Collapsible box including bag and attached lid

摘要

A simplified and foldable disposable rubbish box characterized in that a square-shaped upper lid having an opening thereon is provided with folding flaps on the edges of the upper lid, a pair of folding flaps opposing to each other (hereinafter referred to as "the one opposing folding flaps") are so formed that they contact inner walls near the upper opening of a square-bottomed bag while the other pair of folding flaps opposing to each other (hereinafter referred to as "the other opposing folding flaps") are stuck to the inner wall near upper opening of the square-bottomed bag in a manner such that folding lines of the folding flaps are positioned slightly above the open end of the square-bottomed bag. The one opposing flaps have a folding line which crosses in the middle thereof along the line crossing the center of the opening provided on the upper lid, and projections are provided on the both sides of each of the one opposing folding flaps which engages with holes provided on the square-bottomed bag at corresponding positions for receiving the projections.