Multi-wall container

Claim 1

In a container formed from a unitary blank of foldable paperboarD cut and scored to provide a box-like structure open at the top and having a separate cover, the combination of: a. a generally rectangular, single-ply bottom wall; b. a pair of opposed, double-ply side walls each including: i. an outer panel hingedly attached to and upstanding from a side edge of said bottom wall; ii. an inner panel hingedly attached at its upper edge to the upper edge of said outer panel and folded into face-to-face engagement with the inner surface of said outer panel; c. a pair of opposed, triple-ply end walls, each including: i. a one-piece outer panel hingedly attached to and upstanding from an end edge of said bottom wall; ii. a two-piece intermediate panel including a pair of coplanar panel sections hingedly attached to adjacent end edges of respective side wall outer panels and folded inwardly into face-to-face engagement with the inner surface of said outer panel and having their free end edges disposed in substantially abutting relationship; iii. a two-piece inner panel including a pair of coplanar panel sections hingedly attached to adjacent end edges of respective side wall inner panels and folded inwardly into face-to-face engagement with the inner surfaces of said intermediate panel sections and having their free end edges disposed in end to end relationship. iv. said intermediate panel sections each being provided with notches in the abutting edges thereof which are aligned with each other and with an opening in the related end wall outer panel to provide a common hand hole; d. a cover for said container having a top wall and opposed pairs of side and end walls hingedly attached thereto and depending therefrom for telescopic engagement with upper portions of the related side and end walls of said container; e. each of the end walls of said cover having cut therefrom and hingedly attached thereto a locking flap foldable inwardly slightly less than 180* for locking engagement with the hand hole of the related end wall of said container.