Patent ID: 6896920
Filing Date: 2005-05-24
Classification: B65D,B67B

Abstract:
1. A sealed beverage package comprising: a bottle having a base and an upstanding side wall which forms a primary chamber, said primary chamber being charged with beverage containing gas in solution to form a primary head space and the bottle having an openable top sealed by a closure and a necked region adjacent said openable top; the primary chamber having therein a hollow insert which floats on the beverage in that chamber and provides a secondary chamber contain gas under pressure that is capable of communicating with the primary chamber by way of a restricted aperture whereby upon opening of the beverage package, gas and/or liquid under pressure in the secondary chamber is directed into the beverage in the primary chamber to form or assist in the formation of froth on the beverage, said insert having been received in the bottle longitudinally through said open top prior to that top being sealed, and the said insert being orientated during insertion to locate the restricted aperture to be submerged in that beverage as it floats in the beverage; characterized in that the floating insert has a longitudinal extent greater than the maximum internal lateral dimension of the bottle whereby abutment of the insert with the upstanding side-wall of the bottle restrains the insert from rotating lengthwise within the primary chamber sufficiently for the restricted aperture to be exposed to the primary head space; and in that said insert is provided with projection means which comprises at least one fin extending laterally outwardly from said insert and which cooperates with said necked region to restrain the insert from passing from the primary chamber through the open top and wherein said at least one fin flexes laterally inwardly relative to the longitudinal extent of the insert from a tangential plane to a contracted condition to permit insertion of the insert into the primary chamber through the open top.