Cap for a fluid container outlet

摘要

In one embodiment a fluid container includes a housing having a chamber therein for holding a fluid and an outlet from the chamber; and a cap capping the outlet. The cap includes a contact surface thereon contacting an interior surface of the outlet and a void therein adjacent to the contact surface such that a portion of the cap underlying the contact surface may flex into the void.

主权项

1. A fluid container, comprising:
a housing having a chamber therein for holding a fluid and an outlet from the chamber; a cap capping the outlet, the cap comprising a shell and an elastomeric liner lining a recessed part of the shell, the liner including:
a cylindrical sidewall;a floor;a first annular groove in the floor for receiving the outlet;a circular contact surface on the floor facing the sidewall and extending around one side of the first annular groove, the circular contact surface contacting an interior surface of the outlet; anda second annular groove in the floor inside of and concentric with the first annular groove, the second annular groove configured to allow the floor to flex when pressure is applied to the circular contact surface:wherein said circular contact surface includes a curved surface with a radius of curvature that varies around a circumference of said circular contact surface.