Air supply system is for drinks container

摘要

The air supply system is used for beer kegs or beer casks esp. in non-commercial situations. It has a tube (2) extending coaxially from a cylindrical casing (3) which has double walls and a flat lid (7) on the opposite end from the tube. A sleeve (6) surrounds the tube where it emerges from the flat bottom of the housing. The inner wall of the housing has in inward-projecting tubular portion (19), concentrically surrounding the first tube, and closed at the end. The hollow walls may incorporate a cooling element, which may be filled with ice and freezing water.