Wall panel

Claim 1

A LIGHTWEIGHT INSULATED WALL PANEL STRUCTURE PARTICULARLY ADAPTED FOR ERECTION UPON THE STRUCTURAL FRAMEWORK OF A BUILDING TO ENCLOSE A VERTICAL OPENING DEFINED BY A STRUCTURAL STEEL HEAD MEMBER AND A STRUCTURAL STEEL SILL MEMBER, SAID WALL PANEL STRUCTURE COMPRISING A PLURALITY OF SPACED, HOLLOW VERTICAL SUPPORTS SPANNING SAID OPENING AND SECURED AT THEIR UPPER AND LOWER ENDS TO SAID HEAD AND SILL MEMBERS RESPECTIVELY, SAID HOLLOW SUPPORTS BEING SUBSTANTIALLY RECTANGULAR IN CROSS-SECTION, THE REAR WALL OF EACH SUPPORT HAVING A FLANGE PLATE SECURED THERETO PROVIDING LATERALLY EXTENDED REAR FLANGES, INSULATING PANELS, SPANNING SAID OPENING AND EXTENDING BETWEEN THE SIDES OF ADJACENT SUPPORTS AND ENGAGED WITH SAID LATERALLY EXTENDED REAR FLANGES, EACH INSULATING PANEL COMPRISING A RELATIVELY RIGID SHEET OF INSULATING MATERIAL HAVING A RELATIVELY THIN AND LIGHTWEIGHT METAL FACING SHEET LAMINATED TO OPPOSED SIDES THEREOF, THE SAID FACING SHEETS BEING ENTIRELY SPACED APART AND OUT OF CONTACT WITH EACH OTHER, SAID SUPPORTS BEING OF GREATER CROSS-SECTIONAL DEPTH THAN THE THICKNESS OF THE PANEL, THE FRONT SHEET OF EACH PANEL HAVING OFFSET LONGITUDINAL MARGINAL PORTIONS EXTENDED OUT BOARD FROM THE SAID FRONT SHEET AND OVERLAPPING MARGINAL PORTIONS OF THE FRONT WALL OF THE SUPPORTS, A U-SHAPED CAP MEMBER ENGAGING SAID OVERLAPPING MARGINAL PORTIONS, THE LEGS OF THE U ENGAGING THE ADJACENT EDGES OF THE PANEL, AND FASTENING MEANS, EACH COMPRISING A SCREW EXTENDED THROUGH THE CAP MEMBER AND SECURED TO THE SUPPORT, SAID FASTENING MEANS EFFECTING CLAMPING OF THE SAID OVERLAPPING PORTIONS OF THE FRONT FACING SHEET BETWEEN THE SAID CAP MEMBER AND THE FRONT WALL OF THE SUPPORTS AND EFFECTING CLAMPING OF ADJACENT PANELS BETWEEN THE LEG PORTIONS OF THE CAP MEMBER AND SAID LATERALLY EXTENDED REAR FLANGES.