Closure devices for containers suitable for holding liquids
AssigneeArtsana S.p.A.
InventorGianluca BELTRAMI
Life of this patent
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Abstract
A closure device (1) for containers comprises a collar (3) that is adapted to be applied to a neck (2a) of a liquid container (2) and has a lip (5); an elastically deformable membrane (6), that is adapted to be connected to the collar (3) and to close the container (2), the membrane (6) is configured to rest upon the lip (5) and define a seal (7) along the lip (5), the seal (7) is designed to be at least partially released by the pressure exerted by the mouth of a user; a first flange (10) and a second flange (11), the first flange (10) is formed as a single piece with the membrane (6), the second flange (11) is fixed to the collar (3) to be locked between the first flange (10) and the membrane (6).
Claims13
A closure device for containers suitable for holding liquids, said device comprising a collar adapted to be applied to the neck of a liquid container and having a lip;
- an elastically deformable membrane, configured to be connected to said collar and to close said container, said membrane being configured to rest upon said lip and define a seal along said lip, said seal being releasable at least partially by the pressure exerted by the mouth of a user;
- lock means for locking said membrane to said collar;
- wherein said lock means comprise a first flange and a second flange, said first flange being formed as a single piece with said membrane, said second flange being fixed to said collar to be locked between said first flange and said membrane.
Dependencies are inferred from the claim text.