Sectional box construction

Claim 1

A BOX ASSEMBLY COMPRISING A PLURALITY OF PANELS FORMING UPRIGHT FIRST OPPOSED SIDE WALLS AND SECOND OPPOSED SIDE WALLS, A BOTTOM, AND A TOP COVER, EACH PANEL COMPRISING A WALL SECTION HAVING OPPOSITE SIDES AND FIRST AND SECOND OPPOSED PARALLEL EDGES AND SECOND AND THIRD OPPOSED PARALLEL EDGES, A FIRST NARROW RECTANGULAR STRINGER CONNECTED TO ONE SIDE OF EACH PANEL FLUSH WITH SAID FIRST EDGE, SAID FIRST STRINGER HAVING END PORTIONS PROJECTING OUTWARDLY WITH RESPECT TO SAID THIRD AND FOURTH EDGES, A SECOND NARROW AND RECTANGULAR STRINGER PARALLEL TO SAID FIRST STRINGER CONNECTED TO SAID SAME SIDE AS SAID FIRST STRINGER, SAID SECOND STRINGER BEING SPACED INWARDLY FROM SAID SECOND EDGE, SAID SECOND STRINGER HAVING END PORTIONS PROJECTING OUTWARDLY FROM SAID THIRD AND FOURTH EDGES, EACH PANEL HAVING A CENTRALLY DISPOSED RECESS OPENING OUTWARDLY OF SAID SECOND EDGE, WHEREBY IN THE ASSEMBLED CONDITION OF SAID BOX, SAID TOP COVER AND BOTTOM EACH COMPRISES A PAIR OF PANELS HAVING THEIR SECOND EDGES POSITIONED CONTIGUOUSLY AND THEIR RECESSES IN REGISTRY, WITH THE STRINGERS OF THE TOP COVER AND THE STRINGERS OF THE BOTTOM PROJECTING IN A DIRECTION TOWARD EACH OTHER, EACH SIDE WALL COMPRISING AN UPRIGHT PANEL WITH THE STRINGERS PROJECTING OUTWARDLY AND WITH THE RECESSES OF SAID FIRST OPPOSED SIDE WALLS PROVIDING A SPACE RECEIVING SAID SECOND STRINGERS OF SAID BOTTOM PANELS, SAID SECOND STRINGERS OF SAID SECOND SIDE WALLS BEING DISPOSED ON TOP OF SAID FIRST STRINGERS OF SAID BOTTOM PANELS, THE FIRST STRINGERS OF SAID COVER PANELS BEING DISPOSED ON TOP OF SAID FIRST STRINGERS OF SAID SECOND SIDE WALLS AND SAID SECOND STRINGERS OF SAID COVER PANELS HAVING THEIR PROJECTING END PORTIONS BEING SUPPORTED ON THE FIRST STRINGERS OF SAID FIRST SIDE WALLS, SAID FIRST AND SECOND STRINGERS OF SAID SIDE WALLS HAVING CERTAIN OF THEIR END PORTIONS OVERLAPPING IN ENGAGEMENT WITH EACH OTHER, AND MEANS FOR CONNECTING SAID TOP COVER, BOTTOM, AND SIDE WALLS IN ASSEMBLY.