Box corner reinforcing means

Claim 1

IN A BOX CONSTRUCTION HAVING A BOTTOM WALL, SPACED PARALLEL END WALLS AND SPACED PARALLEL SIDE WALLS WITH FIRST FILLETS LOCATED IN THE INSIDE CORNER FORMED BY THE MEETING OF SAID END AND SIDE WALLS, AND SECOND FILLETS LOCATED AT THE MEETING OF SAID END AND SIDE WALLS SAID BOTTOM WALLS, SAID END AND SIDE WALL BEING SECURED TOGETHER AND TO SAID FILLETS BY A PLURALITY OF FIRST TENSIONED STRAP MEMBERS PASSING THROUGH HOLES IN SAID END AND SIDE WALLS AND ABOUT SAID FILLETS WITH THE EDGES OSAID FIRST FILLETS BEING SLIGHTLY CRUSHED BY SAID STRAP MEMBERS; RUNNERS PARALLEL WITH EACH OF SAID END WALLS AND POSITIONED BENEATH SAID BOTTOM WALL, SAID RUNNERS PROTRUDING A SLIGHT DISTANCE BEYOND THE OUTSIDE SURFACE OF EACH END WALL AND BEYOND EACH END THEREOF, MEANS FOR SECURING SAID RUNNERS TO SAID END WALLS AND SAID BOTTOM WALL INCLUDING SUBSTANTIALLY HORIZONTAL BORES THROUGH SAID RUNNERS, CUT-OUT PORTIONS ON THE OUTSIDE SURFACE OF SAID RUNNERS EXTENDING FROM SAID BORES TO THE TOP SURFACES OF THE RUNNERS WITH THE BOTTOM SURFACE OF EACH CUT-OUT PORTION BEING SUBSTANTIALLY FLUSH WITH THE OUTSIDE SURFACE OF THE ASSOCIATED END WALL, PAIRED HOLES IN SAID END WALLS AND BOTTOM WALL COVERING PORTIONS OF THE EDGES OF SAID SECOND FILLETS, AT ENSIONED FLAT STRAP LOCATED IN SAID CUT-OUT PORTION AND PASSING THROUGH THE ASSOCIATED BORE AND PAIRED HOLES AND ABOUT SAID SECOND FILLETS, AND SEAL MEMBERS SECURING SAID TENSIONED STRAPS AND LOCATED IN SAID CUT-OUT PORTIONS, WHEREBY SAID RUNNERS ARE HELD TIGHTLY TO SAID SECOND FILLETS, END WALLS AND BOTTOM WALL AND SAID STRAPS AND SEALS ARE MAINTAINED AWAY FROM THE SIDE AND BOTTOM SURFACES OF SAID RUNNERS.