Patent ID: 6343722
Filing Date: 2002-02-05
Classification: B65D

Abstract:
A fixing element (10) for fixing a dispenser member (20) to a neck (31) of a container (30) containing a substance to be dispensed with a neck gasket (1) being interposed, the neck gasket having an inner edge (2) and an outer edge (3) for providing sealing at the neck (31) of the container (30), said fixing element (10) including a dispenser member receiving portion (11) for receiving said dispenser member (20) and a fixing portion (12) for fixing to said neck (31) of the container (30), said fixing element (10) being characterized in that it further includes a holding portion (13) for receiving and holding said neck gasket (1), said neck gasket (1) being held in said holding portion (13) of the fixing element (10) at its inner edge (2) only;in which said neck gasket is annular and the holding portion of the fixing element is provided with an annular recess made up of an end wall, of an outer wall, and of an inner side wall, said inner side wall being provided with retaining means for co-operating with said inner edge of the neck gasket to hold it securely inside said annular recess; in which said inner side wall of the annular recess forms an angle of less than 90Â° relative to said end wall, so that a diameter of said inner side wall varies relative to a center axis of the fixing element, and the diameter of said inner side wall at an end of said inner side wall furthest from said end wall is greater than a diameter of the inner edge of said neck gasket; and in which a difference between the diameter of said inner side wall at an end of said inner side wall nearest said end wall and the diameter of said inner side wall at the end of said inner side wall furthest from said end wall is such that, once in place in the recess, the gasket is not pre-stressed.