Patent ID: 7168596

Claim:
Keg for tapping liquids under the effect of pressure, comprising: (A) a shaped jacket or liner forming a container ( 1 ) having an internal lumen, obtained from at least two nonsymmetrical parts ( 1 a , 1 b ) welded together, one of said parts containing an opening provided with a neck and a riser or upper peripheral skirt ( 13 ) circumferentially surrounding the neck, said neck having an interior surface receiving a filling/tapping device and an exterior surface which is outside the shaped jacket, and said neck having a vent opening ( 20 ) extending between the interior surface and the exterior surface of the neck; (B) the filling/tapping device ( 3 ) positioned in the neck of said opening wherein the filling/tapping device comprises a plunger tube equipped with a screwable head that interacts with the interior surface of the neck to attach the filling/tapping device to the shaped jacket, wherein neither the neck nor the filling/tapping device have a height such that they extend beyond the riser or upper peripheral skirt ( 13 ), and (C) a gasket ( 19 ) disposed between the screwable head and the neck, said vent opening ( 20 ) in the neck being disposed such that the gasket lies closer to the lumen of the keg when the screwable head is attached to the shaped jacket wherein the neck of said opening contains a part ( 9 ) extending inside the lumen and wherein the part ( 9 ) an opening at end ( 10 ), so as to permit passage and maintenance of the tapping device ( 3 ), and having at least one other opening ( 11 ) connecting with the lumen.