FILLER HEAD ALLOWING A RELIABLE REFILLING WITHOUT SPITTING

The invention relates to a filler head (13) comprising a body (15) including a main part (17) closed by a cover part so as to form a cavity in which a separating device (21) is received, the top end (21A) of the separating device (21) facing the cover part of the body (15) comprises at least one notch (22) improving, when the distribution nozzle is received in the separating device (21), the pressure balance in the filler head (13) so as to ensure that the fluid outgoing from the nozzle has limited possibility to spit back from the filler head (13) during the auto-stop nozzle shut off.