Molded shell trailer bodies

Claim 1

A TRAILER BODY ASSEMBLY, COMPRISING A MAIN UPPER BODY SHELL SECTION AND A MAIN LOWER BODY SHELL SECTION EACH MOLDED FROM FILLER AND BINDER RESIN, SAID SECTIONS BEING HOLLOW, EACH OF SAID SECTIONS BEING HORIZONTALLY FORWARDLY ELONGATED AND HAVING CURVATURE THROUGHOUT SUBSTANTIALLY THE ENTIRE SHELL SECTION EXTENT, SAID SECTIONS BEING COMPLEMENTARY, MEANS INTERCONNECTING COMPLEMENTARY SECTION EDGE PORTIONS, AND FLOORING EXTENDING WITHIN THE INTERIOR OF THE LOWER SECTION AND PERIPHERALLY CONNECTED TO THE INNER SIDES OF THE UPRIGHT WALLS OF SAID LOWER SECTION AT LOCATIONS WHICH ARE EVERYWHERE BELOW THE LEVEL OF SAID INTERCONNECTED SECTION EDGE PORTIONS, SAID LOWER BODY SHELL SECTION BEING INWARDLY RE-ENTRANT ABOVE AND BELOW THE LEVEL OF SAID FLOORING TO FORM TRAILER WHEEL RECESSES WHICH OPEN OUTWARDLY AND DOWNWARDLY AT TRANSVERSE OPPOSITE SIDES OF THE LOWER BODY SHELL, SAID FLOORING AND LOWER SECTION FORMING A CAVITY DIRECTLY BELOW THE MAJOR EXTENT OF THE FLOORING, AND EXTENDING ACROSS THE LENGTH AND WIDTH OF SAID LOWER SECTION, AND LIGHTWEIGHT RIGID RESINOUS MATERIAL SUBSTANTIALLY FILLING SAID CAVITY AND EXTENDING FORWARDLY AND REARWARDLY OF SAID RECESSES TO REINFORCE SAID LOWER SECTION.