Drinking vessel
AssigneeCharles (Glassware) Ltd
InventorClive Grenville Alan Waugh
Life of this patent
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Abstract
An inside surface of a drinking vessel is treated with a material suitable for providing nucleation sites to encourage the formation of bubbles in a liquid containing a gas such as carbon dioxide or CO.sub.2 /nitrogen mixture. The material may be printed upon the internal surface.
Claims16
A drinking vessel or fluid container wherein one or more nucleation sites are provided on an internal surface by applying an ink or paste material suitable for providing nucleation sites to the internal surface, the material being printed upon the surface and non-removably adhered thereto in the presence of a drinking fluid in the vessel.
A method for providing nucleation sites on the internal surface of a drinking vessel or fluid container, comprising printing an ink or paste material suitable for providing nucleation sites upon the surface, and causing the material to non-removably adhere to the surface in the presence of a drinking fluid in the vessel.
Dependencies are inferred from the claim text.