Polygonal section packaging of sheet material, in particular for bottles and a blank

A package of sheet material for receiving a load having lateral walls that converge upwardly, said load being held firmly in said package by the fact that said package fits the shape thereof, and said package being generally basket-shaped with a lower portion that is at least approximately a rectangular parallelepiped, the package comprising:

• two identical large lateral faces and two identical small lateral faces, said faces being rectangular and being connected to one another by parallel first fold lines;
• and
• a bottom constituted by first flaps connected to at least some of said lateral faces via second fold lines orthogonal to said first fold lines;
• said package further including:
• first and second extensions projecting relative to said lower portion of said package and respectively extending, from their sides opposite to said bottom, said large lateral faces relative to said small lateral faces;
• and
• a cover comprising first and second superposed second flaps respectively connected to said first and second extensions by third fold lines orthogonal to said first fold lines;
• the package including:
• two third flaps respectively connected to said second flaps on their sides opposite to said first and second extensions via fourth fold lines parallel to said third fold lines;
• wherein the first of said third flaps connected to said first extension via the first of said second flaps, is pressed against the inside face of said second extension;
• wherein the second of said third flaps, connected to said second extension via the second of said second flaps is pressed against the outside face of said first extension;
• and
• wherein at least some fixing means are provided for fixing said second of said third flaps to said first extension.