Automatic capping equipment, provided with a sterilizing device

Automatic capping equipment provided with sterilisation means, having at least a rotary screwing head (10) able to screw a cap (19) onto the mouth of a container (9) fed below said screwing head (10), in which the screwing head (10) operates in a sterile area (23) of the equipment (1) and is supported by a related sliding support shaft (12) destined to be animated with an alternating motion, heating means being associated to said support shaft (12),

• wherein the heating means (25) are associated to said support shaft (12) in correspondence with an operating part (12a) thereof that is moved into and out of to said sterile area (23) for performing a heating action that is localised to said operating part (12a) of the shaft (12) to maintain it at such a temperature as to guarantee its sterile condition and in such a way that the remaining part of each shaft (12) is not substantially heated by the heating means (25).