Collapsible box for trash compacting system

A collapsible box comprising:

• a. an elongated main section with a rectangularly shaped bottom panel having front, rear and side margins and upwardly folding, rectangularly shaped front and rear panels having bottom and side margins, the front and rear panels being hingedly connected at their bottom margins to the front and rear margins respectively of said bottom panel;
• b. a pair of continuous, inwardly folding flanges having inner and outer margins, with the inner margins thereof connected to the side margins of the front, rear and bottom panels of the main section, each of the inwardly folding flanges having one pair of fold lines extending from the intersection of the front and bottom panels to the outer edge of the flange, and one pair of fold lines extending from the intersection of the rear and bottom panels to the outer edge of the flange, each pair of the fold lines comprising one fold line which extends transversely across the flange, and one fold line which extends diagonally across the flange to thereby define a triangularly shaped flange section which is folded about the transverse and diagonal lines into contact with and secured to an adjacent section of the flange;
• c. a pair of opposed upstanding side panels secured to the inner side of at least the portions of the continuous inwardly folding flanges connected to side margins of the front and rear panels so that the inwardly folding flanges are on the exterior of the box;
• and
• d. a continuous medial fold line extending longitudinally along the central portion of the main section including the front, rear, and bottom panels to facilitate the folding of these panels when the box is collapsed into a flattened state.