Sealing device for a drinking container

Details Sealing device for a drinking container Sealing device for a drinking container

2004-07-20

2008-05-20

Stashick, Anthony D. (Department: 3781)

Receptacles

Closures

With closure opening arrangements for means

C220S709000, C229S103100, C215S388000

Reexamination Certificate

active

07374061

ABSTRACT:
A sealing device (2, 2′, 2″) to be arranged between an opening in a drinking container (1′, 1″) and a drinking straw (20), and a method of making the sealing device (2, 2′, 2″). The sealing device (2, 2′, 2″) comprises a region of the drinking container (1′, 1″), or a part connected to the drinking container (1′, 1″), made from a material (14) subjected to a plastic deformation in a portion spanning said opening in the drinking container (1′, 1″). The deformation has the form of a bulge (2a) of thinned material (4). The bulge (2a) is folded upon itself to form a ring-shaped fold (12) on the inside of the drinking container (1′, 1″). The fold (12) encircles the plastically deformed and thinned wall material (4) of bulge (2a), said bulge material (4) forming an inner seal ring (19) around the drinking straw (20) when the bulge material (4) is perforated.

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