摘要 |
A high security multi-pane window and door system (10) describing a stationary outer frame (14) having sashes (15) mounted therein for relative translational movement. Each sash (15) includes a high strength grate (13) placed between two spaced and sealed panes (35) and the grate perimeter bars (33A, 33B, 33C) serving as a perimeter seal spacer bar for two spaced panes (35). A high strength elements system, being part of the high security multi-pane window and door system (10), and comprising: the grate (13) having attached with high strength joints a lock (61), trolleys (57), bottom and top interlocking elements (40, 41), interlocking with bottom and top channels (43, 69). The high strength elements system cannot be disassembled nor opened while the lock bolt (49) is in locked position, even when ventilation gaps are left between the outer frame (14) and the sash (15). The high security multi-pane window and door system (10) incorporates thermo-insulating materials and features thermally broken design. |