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US 5,452,818 AGranted
Reusable beverage can closure
OwnerKenneth J. Yostinventor
Life of this patent
Estimating the term…
Abstract
A one-piece closure for resealing and repressurizing an opened beverage container is provided. The closure comprises a body portion with an annular skirt integral to and descending therefrom. The closure further comprises an annular flange integral to and extending radially inward from the annular skirt. The flange provides an air-tight seal with the sides of a beverage container. The closure is reusable and is especially useful with standard tab-top soda containers.
Claims7
An one-piece closure for repressurizing an opened beverage container comprising:
- a substantially rigid circular body portion, a substantially rigid annular skirt integrally descending from said circular body portion, and an annular flexible flange integral with said annular skirt, said annular flange extending radially inward a distance such that the inner diameter of said closure is less than the outer diameter of the beverage container, said annular flange having an initial angle to a horizontal plane through the bottom of said annular skirt within the range of from approximately 5.degree. to approximately 30.degree. so that as said closure is attached to the beverage container said annular flexible flange bends to form an angle greater than said initial angle and sealingly engages the sides of the beverage container.
Dependencies are inferred from the claim text.