Collapsible carton

Claim 1

A carton having a collapsed condition and an erected condition: i. the carton being formed from a blank comprising a plurality of integrally connected panels, said panels including; a. first and second pairs of rectangular panels hingedly connected together along parallel fold lines, the panels of the first pair alternating with the panels of the second pair, and each of said panels having a respective bottom edge; b. and a plurality of extension panels hingedly connected to the rectangular panels along the bottom edges thereof. ii. the blank being folded about said parallel fold lines into a tube consisting of a pair of opposite side panels, constituted by said first pair of rectangular panels, and a pair of opposite end panels, constituted by said second pair of rectangular panels; iii. the carton further comprising; a. a base panel extending between and hingedly connected to the bottom edges of the side panels, said base panel being constituted by a said extension panel hingedly connected to one side panel and means for connecting such extension panel to the other one of said side panels; b. and a pair of flaps, constituted by further ones of said extension panels, pivotally connected to the bottom edges of the end panels, iv. each end panel being formed with an outwardly expressed medial fold line and the base panel being formed with an upwardly expressed medial fold line; v. the end panels and the base panel being folded about their respective medial fold lines when the carton is in its collapsed condition; vi. and the pivoted flaps being formed with respective medial fold lines about which the flaps are folded when the carton is in the collapsed condition; vii. the carton being capable of being erected by application of pressure to the ends of the carton whereby the end panels, base panel and flaps are unfolded about their respective medial fold lines.