Abstract:
A fixing member (1) for fixing a dispensing member (2) to a neck (30) of a receptacle (3), said fixing member comprising member-receiving means (120) serving to receive said dispensing member (2), and fixing means (10) serving to co-operate with an inside wall (31) and an abutment surface (35) of the receptacle neck, once the fixing member has reached its final position in which it is fixed to the neck, said fixing means comprising a collar (11) which extends outwards and which serves to come into abutment against the abutment surface (35) of the neck in the final position, and a skirt (10) serving to be engaged in the neck so as to come into tight-fitting contact with the inside wall (31) of the neck in the final position, said skirt (10) having a top end (101) and a bottom end (102), said fixing member being characterized in that the skirt (10) includes an elastically-deformable segment (103) that can be elastically deformed radially inwards and that is suitable for being and for remaining elastically deformed by contact with the inside wall (31) of the neck in the final position.