A container assembly includes a vessel and a lid removably coupled to the vessel. The lid includes a circumferential rim at an interface with the vessel, wherein the rim is separated from the vessel by a gap, wherein the gap is open to the atmosphere outside the container. The container includes a gasket disposed at a sealing position between the lid and the vessel to seal a reservoir of the vessel from the gap. The rim includes a recess extending circumferentially along a first portion of the rim. The recess forms a portion of the gap and defines a venting zone extending circumferentially along the first portion of the rim. In response to the internal reservoir of the vessel reaching a threshold pressure, a portion of the gasket moves from the sealing position through the gap such that fluid held in the reservoir is vented past the gasket through the venting zone to reduce the pressure of the reservoir.

A cap for a drinking vessel, and particularly a shaker cup. The claimed cap can be securely attached to the drinking vessel or shaker cup to avoid leaks, and also includes a sealable opening through which the contents of the drinking vessel can be poured or drunk and a handle that is convenient for a user and which is attached to the cap in such a manner that the handle moves somewhat freely relative to the cap and the mechanism for closing the opening in the cap. Any non-integral components that come into contact with the contents of the vessel are easily detachable to facilitate thorough cleaning.

Some embodiments are directed to a device for catalytically diffusing a fragrance or active substances, wherein the device includes a bottle with a base, and containing a liquid including a fragrance; a catalytic combustion burner mounted on the base; a capillary wick attached to the burner and partially submerged in the liquid; and a closing cap removably mounted on the base and covering the burner. The cap includes a sealing means bearing against a periphery of a top of the base.

An over-cap device for use with containers having caps. The over-cap device includes an outer wall, a cap engagement wall, and a spacing wall. The cap engagement wall may non-releasably engage an outer surface of the cap and the spacing wall may engage a top surface of the cap. The cap may releasably engage a container.

A 2-piece closure includes a cap having a first skirt perpendicular to, and extending downwardly from, a first circular top wall. The first skirt includes a groove and a first anti-rotation formation. A tamper band attaches to the first skirt by frangible members. A cap cover includes a second skirt extending downwardly from a second circular top wall. The second circular top wall and the second skirt define an interior having a groove engagement formation and a second anti-rotation formation. The cap cover encloses a portion of the cap, with the groove engagement formation and the groove engaged. The first and second anti-rotation formations interact to restrict rotation of the cap cover relative to the cap.

A closure device includes a stopper assembly that provides swing-top closure of a vessel, plus an adaptor so the device can be used with screw-top vessels. The stopper assembly is connected to the adaptor by two connected wires: a bail wire that connects to the stopper assembly, and a lever wire that connects to the adaptor. The inner circumference of the adaptor defines a plurality of vessel threads that engage with the threads defined by the neck of a screw-top vessel. The lever wire is readily removable from the adaptor in order to secure the protruding portions of the lever wire beneath the stop ring of the vessel.

A method of forming a cap assembly comprises injection molding a cap in a first shot from a first polymeric material, wherein the cap has an opening at one end defined by a perimeter. Injection molding a tamper band in a second shot from a second polymeric material such that the tamper band is monolithically attached to the perimeter of the cap. The first polymeric material and the second polymeric material comprise dissimilar resins and the tamper band is configured to sever from the cap with no burrs remaining on the perimeter of the cap.

A cap, apparatus, and method for manufacturing a cap. The cap (104) may include a base (106) defining an orifice therethrough, and a lid ((108) coupled with the base. The lid may include a top surface (125), a bottom surface (134) that is opposite to the top surface, a plug (122) extending from the bottom surface for a first distance, and a brim (114) extending from bottom surface for a second distance that is less than or equal to the first distance. The brim includes a first curve (208) at least partially extending from the bottom surface away from the top surface, and a second curve (210) at least partially extending from the top surface, away from the bottom surface. The brim defines at least a portion of an engagement surface that faces at least partially away from a centerline of the lid. The cap is operable between an open position and a closed position.

A closure includes a pivoting closure cap and a closure base configured to more easily align and securely pivot open without uncoupling. In various embodiments, the pivoting closure cap includes a pair of hinge assemblies including hinge pins pivotable between a closed position and an open position where the pivoting closure cap is opened for pouring. The closure base includes a pair of hinge pin receivers with a hinge pin sockets. The hinge pins located and rotatable within the sockets.

Disclosed are caps for closing an opening in a lid for a container, such as a paint can or bucket, wherein the caps comprises top walls comprising on their top surfaces centrally disposed recesses configured to receive a tool to rotate the caps; and threaded cylindrical projections on their bottom surfaces.