US Patent 7770724 Rigid, slide-open package for tobacco articles

A rigid package (1) for tobacco articles (3), having a first container (2) housing a group (3) of tobacco articles and in turn housed inside a second container (4) to slide, with respect to the second container (4), between a closed position, in which the first container (2) is fully inserted inside the second container (4), and an open position, in which the first container (2) is partly extracted from the second container (4); the package (1) has two connecting strips (22), each of which is connected, on one side, to a major lateral wall (14) of the first container (2), and, on the opposite side, to a major lateral wall (7) of the second container (4), and has a deformable portion (23) at the first container (2).