Gluing device of an end edge of a log

A gluing device of an end edge of a log comprising in succession an introduction assembly into said gluing device of said logs one after the other, a handling assembly for said log associated to detection means of said end edge and comprising a pair of rolls provided one above the other, said pair of upper and lower rolls being selectively for advancement and holding in rotation said log, a glue dispensing assembly and a transfer assembly of said log comprising a transfer plane, wherein the gluing device has a transverse slot through which the end edge passes, provided immediately downstream the lower handling roll, wherein said glue dispensing assembly is placed in series between said lower handling roll and said transfer plane and comprises a transverse tank for the glue, housing cyclically movable glue transfer members, wherein the transverse tank is provided with an upper cover in abutment with a front wall and with a rear wall of said transverse tank, wherein said upper cover is provided with a plurality of openings provided in succession side by side at a set distance along a transverse row, wherein the movable glue transfer members comprise a plurality of tips provided in succession along a transverse row, alternatively projecting through the relevant openings and retracted within the transverse tank because of the cyclical movement.