Patent ID: 8690013

Claim:
A single-use applicator for discharging a filling substance, comprising an outwardly curved wall and an opposite wall forming a substance receiving chamber, wherein the substance receiving chamber has an outlet, and the opposite wall includes a surrounding web, wherein the web has a substantially arched cross-section with a rounded-off tip and substantially rounded flanks, wherein the web occupies the substance receiving chamber and substantially surrounds an edge of the substance receiving chamber formed by the outwardly curved wall and the opposite wall, wherein the curved wall is sized, shaped, and configured to be depressed, thereby reducing a volume of the substance receiving chamber, wherein the curved wall conforms to and presses against the opposite wall and the web to dispense substantially all of contents from the substance receiving chamber, and wherein the curved wall has the shape of a spherical cap and the single-use applicator is integrally formed by injection molding, the edges of the two walls being connected by a film hinge.