Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Reexamination Certificate
1998-12-01
2001-01-30
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
C052S238100, C052S481200, C052S483100, C052S506040
Reexamination Certificate
active
06178713
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a mounting system for panels for use in facade cladding on buildings and for invisible fastening of the panels on structural supports that are connected to a building wall.
2. Description of the Related Art
EP-A-0 761 904 describes a mounting system for panels for use in facade cladding on buildings. The mounting system comprises structural supports and U-shaped hooks which are connected, by means of a fastening element to that side of the panel facing a building wall. Angle structural supports are fastened to the building wall, the longer angle sides of these structural supports extending into the space between side walls of the hook and have punched openings. Bolts are pushed through holes in the side walls and through the punched openings, which bolts are fixed in their position in relation to the respective hook.
German Utility Model G 94 16 917.9 discloses a fastening system for compact panels made of one or more fiber layers which are hot-pressed together with one another and impregnated with resin and which are externally coated on at least one side with a decorative layer, for invisible mounting on a support body. The fastening system consists of a structural support which interconnects the compact panels and a wall or a support body, and milled cuts are made in those sides of the compact panels facing the support body. The cross sections of which milled cuts are covered by portions of the structural support. Each individual milled cut consists of two cross sections which are arranged on the compact panel in a mirror-inverted manner in relation to a vertical, run at an angle to the surface of the compact panel and enclose between them an angle of 50 to 100°. The cross sections receive square-shaped portions of the structural support. An end-piece of the structural support is of V-shaped design and the portions form the end sections of the V-shape.
The core of compact panels has very great strength and can therefore absorb great forces without breaking or deforming. Compact panels or similar panels are used in particular for facade and wall cladding on account of their great weathering resistance and dimensional stability, care being taken that the fastening of the panels to a wall or a support body is invisible from the outside. According to the state of the art, invisible fastening is brought about by the panels being adhesively bonded or fastened by screws. In the case of screw connections, these are made directly to the panels, the dowels in general being fixed in the panels. Connection to the wall lying behind or to the support body located behind is carried out via, for example, clips.
According to the state of the art, it is also customary to fasten metal hooks in a hole on the rear side of the panels using screws or dowels. The panels are then suspended in metal rails fastened in vertical structural supports connected to the wall or to the building. The rails may also be arranged on adjustable facade anchors. On the upper edge, each of these panels has two adjustable fasteners and one fixed fastener which is designed as a so-called fixed point. The lower fasteners must be attached higher than the lower edge of the panel so as to allow changes in dimensions of the panel and its substructure. The fasteners are, in general, clamps which may, for example, be of semicircular design. In this system, mounting and demounting work is time-consuming because individual panels must in each case be suspended on a metal rail. Adjustment of the panels in the horizontal and the vertical direction requires laborious work on the rear side of the panel which has to be removed in order, for example, to reposition the metal rail in the vertical structural support or to realign facade anchors if these are used. Only after these adjustment operations is it possible for the panel to occupy its new position on the facade substructure.
The object of the invention is to provide a mounting system which makes possible rapid mounting of facade cladding panels, keeps the number of system components low and reduces the costs of facade cladding equipped with invisible fastening means.
SUMMARY OF THE INVENTION
The invention provides a mounting system for panels for use in facade cladding on buildings and for invisibly fastening the panels on structural supports that are connected to a building wall, wherein the mounting system comprises
a) at least one base structural support and at least one connecting structural support, which base and connecting structural supports are fastened horizontally to at least one vertical structural support, the vertical structural support being connected to a building wall;
b) wherein each base structural support has a U-shaped cross section, which has a first upwardly directed leg attached to the vertical structural support, which first upwardly directed leg is connected at a lower end thereof to an end of a horizontal leg; and a second upwardly directed leg connected to another end of the horizontal leg further away from the vertical structural support; and
c) wherein each connecting structural support has a U-shaped cross section having a central vertical leg that is connected to the vertical structural supports, an upper horizontal leg being attached at one thereof to an upper end of the vertical leg and having a short upwardly and downwardly directed leg attached to the upper horizontal leg at another end thereof away from the vertical structural support; and a lower horizontal leg connected at one end thereof to the vertical leg at a lower end thereof, the lower horizontal leg having an open end at another end thereof away from the vertical leg; and a flexible elastic insert being provided at the open end.
The invention also provides a mounting system for panels for use in facade cladding on buildings and for invisible fastening of the panels on structural supports that are connected to a building wall, wherein the mounting system comprises base structural supports and connecting structural supports which are fastened horizontally to vertical structural supports the vertical structural supports being connected to the building wall, wherein each base structural support has a U-like cross section, in which cross section the upwardly directed leg that is further away from the building wall is shorter than the leg fastened to the vertical structural supports, and wherein each connecting structural support has a short, upwardly and downwardly directed leg that is further away from the building wall than a vertical leg that is connected to the vertical structural supports, a horizontal leg, which has a flexible elastic insert at its open end, adjoining the lower end of this vertical leg.
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Delie Hugues C.
Mourmans Math J. W.
Friedman Carl D.
Horton Yvonne M.
Roberts & Mercanti LLP
Trespa International B.V.
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