Frame structures and the joining of members

Claim 1

A RECTANGULAR BOX COMPRISING A TOP PANEL, A BOTTOM PANEL, AND FOUR SIDE PANELS; FOUR HORIZONTAL RETAINING STRIPS RESPECTIVELY SECURING THE EDGES OF THE TOP AND BOTTOM PANELS TO THE TOP AND BOTTOM EDGES OF THE FOUR SIDE PANELS, RESPECTIVELY, ONE STRIP EXTENDING RESPECTIVELY ALONG EACH SIDE OF THE TOP AND BOTTOM PANELS; EACH STRIP BEING OF ANGLE SECTION HAVING TWO WEBS WITH PARALLEL OUTER EDGES AND FORMED WITH INTURNED FLANGES DISPOSED AT RIGHT ANGLES ALONG SAID OUTER EDGES; ALL OF THE PANELS HAVING GROOVES ADJACENT AND PARALLEL TO THEIR FOUR EDGES; ONE OF THE FLANGES OF EACH HORIZONTAL STRIP BEING ENGAGED IN A GROOVE IN ITS RELATED TOP AND BOTTOM PANEL AND THE OTHER FLANGE OF EACH HORIZONTAL STIP BEING ENGAGED IN A GROOVE IN ITS ADJACENT RELATED SIDE PANEL, THE MATING ENDS OF SAID HORIZONTAL STRIP AT THE FOUR CORNERS OF THE TOP AND BOTTOM PANELS BEING MITRED; FOUR VERTICAL STRIPS RESPECTIVELY SECURING THE VERTICAL EDGES OF THE SIDE PANELS TOGETHER, SAID VERTICAL STRIPS BEING OF SIMILAR CROSS-SECTION TO THE HORIZONTAL STRIP AND HAVING THEIR FLANGES ENGAGED IN THE VERTICAL GROOVES IN ADJACENT SIDE PANELS, AND SAID VERTICAL STRIPS HAVING SQUARED-OFF ENDS ABUTTING THE HORIZONTAL STRIPS RESPECTIVELY; SAID HORIZONTAL STRIPS AT THE TOP AND BOTTOM PANELS BEING APPLIED BY FIRST ARRANGING A LOOSE ASSEMBLY OF SAID HORIZONTAL RETAINING STRIPS AROUND THE FOUR EDGES OF THE TOP AND BOTTOM PANELS RESPECTIVELY WITH THEIR FLANGES ENGAGED IN A PORTION OF THE GROOVES AND WITH THE CORRESPONDING END OF EACH STRIP PROJECTING BEYOND THE SIDE OF THE BOX SO THAT THE OUTER TIP OF THE MITRED END OF ONE STRIP ENGAGES THE INNER TIP OF THE MITRED END OF AN ADJACENT STRIP, AND THEN EXERTING A CLOSING COUPLE ON TWO PARALLEL STRIPS OF THE ASSEMBLY CAUSING THE FOUR RESPECTIVE STRIPS TO SLIDE SIMULTANEOUSLY IN THE GROOVES AROUND THE FOUR EDGES OF THE TOP AND BOTTOM PANELS UNTIL ALL PORTIONS OF THE MITRED ENDS OF THE STRIPS TIGHTLY ENGAGE EACH OTHER AT THE CORNERS OF THE PANELS.