Patent ID: 8020720

Claim:
A stopper member (C) for mounting on an opening ( 31 ) of a fluid reservoir (P), said member being characterized in that it comprises: a base body ( 1 ) forming a fluid dispenser orifice ( 17 ); an assembly part ( 20 ) for mounting in stationary manner on the base body ( 1 ); and a closure lid ( 25 ) for closing the dispenser orifice ( 17 ), the lid ( 25 ) being connected to the assembly part via a hinge ( 26 ), the lid ( 25 ) and the part ( 20 ) being made as a single piece, the lid ( 25 ) initially being connected to the assembly part ( 20 ), before the lid is opened for the first time, via at least one bridge ( 28 ) of material able to be broken at the first opening, the closure lid engaging the dispenser orifice ( 17 ) in leaktight manner, in which the body ( 1 ), the part ( 20 ), and the lid ( 25 ) are made as a single piece, the part ( 20 ) being connected to the body ( 1 ) via a hinge ( 24 ), the part ( 20 ) being fitted and fastened on the body ( 1 ).