Patent ID: 8403160

Claim:
A container comprising a container body with bottom and side walls and a container neck defining an opening, and a container closure with a top wall and a side wall, the neck and closure comprising corresponding screw threads to allow releasable attachment of the closure onto the neck in order to open/close the container opening: the container body comprises at least one cam-like means located on the external surface of the container body walls, and the closure comprises at least one engagement means corresponding to the cam-like means of the container body, the engagement means comprising an indent and a flexible tongue, the flexible tongue extending downward relative to the top wall, the engagement means having an L shape formed by the indent and the flexible tongue, the indent being located between the flexible tongue and the side wall of the closure, the engagement means being located at the internal surface of the closure walls, and so positioned and arranged that during the screwing operation of the closure onto the container neck, the cam-like means and the engagement means cooperate in an audible manner at the same time the closure is sufficiently engaged onto the neck to ensure at least a liquid tightness of the closed container.