Perimeter cooled cargo container

Claim 1

LOAD BEARING FLOOR STRUCTURE FOR A TEMPERATURE CONTROLLED FOODS CONTAINER, COMPRISING IN COMBINATION A LOWER OUTER WALL SHELL INCLUDING LOAD SUPPORTING FRAMING AND A LAYER OF THERMAL INSULATION, AN INNER WALL SHELL SPACED ABOVE THE LOWER SHELL, THE INNER SHELL HAVING A HEAT CONDUCTIVE METALLIC FLOOR PANEL PROVIDING A GOODS SUPPORTING DECK, AND SPACING AND SUPPORTING STRUCTURE OF LOW HEAT CONDUCTIVIT MOUNTED ON THE LWOER LOAD SUPPORTING FRAMING AND SUPPORTING THE FLOOR PANEL AND EMBODYING A PLURAL SET OF ELONGATED TRANSVERSELY EXTENDING AND LONGITUDINALLY SPACED ELEMENTS OF LOW HEAT CONDUCTIVITY AND A PLURAL SET OF ELONGATED LONGITUDINALLY EXTENDING AND TRANSVERSELY SPACED ELEMENTS OF LOW HEAT CONDUCTIVITY, SAID PLURAL SETS BEING IN INTER-SUPPORTING RELATION, THE LONGITUDINAL SPACINGS OF THE TRANSVERSELY EXTENDING ELEMENTS FORMING TRANSVERSE AIR CIRCULATION CHANNELS OPEN AT THE LATERAL EDGES OF THE SPACING AND SUPPORTING STRUCTURE, AND THE TRANSVERSE SPACINGS OF THE LONGITUDINALLY EXTENDING ELEMENTS FORMING LONGITUDINAL AIR CIRCULATION CHANNELS OPEN AT LEAST ONE LONGITUDINAL END OF THE SPACING AND SUPPORTING STRUCTURE AND IN INTERCOMMUNICATION WITH THE TRANSVERSE AIR CIRCULATION CHANNELS BETWEEN THE TRANSVERSELY EXTENDING ELEMENTS, AND TRANSVERSE OPENINGS EXTENDING THROUGH THE LONGITUDINALLY EXTENDING ELEMENTS, SAID OPENINGS ALSO PROVIDING TRANSVERSE AIR CIRCULATION CHANNELS IN ADDITION TO THE AIR CIRCULATION CHANNELS BETWEEN THE TRANSVERSELY EXTENDING ELEMENTS.