Patent ID: 8863998

Claim:
A liquid dispenser device including a valve, comprising: a valvemember-forming portion for blocking and passing liquid out from the device; and a fastener edge for permanently fastening the valve relative to a container, the fastener edge comprising a tubular fastener wall sandwiched radially between an inner tubular wall and an outer tubular wall, the inner tubular wall being carried by a housing mounted on the container, and the housing covering the valve, at least in part; wherein the device has an axis of revolution defining an axial direction, and the inner tubular wall, the tubular fastener wall, and the outer tubular wall are three concentric tubes about the axis of revolution; wherein the outer tubular wall is carried by a support mounted on the container and the inner and outer tubular walls apply radial compression to the tubular fastener wall, the radial compression applied radially with respect to the device; and wherein the housing includes a groove defined by the inner tubular wall, a bottom wall and an outer shell the groove sandwiching the fastener wall of the valve together with the outer tubular wall.