Patent ID: 7413083

Claim:
An integral injection molded plastic cap and container assembly, comprising: a plastic container having sidewalls, the container closed at a bottom end and open at an upper end; a plastic cap having a base with an outer periphery and a skirt extending perpendicular to the base, the cap further having an inside and an outside surface; a plastic hinge attached to the container and to the cap at a first end of the cap and a first end of the container to form an integral injection molded plastic container and cap assembly; a plastic spring element that is plastic injection molded to the inside surface of the cap, wherein the spring element is configured to pass by a portion of the sidewalls opposite the hinge when the cap is pivoted open and closed; a moisture tight seal formed around the skirt of the cap and an outside of the sidewalls of the container so that, when the cap is in the closed position, the seal maintains a moisture ingress rate of less than 250 micrograms/day.