Patent ID: 6467644
Filing Date: 2002-10-22
Classification: A47G

Abstract:
A drinking assembly, comprising:an external container comprising a container wall having an outer surface and an inner surface, the external container including a mouth having an upper edge, and an open bottom end; an internal container positioned inside the external container, the internal container comprising a container wall having an outer surface, an inner surface, a mouth, and an open bottom end; wherein the diameter of the outer surface of the internal container is smaller than the diameter of the inner surface of the external container so that a gap is defined between the internal container and the external container when the internal container is positioned inside the external container; a bottom cover having a disk member and a shaft extending from the disk member; and wherein the shaft has first threads provided thereon, and wherein the internal container has second threads provided on the inner surface of the internal container adjacent the bottom end of the internal container, wherein the first and second threads engage each other to secure the bottom cover to the bottom end of the internal container.