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US 4,363,416 AGranted
Wine cork
AssigneeAPM Corporation
InventorBert E. Loughmiller
Life of this patent
Estimating the term…
Abstract
A two piece plastic closure is provided which is particularly adapted for still wines and which has substantially the same appearance as conventional corks made from natural materials.
Claims1
A two piece wine cork comprising in combination:
- a. a bottom portion, said bottom portion having a plug portion of a size to fit into a wine bottle, said plug portion having a hollow interior and a closed bottom and having a plurality of circumferential ridges thereon, a flat rim portion extending outwardly from the top of said plug portion and a cylindrical upstanding shoulder above said rim, said shoulder being smaller in diameter than said rim and being larger in diameter than said plug portion, and a plurality of radial buttress elements within said shoulder, starting at the top of said shoulder and sloping inwardly and downwardly to connect with the inner surface of said rim,
- b. a top portion fitting over said shoulder having a curved outer surface of pleasing design and a cylindrical inner surface complementary to said shoulder to form a tight fit with said shoulder, both at the top and sides,
- c. a groove on the inside of said top portion near the bottom terminal edge adapted to snap over said rim and hold the two parts together and,
- d. mating radial ridges and depressions on said rim and said groove to prevent the two parts from turning relative to each other.
1 more element
Dependencies are inferred from the claim text.