Importance

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Abstract

A gluing unit for an end edge of a log and un method implementable in a machine for making logs, wherein the logs (14), which come from a rereeling machine, are fed towards a gluing unit (11) comprising in succession a lower unwinding roller (16), and an upper feeder belt (17) and, immediately downstream of the unwinding roller (16) at least two sections of sloped surface (21, 23), of pre-selected length, followed by a suction roller with vacuum, positioned above which is an upper roller (25), and then a glue dispenser (27), provided above the unwinding roller (16) being an element (19) for blowing a final edge of the log (14) and beneath a photocell (20) for detecting the final edge (21), provided for being surface (34) for evacuating the glued log, provided for being a timing unit (22) for positioning the free end according to an angle (.alpha.) depending on the diameter of the log and the pre-selected length of the sloped surface section (21, 23) in such a manner that the log thus located is positioned on the suction roller with its free end of the final edge thereof arranged at the zone of contact with the suction roller.

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First Claim