| 摘要 |
PCT No. PCT/EP78/00009 Sec. 371 Date Apr. 11, 1979 Sec. 102(e) Date Apr. 04, 1979 PCT Filed Aug. 08, 1979 PCT Pub. No. WO 79/00093 PCT Pub. Date Mar. 8, 1979 A pressure tank is to be filled with a carbonated beverage, in particular beer, without the beverage coming into contact with the walls of the pressure tank. To this end, there is inserted in the pressure tank a plastic bag into which the beverage is introduced. The plastic bag is replaced whenever the tank is to be refilled. The pressure tank is provided with two openings at opposite points which are closed by fittings. The plastic bag is introduced through one of the two openings. To prevent that as the beverage is introduced there remain folds at points of the plastic bag which are already covered by the beverage, it is proposed to introduce the plastic bag into the pressure tank along with a hoselike jacket which as the bag is being filled assures a gradual unfolding thereof.
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