Obviating enke casing with a spout opening is covered by a closure

摘要

1407806 Container closure ADOLPH COORS CO 31 Oct 1972 [12 Nov 1971] 50145/72 Heading B8D A bottle or a can for beverages stored under pressure includes a circular pour opening in its end closure or cap 13 closed by a circular depressible tab 15, and a circular vent opening closed by a circular depressible tab 25, the vent opening and tab 25 having smaller areas than those of the pour opening and tab 15, respectively. The tabs 15, 25 are integrally hinged to the cover 13 at regions 17, 27 and around their remaining circumference have underlying marginal portions 18, 28 sealed to the cover by adhesive or a sticker.