CASES MADE FROM A SHEET MATERIAL, BLANKS AND MACHINE FOR PRODUCING SUCH CASES

摘要

Container of sheet material, such as cardboard or corrugated cardboard, comprising square or rectangular lateral faces connected in pairs by a folding line, the said folding lines being mutually parallel. …??According to the invention, such a container comprises at least five lateral faces. It may be obtained by rolling up a blank of sheet material around a core interacting with a pressure plate whose profile corresponds to that of two or three consecutive faces of the said core. …IMAGE…