Patent ID: 6772910
Filing Date: 2004-08-10
Classification: B65D

Abstract:
A cap for a container, said container having a top opening and being capable of containing a liquid, said cap incorporating a seal piercing element, and wherein:the liquid in the container is initially separated from said piercing element by a seal; said cap including: a collar with means for securing the cap to the container about the top opening, said collar being formed with a liquid passage therethrough; a neck portion; a top portion which is moveable, has a liquid passage therethrough, and comprises the seal piercing element; and wherein the top portion is moveable between three positions, these positions being an initial position, an open position and a closed position, the initial position being a visual indicator of a sealed container and wherein the top portion is moveable from the initial position to the closed position and, when first so moved, causes the piercing element to pierce the seal, and thereafter when said top is moved from the closed position to the open position a liquid passage way is created for the liquid from the container to outside the cap, and wherein thereafter when the top portion is in the closed position, one or more elements of the top portion bear against one or more elements of the neck portion, or engage therewith, to provide a liquid seal between the top portion and the neck portion; and wherein said cap further includes: â€ƒreleasable means for releasably maintaining the top portion in the initial position and releasable means for releasably retaining the top portion in the open position; and wherein â€ƒwhen the top portion is in the initial position, the liquid is sealed within the container by said seal.