Patent ID: 8573436

Claim:
A Bisphenol A-free system useful for storing and delivering fluid comprising: a stainless steel container portion defining a first inner chamber and having a first end and second end, the first end is closed and forms a base of the inner chamber, the second end having an opening and a neck portion, the opening defined by a first lip portion, the first lip portion being adjacent to the neck portion and having a smaller outer diameter than an outer diameter of the neck portion, wherein the first lip portion comprises a reinforced portion having a thickness measured from an interior of the first lip portion to an exterior of the first lip portion of about 1.2 millimeters; a stainless steel annular portion configured to be coupled to the stainless steel container portion at the neck portion, the stainless steel annular portion comprising: a side wall forming a first circular opening having a first diameter, the first circular opening configured to be coupled to the stainless steel container portion at the neck portion; and a second lip portion comprising a top layer and a bottom layer, the top layer extending inwardly from a top portion of the side wall at an angle greater than zero degrees and no greater than two degrees relative to a horizontal reference plane that is perpendicular to a central axis of the stainless steel annular portion, the bottom layer folded under and flat against the top layer, wherein the top layer and bottom layer of the second lip portion comprise a combined thickness of about 1.1 millimeters, and wherein the second lip portion forms a second circular opening having a second diameter, the first diameter being larger than the second diameter; and a silicone mouthpiece portion defining a second inner chamber and having a base portion and a protruding end extending therefrom sized and configured to be received in a human oral cavity, the protruding end having an aperture in communication with the second inner chamber, the silicon 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, wherein the stainless steel container portion and stainless steel annular portion comprise stainless steel #304, and wherein fluid in the Bisphenol A-free system only contacts silicone or stainless steel materials while contained in the Bisphenol A-free system.