Container cap securing and venting
AssigneeCelebrate Everywhere, LLC
InventorsJohn R. Bergida, Marvin M. Bergida
Life of this patent
Estimating the term…
Abstract
In consumer-market containers for beverages or other contents under pressure, the cap provides a gas-tight seal by way of two mechanisms that work interdependently. The first is a pressure grip configured to grip the outside wall of the container. The second is twist threads, or some other second attachment structure, that urges the inside of the cap (or, typically, a cap liner disposed thereon) against the rim of the container. Release of pressurized gases when the container is first opened can be by way of release vents in the cap, or via the bottom of the cap through the twist thread area. In the latter case, particular configurations of the pressure grip are relied on to establish the gas escape path.
Claims26
A manufactured product comprising:
- a container having a substantially cylindrical sidewall defining a rimmed circular opening and having twist threads on the sidewall,
- a cap including a top end covering a rim of the opening, a sidewall, twist threads on the sidewall that are engaged with the twist threads of the container, and an annular pressure grip, the annular pressure grip being affixed to the sidewall of the cap so that the annular pressure grip rotates along with rotation of the sidewall of the cap as the twist threads of the cap are rotatably engaged with or disengaged from the twist threads of the container, the annular pressure grip being in binding contact with the sidewall of the container, and
- pressurized contents within the container that exert a gas-induced internal force on an underside of the cap's top end,
- wherein the cap is in an initial position that seals the contents in the container.
A twist cap configured to seal pressurized contents within a container when the twist cap has been twisted to a sealing position onto the container, the container being of a type that has a substantially cylindrical sidewall defining a rimmed circular opening and twist threads on the sidewall, the twist cap including a top end that covers the rim of the opening when the twist cap is twisted onto the container, a sidewall, twist threads on the sidewall that are engageable with the twist threads of the container when the twist cap is twisted onto the container, and an annular pressure grip affixed to the sidewall of the twist cap so that the annular pressure grip rotates along with rotation of the sidewall of the twist cap as the twist threads of the twist cap are rotatably engaged with or disengaged from the twist threads of the container, the annular pressure grip being configured in such a way that the annular pressure grip is in binding contact with the sidewall of the container when the twist cap has been twisted onto the container.
Dependencies are inferred from the claim text.