Insulated wall and method of manufacture

Claim 1

A THERMALLY INSULATED WALL STRUCTURE COMPRISING, IN COMBINATION, A FIRST PANEL HAVING UPSTANDING SIDE AND END WALLS AND A CONTINUOUS FLANGE EXTENDING INWARDLY FROM SAID WALLS, A SECOND PANEL DISPOSED INWARDLY OF SAID FLANGE AND HAVING PERIPHERAL WALL PORTIONS SUBSTANTIALLY IN THE PLANE THEREOF, SOLIDIFIED INSULATION MATERIAL SUBSTANTIALLY COMPLETELY FILLING THE SPACE BETWEEN SAID PANELS, MEANS PROVIDING A RIGID SUBSTANTIALLY RECTANGULAR CHANNEL STRUCTURE OF RELATIVELY LOW THERMAL CONDUCTIVITY MATERIAL SUBSTANTIALLY WHOLLY WITHIN SAID INSULATION MATERIAL, MEANS INCLUDING A PLURALITY OF RIB MEMBERS EXTENDING OUTWARDLY FROM SIDE WALL PORTIONS OF SAID CHANNEL STRUCTURE FOR IMMOBILIZING THE SAME WITHIN SAID SOLIDIFIED INSULATION MATERIAL BY AN INTERFITTING ENGAGEMENT THEREWITH, SAID CHANNEL STRUCTURE EXTENDING CONTINUOUSLY ABOUT SAID SECOND PANEL AND HAVING LATERALLY EXTENDING WALL MEANS DISPOSED IN OVERLYING RELATION WITH THE WALL OF AN ADJACENT PANEL TO FIX SAID PANEL RELATIVE TO SAID INSULATION, AND GASKET MEANS HAVING A BASE PORTION FRICTIONALLY RETAINED WITHIN SAID CHANNEL STRUCTURE AND A RESILIENT HEAD PORTION OUTWARDLY THEREOF.