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Secondly, each vertical mullion 68 incorporates a vertical air seal gasket 72 which is integrated into the split mullions. This vertical air seal gasket 72 also mates and/or overlaps with the horizontal air seal gasket 66 to create a continuous gasketed air seal system. Thirdly, the extent of the notching in the vertical mullion 68 is shown with the dotted line 84.
All of the vertical and horizontal sills, headers, mullions and other similar framing components are shown in the figures in a simplified form in the interest of clarifying the points of invention. It would be known, however, to one skilled in the art to employ the necessary holes and edges for effective drainage, thermal breaks, etc.
In the arrangement of FIGS. 4, 5 and 6, the concrete anchor 74 at the top, can slide within the vertical mullion 68, while the concrete anchor 76 at the bottom, is fastened to the vertical mullion 68 with two fasteners 86 (self-tapping sheet metal screws or the like). These two fasteners 86 transfer the dead load and provide a moment connection between the vertical mullion 68 and the concrete anchor 76 - mapes insulated panels.
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The precise dimensions required will depend on the parameters for a given application but are easily calculated. Depending on the vertical mullion design where the concrete anchors 74, 76 are engaged into a frame it may be tapered or not at the end condition. Two of such variants on the concrete anchors 74, 76 are shown in the figures - infill panel.
6 shows a variant of the concrete anchors 74, 76 having a right-angled square at the top, while FIG. 5 shows anchors with a slope or taper. The advantage of a tapered end condition is that it allows the installer at the site or during the assembly to guide the anchor into the vertical mullion more easily between the engagement points of the vertical mullion.
Aluminum is lighter to handle and fabricate, and does not rust like steel. As well, if one was to manufacture both steel and aluminum systems, one would have to separate all the processes because the same equipment cannot be used to fabricate the two materials. These concrete anchors 74, 76 are fastened to the horizontal surfaces of the concrete floor slabs 16, 16′ using standard expansion anchors 78 (or any other suitable type of fastener) as shown in FIG.
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This is in contrast to curtain wall systems which require expensive anchors, embedded into the concrete floor slabs 16, 16′, generally on the face of the floor slabs. Expansion anchors and other similar fastener systems cannot be used with convention curtain wall systems because they cannot handle the stresses which the system creates.
With the system of the invention, the expansion anchors only have to take care of lateral loads; there is no rotational action as in the case of curtain wall systems, just “in and out†loads. The interior of the system is typically finished with two additional pieces of trim. The interior extruded aluminum closure trim 80 is field installed to cover up the mullion anchors at the underside of concrete slab 16, 16′ and also provides a mounting surface for tenant applied curtain rail or other sunshade systems.
This horizontal snap-on trim cover 82 is installed after the completion of the fixed anchor work - insulated spandrel panel. The remaining details of the system flow logically from the description provided herein, and would be clear to one skilled in the art. For example, at the corners one could install either split mullions or monolithic vertical mullions.
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The need for these will depend completely on the building design and shape of or the size of the rigid panels, and it generally changes on every building. The details of these components follow logically from the rest of the design. The difference from existing mullions is that the corners will be notched at the floor slab in the same way as the other vertical mullions.
7, 8 and 9 present a very similar arrangement to that of FIGS. 4, 5 and 6 except that the vertical mullions are notched at the bottom rather than the top, and the sliding anchors are mounted on the upper side of the lower concrete slab rather than the underside of the upper concrete slab.
4, 5 and 6 is preferred because it is easier to install the necessary fire proofing materials. FIG. 7 presents a vertical cross section of the arrangement where the sliding anchor is mounted on top of the lower concrete floor slab. In the same way as the system of FIG.
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The vision glass 50 could be replaced with an insulated panel, a laminated panel or a monolithic panel, and/or finished with any typical architectural material such as granite, limestone, stainless steel, aluminum plate or composite panels. Similarly, the spandrel glass panel 52 could also be filled with an insulated panel, a laminated panel, or a monolithic panel consisting of any architectural material including granite, limestone, stainless steel, aluminum plate or composite material.
With the invention there is no limitation on what kind of vision glass 50 could be installed; 1 inch, 2 inch or 2½ inch thick systems are all fine. Just as in FIG - mapes insulated panels. 4, the vision glass 50 and spandrel glass 52 portions are vertically interconnected via an extruded aluminum transom 54, which is finished with an exterior aluminum or stainless steel cap 56 and pressure plate.
7 is that the spandrel glass 52 portion is at the lower end of a given rigid panel 40, rather than at the top end. Both the transom 54 and cap 56 may be the same as those used in regular curtain wall systems, and are known in the art.
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