Patent ID: 8409064
Filing Date: 2013-04-02
Classification: B31B,B31D

Abstract:
1. A method for producing a packaging box with a polygonal section from at least two blanks of sheet cardboard or corrugated cardboard material, namely a first blank ( 2 ) forming the bottom of said box, and a second blank ( 3 ) comprising at least four panels ( 4 , 5 , 6 , 7 ) respectively connected together by third parallel fold lines ( 9 ), comprising a lower free edge lacking a flap on the side of the bottom, said second blank forming a cover for said box, characterized in that blanks are taken simultaneously from two adjacent magazines ( said blanks are transferred flat to said tracks by being guided substantially with a lateral clearance between two rails ( said first blank ( the first and second blanks are wedged in lateral abutment respectively in order to be given an exact lateral reference position, the second blank ( the second blank is then pressed onto the first blank in order to glue them together in their determined respective longitudinal positions, and then the assembly of blanks thus formed is transferred to a forming station (