Patent ID: 9243442
Filing Date: 2016-01-26
CPC Classification: E04B,E06B,Y02A,Y02B

Claim Text:
1. A shadow box for use with an architectural curtain wall system, comprising: (a) a vision glass panel having an outside surface, an opposite inside surface and a peripheral edge; (b) an opaque back structure, having a peripheral edge, the opaque back structure including a first insulating material and a rigid metal envelope disposed around the first insulating material in which the insulating material includes a solid component; (c) an interior spacer, defining a plurality of chambers therein in which a desiccant is placed, disposed along the peripheral edge of the inside surface of the vision glass panel and along the peripheral edge of the opaque back structure so as to hold the vision glass panel in a spaced apart relationship from the opaque back structure; (d) a first polyisobutylene seal that seals the interior spacer to the vision glass panel and a second polyisobutylene seal that seals the interior spacer to the opaque back structure so that the vision glass panel, the opaque back structure and the interior spacer define a hermetically sealed void therein, the spacer having a length so that the vision glass panel is spaced apart from the opaque back structure by more than 1 inch; and (e) a silicone seal disposed about the interior spacer and affixed to the peripheral edge of the vision glass, the interior spacer and the opaque back structure so as to provide structural support thereto,  wherein the shadow box has been prefabricated prior to insertion into a pre-assembled frame structure.