Patent ID: 8020729
Filing Date: 2011-09-20
Classification: B65D,Y10T

Abstract:
1. A closable opening device ( 1 ) for a sealed packaging, including a flowable medium, wherein the device encompasses a pouring nozzle ( 2 ) with a flange ( 21 ) which has an internal thread ( 23 ) and an external thread ( 22 ), a cylindrical cutting element ( 3 ) with an upper rim ( 32 ) which defines a planar surface, while a lower rim ( 33 ) has one tooth or a plurality of teeth ( 35 ), an internal jacket surface which has catches ( 39 ) acting in a radial direction and which interact with catches ( 46 ) in a screw cap ( 4 ), wherein the pouring nozzle ( 2 ) with the flange ( 21 ) and the cylindrical cutting element ( 3 ) are produced as a one-piece semifinished product ( 5 ) connected to one another via weakened bridges ( 34 ), wherein the cylindrical cutting element ( 3 ) of the semifinished product ( 5 ) is integrally molded near an upper rim ( 25 ) of the pouring nozzle ( 2 ), the opening device ( 1 ) comprising a revolving shoulder ( 38 ) protruding outwardly at the lower rim ( 33 ) of the cutting element ( 3 ) above the teeth and the external thread ( 31 ) mounted above the shoulder and a plurality of connected weakened bridges ( 34 ) in a non-fitted position near the upper rim ( 25 ) of the pouring nozzle ( 2 ).