Patent ID: 6814248
Filing Date: 2004-11-09
Classification: B29C,B29L,B65D

Abstract:
A handgrip formed in a container wall of a plastics container, the container wall defining an interior of the container, an interior surface of the container, an exterior surface of the container and a wall thickness and the container being suitable for containing a liquid under pressure, the handgrip comprising:a structure integral with the wall of the container and recessed with respect to the exterior surface of the container, the handgrip including a central dome having a convex surface extending toward the exterior surface of the container, at least an innermost concentric connecting ring and an outermost concentric connecting ring, with each connecting ring having an annular concave surface facing the interior of the container, at least an innermost annular trough and an outermost annular trough, each annular trough having an annular concave surface facing an adjacent portion of the exterior surface of the container, a first inner frustum interconnecting the dome to the innermost trough, a first outer frustum connecting the innermost trough to the innermost connecting ring, another outer frustum connecting the outermost annular trough with the outer most connecting ring, the outermost connecting ring joining integrally with the container wall surrounding the handgrip, and the handgrip in the container wall having a thickness approximately equal to the container wall thickness surrounding the handgrip.