Folder e.g. file-folder, has back element comprising connection projections for connection to rear and front lid elements, so that back element and rear and front lid elements foldably formed to each other

摘要

The folder has a rear lid element (1) including edge regions that are connected with an edge region of a back element (2) such that the rear lid element and the back element are foldably formed to each other about an angle of 270 degrees. Another edge region of the back element is connected with edge regions of a front lid element (3) such that the back element and the front lid element are mutually foldably formed about an angle of 270 degrees. The back element comprises connection projections (4) for connection to the rear and front lid elements. The edge regions of the back element and the front and rear lid elements are made from various materials such as Priplak(RTM: polypropylene sheet), timber, metal, and carbon or leather.