Box with a sealed closure and with a reclosable product delivery spout

In a box having a sealed closure guaranteeing the product contained therein, and having a reclosable product delivery spout, said box comprising a box-like body with a product delivery spout, a sliding plate hinged to said box-like body so tat said plate faces said spout, the sliding plate having an opening which covers or reveals said spout, said plate cooperates with the spout outside said box-like body and is shiftable towards two prefixed configurations, a first non-use configuration wherein said plate hinged to said box-like body covers said product delivery spout to define a sealed closure guaranteeing the product contained in the box, and a second in-use configuration wherein said plate, or a part thereof, is inserted into a slit made in said box-like body to define a guide for the sliding of the said plate upon the outer surface of the box-like body along a stroke so limited as to cover or to reveal the product delivery spout, and thus to bring said opening into or out of correspondence with the product delivery spout.