Boxes or boxes of sheet material and articles for the manufacture of such boxes or boxes

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…