metallic

Claim 1

IN A BUILDING STRUCTURE WHICH INCLUDES HEAT GENERATING MEANS ENCLOSED WITHIN THE STRUCTURE, AND EFFECTIVE TO LIBERATE HEAT AT A PREDETERMINED TEMPERATURE LEVEL HIGHER THAN THAT REQUIRED IN AN ENCLOSED SPACE WITHIN THE BUILDING STRUCTGURE, FIRST AIR CIRCULATING MEANS FOR INTRODUCING INTO A CIRCULATING SYSTEM AIR AT A TEMPERATURE BELOW SUCH PREDETERMINED LEVEL, FOR CIRCULATING SUCH AIR WITHIN THE STRUCTURE, AND FOR DELIVERING SUCH AIR TO THE ENCLOSED SPACE, AND SECOND AIR CIRCULATING MEANS FOR WITHDRAWING AIR FROM A FIRST PORTION OF THE ENCLOSED SPACE AND FOR CIRCULATING SUCH WITHDRAWN AIR WITHIN THE STRUCTURE, THE IMPROVEMENT OF A METALLIC, CELLULAR, STRUCTURAL FLOOR CONSTRUCTION WITHIN THE BUILDING STRUCTURE, SAID FLOOR CONSTRUCTION HAVING A HORIZONTALLY EXTENDING CENTRAL WEB THAT IS SUBSTANTIALLY COEXTENSIVE WITH AT LEAST A PORTION OF A FLOOR OF THE BUILDING STRUCTURE, WALL MEANS COOPERATING WITH A FIRST MAJOR SIDE OF SAID CENTRAL WEB TO FORM A PLURALITY OF PARALLEL, LONGITUDINALLY EXTENDING AIR DUCTS EACH OF WHICH IS A PORTION OF ONE OF THE FIRST AND SECOND AIR CIRCULATING MEANS, AND WALL MEANS COOPERATING WITH A SECOND MAJOR SIDE OF SAID CENTRAL WEB TO FORM A PLURALITY OF PARALLEL, LONGITUDINALLY EXTENDING CONDUITS ENCLOSING THE HEAT GENERATING MEANS WITHIN THE STRUCTURE, EACH OF THE CONDUITS BEING VERTICALLY ALIGNED RELATIVE TO ONE OF THE DUCTS, AND HAVING THEREWITH A COMMON WALL WHICH IS A PART OF SAID CENTRAL WEB, WHEREBY HEAT FROM THE GENERATING MEANS IS CONDUCTED THROUGH AT LEAST ONE PORTION OF SAID CENTRAL WEB AND TRANSFERRED TO AIR CIRCULATED THROUGH THE ALIGNED CONDUIT.