Patent ID: 7428967

Claim:
A rigid package for tobacco articles, comprising a cup-shaped container ( 2 ) having an open end ( 3 ); a cup-shaped lid ( 4 ) hinged to the container ( 2 ) along a hinge ( 5 ) located between a rear wall ( 11 ) of the lid ( 4 ) and a rear wall ( 11 ) of the container ( 2 ) to rotate, with respect to the container ( 2 ), between an open position and a closed position respectively opening and closing the open end ( 3 ); and mechanical sound means ( 20 ), which generate an audible sound as the lid ( 4 ) is rotated about the hinge ( 5 ), are located astride and over the hinge ( 5 ), and have a first end ( 22 ) at the rear wall ( 11 ) of the lid ( 4 ) and a second end ( 23 ) at the rear wall ( 11 ) of the container ( 2 ) to be operated by the rotational movement between the rear wall ( 11 ) of the lid ( 4 ) and the rear wall ( 11 ) of the container ( 2 ); wherein the mechanical sound means ( 20 ) comprise a bistable member ( 21 ) located astride the hinge ( 5 ), and which acts by contrast between the rear wall ( 11 ) of the lid ( 4 ) and the rear wall ( 11 ) of the container ( 2 ); and wherein the bistable member ( 21 ) may assume a first configuration, in which the bistable member ( 21 ) is raised off the rear walls ( 11 ) of the container ( 2 ) and the lid ( 4 ), and a second configuration, in which the bistable member ( 21 ) is substantially aligned with the rear walls ( 11 ) of the container ( 2 ) and the lid ( 4 ).