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摘要

Filling head (10) comprises a piston (60) which moves relative to the filling head between a first closing position and a second opening position. The piston is pretensioned using a spring (64) in its first closing position. The head has a first bearing region (52) for an element of a container to be filled. The head is constructed so that a gap remains between the bearing region of the piston in its first closing position and an upper side of a valve dome. Preferred Features: The filling head is essentially cylindrical. The bearing region of the head has an annular surface extending about a longitudinal axis.