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| Heat insulating flashing |
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| Circular stairway and method of making same |
| OF THE PREFERRED EMBODIMENTS Referring now to FIG. 1, a circular staircase in accordance with the ... |
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| Heat-insulated structural section assembly |
| In accordance with the invention, this object is achieved by the fact that the flanges for clamping ... |
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| Locking connection for supporting grid systems |
| OF THE ILLUSTRATED EMBODIMENTS Referring first to the embodiment of FIGS. 1-7 there is shown a ... |
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| Ceiling suspension system |
| It is an object of the invention to provide a system of gridwork for a suspended ceiling, where the ... |
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| File indexing system |
| This invention provides a card having a plurality of tabs which can be selectively folded outwardly ... |
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| Apparatus for handling flat, flexible web products |
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Metal cladding systems
| Details |
Inventors: Lim, Guy H.; Rijnders, Willem; Louwerens, Cornelis;
Assignee: Hunter Douglas International (Curacao, AN)
Primary Examiner: Scherbel; David A.
Assistant Examiner: Wood; Wynn
Attorney, Agent or Firm: Fleit, Jacobson, Cohn, Price, Holman & Stern
The specification discloses a method of forming a self sustained cladding panel 10 for use in a cladding panel system for a building using a resilient material 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. |
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DETAILED DESCRIPTION We claim: 1.
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 having an elastic range of deformation and said panel comprising a generally central visible portion, longitudinally extending side edges, and means on said panel connecting said longitudinally extending side edges with respect to one another, said connecting means retaining said panel in a final shape under tension with the elastic range of deformation of said material with at least the central visible portion in an elastically deformed state.
2.
A panel according to claim 1, 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.
3.
A panel according to claim 1, 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.
4.
A panel according to claim 1, wherein the central portion is flat in its relaxed state and prior to interconnecting the longitudinal side edges.
5.
A panel according to claim 1, wherein the central portion is curved in its relaxed state and prior to interconnecting the longitudinal side edges.
6.
A panel according to claim 1, wherein the resilient metal or metal alloy has a high yield strength and a thickness of less than 0.
3 mm.
7.
A panel according to claim 1, wherein the longitudinal side edges each further comprises a rim portion, the rim portions each comprising at least one deformed edge connected to the remainder of the panel by a connecting portion with a radius of curvature of less than 2 mm.
8.
A panel according to claim 1, wherein the longitudinal side edges are connected with respect to one another directly in abutting or closely adjacent relationship to form a virtually closed cross-sectional shape.
9.
A panel according to claim 1, wherein the longitudinal side edges are connected with respect to one another indirectly and maintained at a distance from one another
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