The case as claimed in claim 1, characterized in that the central panel ( 20, 87) is rectangular, in that the lateral panels comprise two first opposite lateral panels ( 21, 23) which are connected to said central panel by first fold lines ( 25) with, at each end, said end flaps forming reinforced corners which are connected to said first panels by third fold lines ( 31), the tabs ( 33) themselves being connected respectively to the top edge of said corresponding flaps by fourth fold lines ( 34), and two second opposite lateral panels ( 22, 24) which are connected to said central panel by second fold lines ( 26), without flaps.ģ. A packing case ( 40) comprising a bottom forming a half-case ( 41) obtained from a first cutout and a lid formed by a second cutout, the underside of the bottom being equipped with recesses ( 19, 85, 108, 109, 110, 111) and the lid comprising at least two tabs ( 33, 43, 54, 55, 56, 57, 73, 74, 75, 88) which are stuck to the top surface thereof, in line with the recesses of complementary shape, characterized in that the lid comprises a central panel ( 20, 87) equipped on its sides with four lateral panels ( 21, 22, 23, 24 77, 79, 81) two ( 21, 23) of which are equipped with end flaps ( 27, 28, 29, 30), said tabs each being connected to one of said end flaps.Ģ.