An ecology stay-on tab beverage can end has a first axis extending though a rivet. A tear panel is defined by a frangible score and a non-frangible hinge that joins a first end of the frangible score with a second end of the frangible score. The first axis forms a line of asymmetry of the tear panel. A second axis intersects the first axis at a right angle. An intersection of the first axis with the second axis defines a center point of a clock-like reference having a 12 o'clock position at the first point and a 6 o'clock position at the second point. A first radius of curvature of the frangible score between a 5 o'clock position and a 7 o'clock position is at least 3.6 times larger than a second radius of curvature between a 7 o'clock position and a 9 o'clock position.

A container includes a movable cover for an opening of the container. The cover can be attached to the container to rotate from a first position to a second position to be disposed over the opening in the container. When the cover is in the first position, the opening is at least substantially uncovered, and when the cover is in the second position, the opening is at least substantially covered.

A container top comprising a container top member comprising tracks over an upper surface thereof and a sealer sealing an opening thereof; and a slidable member having a sealing mechanism, the slidable member being slidable through the tracks and positioned such that sliding of the slidable member over the tracks to one direction unseals the sealer, forming an opening over the container top member, in the initial opening thereof and wherein sliding the slidable member back to its original position over the opening formed thereby covers and seals the opening. The opening formed by the unsealing of the sealer can be re-sealed at will by the sealing mechanism of the slidable member. The sealing mechanism may be for example a sealing material coating strip located over a periphery of the slidable member or the physical configuration of the slidable member periphery edges.

A handheld rotary actuated product dispenser having a product compartment with a screw-threaded interior wall; a piston with screw threads on the outer circumference of the piston which cooperate with the screw threads of the product compartment; a spindle of non-circular cross section that passes through the center of the piston; and a base member which facilitates rotation of the drive shaft to move the piston within the product compartment so as to dispense product from the product compartment.

An ecology stay-on tab beverage can end has a center panel having a public side and an opposing product side. The center panel has a displaceable tear panel defined by a frangible score groove and a non-frangible hinge portion of the center panel located between a first end and a second end of the frangible score which retains the displaceable tear panel to the center panel subsequent to opening. The displaceable tear panel has a symbol thereon. The symbol conveys information to a user and is formed by a relief feature on the tear panel. The symbol and the relief feature are spaced at least 0.050 inches radially inwardly of the frangible score groove such that no portion of the symbol and the relief feature are closer than 0.050 inches to the frangible score.

A pressure actuated pressure relief valve is disposed in the body of a beverage vessel and is configured to be in fluidic communication with an exterior of the beverage vessel and an interior of the beverage vessel. The pressure actuated pressure relief valve being configured to actuate from a closed position to an open position based on pressure reaching a threshold within the interior of the beverage vessel. The pressure actuated pressure relief valve being configured to actuate from the open position to the closed position based on pressure falling below the threshold within the interior of the beverage vessel.

Safety cover mechanism for a container that comprises: a sealer; tracks positionable over the upper surface of the container; and a shutter member slidable over the tracks such as to allow covering and revealing the opening by sliding the shutter member over the tracks. The safety cover mechanism is configured such that sliding of the shutter member over the tracks away from the location of the opening of the container causes at least a portion of the sealer to unseal the opening thereby indicating that the container has been opened. A safety mechanism for containers with a pull or a stay-on tab and a press button sealer, where the tab pivotally connects to the container upper surface via a connecting element, wherein the safety mechanism is configured to prevent rotation of the tab over the axis of the connecting element for preventing unauthorized penetration to the container.

A system and method for laser marking can ends, especially pull tabs, includes coating a portion of the can end and/or pull tab with a lacquer having a photonically active material and directing a laser to the lacquer to alter the appearance of the of the photonically active material to form an image, especially a high resolution image. The decorated can end and/or tabs may have a high resolution image.

A resealable container lid assembly including a cap rotationally assembled to a lid. The cap rotates between storage, opening, removal and resealing positions. Operation between the cap and the lid employs any suitable mechanical interface, such as cam tracks and cam followers. The lid includes a tear panel defined by a score line. Features of the cap are used to impinge upon the lid to fracture the score line and open the tear panel. Once opened, the cap can reseal the container. The seal can be provided between a bottom surface of the cap and the top surface of the lid, a feature of the sidewalls of the cap and the lid, or any other sealing interface. The cap can include a tamper indicator. The cap can be replaced with any of a variety of specialized caps and/or accessories designed for different functions.

A lid for a container for bulk material includes a flange for sealing the lid to the container, the flange having an internal peripheral edge. The lid further includes a skim plate having an outer peripheral edge and an aperture sized to receive a barrel of a device for dispensing bulk material. A first tear strip is disposed between the outer peripheral edge of the skim plate and the internal peripheral edge of the flange to release the skim plate from the flange. A small disk portion is disposed in the aperture of the skim plate. A second tear strip is disposed between the outer peripheral edge of the small disk portion and the aperture to release the small disk portion from the skim plate. The flange, skim plate, small disk portion, the first annular tear strip and the second annular tear strip all comprise a unitary molded article.