Patent ID: 8739991

Claim:
A fluid dispenser system useful for storing and delivering fluid, the fluid dispenser system comprising: a stainless steel container portion defining an inner chamber and having a first end and a second end, the first end is closed and forms a base of the inner chamber, the second end having an opening and a cylindrical neck portion, the cylindrical neck portion comprising a top rim adjacent the opening, the cylindrical neck portion further comprising a male thread having a major diameter larger than a diameter of the opening; a stainless steel annular portion configured to be coupled to the stainless steel container portion at the cylindrical neck portion, the stainless steel annular portion comprising: a side wall forming a first circular opening having a first diameter, the side wall comprising a female thread adjacent the first circular opening, the female thread configured to engage the male thread of the cylindrical neck portion to couple the stainless steel annular portion to the stainless steel container portion; and a lip portion comprising a top layer and a bottom layer, the top layer extending inwardly from a top portion of the side wall to an inner edge, the top layer being entirely straight between the side wall and the inner edge, the bottom layer formed from extending the top layer to fold under and be positioned flat against the top layer, the bottom layer extending from the inner edge to an outer edge of the bottom layer, the top layer and the bottom layer being in contact with a sealing portion of a mouthpiece portion, wherein the top layer and bottom layer of the lip portion comprise a combined thickness within a range of 0.5 millimeters to 2.0 millimeters, and wherein the inner edge of the lip portion forms a second circular opening having a second diameter, the first diameter being larger than the second diameter, wherein the outer edge of the bottom layer is sized such that a first annular contact region between the sealing portion of the mouthpiece portion and the top rim of the container portion is positioned outwardly of the outer edge of the bottom layer, wherein the top layer is shaped such that a second annular contact region between the top layer and the sealing portion of the mouthpiece portion extends outwardly beyond the first annular contact region; and the mouthpiece portion having the sealing portion and a protruding end extending therefrom sized and configured to engage a human oral cavity, the mouthpiece portion having an aperture configured to be in fluid communication with the inner chamber of the stainless steel container portion, the mouthpiece portion removably mountable in the stainless steel annular portion to allow the protruding end to extend through the second circular opening of the stainless steel annular portion.