Threaded closure with liner

Details Threaded closure with liner Threaded closure with liner

1982-07-22

1984-07-31

Norton, Donald F.

Bottles and jars

Closures

Cap type

215350, B65D 5304

Patent

active

044625022

ABSTRACT:
A closure for fitment to the threaded neck of a container is disclosed. The closure is especially adapted for use in packaging products such as carbonated beverages. The closure has a circular top wall and an annular skirt downwardly depending therefrom. The skirt carries about its inside surface a closure thread for cooperation with the neck thread of the container. A circular, flexible, resilient liner is positioned against but rotatable with respect to the inside surface of the top wall and has a diameter greater than the outside diameter of the container lip which defines the container mouth. There is provided an annular projection which is located adjacent the inside intersection of the top wall and the skirt. This projection has a configuration whereby it presses the liner on the outside edge of the container lip to form a gas-tight seal when the closure is fitted onto the container.

REFERENCES:
patent: 2068389 (1937-01-01), Smith
patent: 2130749 (1938-09-01), Von Till
patent: 2409788 (1946-10-01), Osborne
patent: 2409789 (1946-10-01), Osborne
patent: 2550586 (1951-04-01), Nardone
patent: 3067900 (1962-12-01), Kessler
patent: 3331523 (1967-07-01), Exton
patent: 3462034 (1969-08-01), Friedberg
patent: 3536224 (1970-10-01), Green
patent: 4151924 (1979-05-01), Jameson

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