Box for packaging multiple format

Abstract

Boxes are described that can vary their shape and size according to how the sheets that make them are folded, by virtue of the presence of multiple punchings appropriately arranged, and wherein at least a portion of said punchings is easily sheared, said punched sheets being also described.

1 . Sheet made of rigid or semi-rigid material comprising a plurality of punchings appropriately arranged able to allow the reciprocal folding of portions of said sheet in order to form two boxes, one bigger than the other, characterized in that at least a portion of said punchings is easily shearable. 
     
     
         2 . Sheet according to  claim 1 , wherein said rigid or semi-rigid material is chosen among: cardboard, corrugated board, plastic material and material made of mixed cardboard and plastic material. 
     
     
         3 . Sheet made of rigid or semi-rigid material according to  claim 1  which has:
 a rectangular central body ( 10 ), 
 two wings having the same dimensions ( 12 ) arranged along the opposite longer sides of said central body ( 10 ) and joined to it by means of two punchings ( 13 ) and a shearable punching portion ( 33 ), 
 two wings ( 14 ) having the same dimensions arranged on the two shorter sides of the same central body ( 10 ) and joined to it by means of a corresponding punching ( 15 ). 
 
     
     
         4 . Sheet according to  claim 3 , wherein said central body ( 10 ) is divided into four sections ( 16 ,  17 ,  18 ,  19 ) by punching lines parallel to each other and perpendicular to the punchings ( 13 ). 
     
     
         5 . Sheet according to  claim 4 , wherein said wings ( 12 ) are in turn divided into four sections ( 20 ,  22 ,  23 ,  24 ) by punching lines parallel to each other and perpendicular to the punchings ( 13 ). 
     
     
         6 . Sheet according to  claim 5 , wherein said sections ( 20 ) have an engagement notch ( 25 ) which allows to the two sections ( 20 ) of the wings ( 12 ) to engage with each other once they are appropriately folded on the respective punching. 
     
     
         7 . Sheet according to  claim 5 , wherein said section ( 23 ) has an edge ( 26 ) that can be folded on the respective punching, while each wing ( 14 ) has two projections ( 27 ) arranged symmetrically and able to engage with corresponding cuts ( 28 ) made in the punching that divides sections ( 16 ) and ( 17 ) and sections ( 18 ) and ( 19 ) and wherein in the central part of the wings ( 14 ) and of the respective adjacent sections ( 16 ) and ( 19 ) of the central body ( 10 ) openings are present  11  which serve as a holder to facilitate the box transportation. 
     
     
         8 . Process to obtain a corresponding box from a sheet according to  claim 1  wherein:
 wings ( 12 ) are folded upwards and sections ( 20 ) are folded inwards in order to fold the wings ( 14 ) over them engaging the projections ( 27 ) in the respective cuts ( 28 ). 
 
     
     
         9 . Process to obtain a corresponding box from a sheet according to  claim 1  wherein:
 on one side the sections ( 24 ) are folded engaging on them the respective wing ( 14 ); 
 on the side opposite to the aforementioned one, the punching portion ( 33 ) joining the sections ( 22 ) and ( 17 ) is sheared, and the sections ( 20 ) and ( 22 ) are folded inwards according to the punching that delimits the section ( 18 ) reciprocally engaging the sections by means of the engagement notches ( 25 ); 
 the section ( 17 ) is folded on the sections ( 20 ) and ( 22 ) 
 the section ( 16 ) and the adjacent wing ( 14 ) once folded form the lid of the box. 
 
     
     
         10 . Boxes obtained by using the sheets according to  claim 1 .