Patent ID: 7125454

Claim:
Device for moistening envelope flaps, comprising; a reservoir of liquid; a pump for pumping this liquid; a separator for respectively separating the envelope flaps from bodies of the envelopes; a bar perforated by orifices from which droplets of liquid pumped from the reservoir are sprayed onto the envelope flap, said bar extending from said separator transversely with respect to a direction of advance of the envelopes and inclined with respect to a horizontal plane supporting the envelopes; and a seal provided at a junction between said separator and said perforated bar, wherein said inclination of the perforated bar corresponds to an angle of inclination of the flaps of envelopes with folded down flaps, and wherein said reservoir of liquid comprises an opening for collecting the liquid sprayed in excess through the orifices of the bar and channelled by a recovery gutter.