Patent ID: 6539880
Filing Date: 2003-04-01
Classification: B65D

Abstract:
A rail for withstanding a load and formed from a folded sheet, said sheet comprising:a) a central panel; b) two first intermediate panels each inwardly folded and extending generally perpendicularly from said central panel in a generally vertical orientation; c) two second intermediate panels each inwardly folded and extending generally perpendicularly from one of said first intermediate panels in a generally horizontal orientation; d) two third intermediate panels each inwardly folded and extending generally perpendicularly from one of said second intermediate panels in a generally vertical orientation, wherein said third intermediate panels contact each other and form a third generally vertically disposed double wall; e) two fourth intermediate panels each inwardly folded and extending diagonally from one of said third intermediate panels; and f) two end panels each outwardly folded and extending from one of said fourth intermediate panels in parallel with one of said first intermediate panels in a generally vertical orientation, wherein said end panels and said first intermediate panels contact each other and form first and second exterior generally vertically disposed double walls, wherein each of said end panels forming said first and second double walls abut and are prevented from laterally moving by said central panel; wherein other than said two first intermediate panels, said two third intermediate panels, and said two end panels, no other panels are vertically disposed.