Patent ID: 7681764

Claim:
A delivering tap for a liquid vessel, the delivering tap comprising: a) a substantially-cylindrical elongated body equipped with an end comprising sealing rings, and with an opposite end comprising cam means, the elongated body further comprising a planar member placed in a plane which is perpendicular to an axis of the body; and b) a plug comprising a front part, a cylindrical end and an operating knob equipped with engaging means of the cam means, the plug being adapted to be operatively connected to the end of the body in order to assume, when driving the cam means, an opening position in which liquid contained in the vessel is delivered and a closing position of the vessel; where the plug is made in a single piece; where the plug is equipped with tamper-preventing warranty sealing means adapted to signal a possible tampering when opening the tap; where the body is equipped with housing means adapted to contain the tamper-preventing warranty sealing means; and where the cam comprises two walls, the walls being projecting outside a surface of the end of the body and being spirally wound around the end of the body.