels by engaging the longitudinal edges of said panels.
35. A cladding system according to claim 34, wherein the supporting means engage each of the panels internally of said longitudinal edges.
36. A cladding system according to claim 35, wherein said supporting means comprise spaced support members, and wherein the means interconnecting said longitudinal edges of each panel comprise clips slidably longitudinally of the panels and wherein at least one of said retaining clips is co-operatively positioned adjacent the support members, to lock the panels in position with respect to said support means.
Priority Applications (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8919330A GB2235709A (en) | 1989-08-25 | 1989-08-25 | Metal cladding panels |
| AU61143/90A AU638046B2 (en) | 1989-08-25 | 1990-08-20 | Metal cladding systems |
| US07570262 US5115611B1 (en) | 1989-08-25 | 1990-08-20 | Metal cladding systems |
| AT92113828T ATE135789T1 (en) | 1989-08-25 | 1990-08-22 | METAL CLADDING PANEL SYSTEMS |
| EP90309198A EP0414519B1 (en) | 1989-08-25 | 1990-08-22 | Metal cladding systems |
| AT90309198T ATE97976T1 (en) | 1989-08-25 | 1990-08-22 | METALLIC CLADDING PANEL SYSTEMS. |
| DE90309198T DE69004894T2 (en) | 1989-08-25 | 1990-08-22 | Metallic cladding panel systems. |
| DE69026114T DE69026114D1 (en) | 1989-08-25 | 1990-08-22 | Metallic cladding panel systems |
| EP92113828A EP0513873B1 (en) | 1989-08-25 | 1990-08-22 | Metal cladding systems |
| DK90309198.1T DK0414519T3 (en) | 1989-08-25 | 1990-08-22 | Cladding System |
| NZ235006A NZ235006A (en) | 1989-08-25 | 1990-08-22 | Thin walled cladding panelling having a tensioned central panel |
| ZA906718A ZA906718B (en) | 1989-08-25 | 1990-08-23 | Metal cladding systems |
| PL28661590A PL286615A1 (en) | 1989-08-25 | 1990-08-24 | Method of apparatus for manufacturing facing panels, facing panel as such and a set of such facing panels |
| JP2224157A JP2557138B2 (en) | 1989-08-25 | 1990-08-24 | Exterior panel and molding method thereof |
| KR1019900013090A KR910004266A (en) | 1989-08-25 | 1990-08-24 | Metal coating system |
| BR909004197A BR9004197A (en) | 1989-08-25 | 1990-08-24 | PROCESS OF CONFORMING A COVERAGE PANEL, PROCESS OF CONFORMING A PROFILED PANEL, APPLIANCE FOR CONFORMATION BY FACET LAMINATION, SELF-SUSTAINED COVERING PANEL AND COVERING SYSTEM FOR A BUILDING |
| PT95108A PT95108A (en) | 1989-08-25 | 1990-08-24 | PROCESS OF CONFORMATION OF A COVER PANEL, APPARATUS FOR PROCESSING, COVER PANEL, APPARATUS FOR PROCESSING, COVERING PANEL AND ARRANGING OF COVER PANELS |
| CA002023982A CA2023982A1 (en) | 1989-08-25 | 1990-08-24 | Metal cladding systems |
| MX022096A MX170380B (en) | 1989-08-25 | 1990-08-24 | METHOD AND APPARATUS FOR FORMING A SELF-SUPPORTING COATING PANEL AND COATING PANEL FORMED BY THAT |
| US07/825,607 US5265333A (en) | 1989-08-25 | 1992-01-24 | Method of forming a self sustained cladding panel |
| AU22135/92A AU2213592A (en) | 1989-08-25 | 1992-09-03 | Metal cladding systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8919330A GB2235709A (en) | 1989-08-25 | 1989-08-25 | Metal cladding panels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8919330D0 GB8919330D0 (en) | 1989-10-11 |
| GB2235709A true GB2235709A (en) | 1991-03-13 |
Family
ID=10662101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8919330A Withdrawn GB2235709A (en) | 1989-08-25 | 1989-08-25 | Metal cladding panels |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2235709A (en) |
| ZA (1) | ZA906718B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986887A (en) * | 1961-11-08 | 1965-03-24 | Eric Dalby | Improvements in or relating to suspended ceilings |
| GB2164972A (en) * | 1984-10-01 | 1986-04-03 | Hunter Douglas Ind Bv | Wall or ceiling panel arrangement |
-
1989
- 1989-08-25 GB GB8919330A patent/GB2235709A/en not_active Withdrawn
-
1990
- 1990-08-23 ZA ZA906718A patent/ZA906718B/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986887A (en) * | 1961-11-08 | 1965-03-24 | Eric Dalby | Improvements in or relating to suspended ceilings |
| GB2164972A (en) * | 1984-10-01 | 1986-04-03 | Hunter Douglas Ind Bv | Wall or ceiling panel arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA906718B (en) | 1991-06-26 |
| GB8919330D0 (en) | 1989-10-11 |
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