Apparatus for glueing the tail of logs of web material

Details Apparatus for glueing the tail of logs of web material Apparatus for glueing the tail of logs of web material

1992-10-28

1993-09-07

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156361, 156446, 156455, 156184, 156578, 156456, 156450, 242 56R, 242 66, B05B 100, B65H 2700, B65H 8100

Patent

active

052425258

ABSTRACT:
The glueing apparatus includes a pair of endless conveyor members (13, 15) whose active branches (13A, 15A) are parallel, with one superimposed above the other and spaced apart to an extent corresponding to the diameter of the rolls or logs (R) and moving in the same direction whereby to move the log forward. The upper active branch (15A) extends further than the lower active branch (13A). Unwind mechanism (31) for unwinding the tail (L) of the material of the log (R) is located upstream of the lower endless conveyor member (13) and controlled by an optical sensor which checks the length of said tail. Downstream of the lower endless conveyor member (13) a glue dispenser (58) dispenses glue from below onto the outer surface of the log. A subsequent rewinding station (R) is located downstream of the lower continuous conveyor member (13).

REFERENCES:
patent: 3044532 (1962-07-01), Ghisoni
patent: 3134706 (1964-05-01), Alexander
patent: 3393105 (1968-07-01), Tellier
patent: 3440116 (1969-04-01), Whitecar
patent: 3533055 (1971-01-01), Janik
patent: 4299642 (1981-10-01), Berkholtz
patent: 4475974 (1984-10-01), Perini
patent: 4693766 (1987-09-01), Stauffer
patent: 4931130 (1990-06-01), Biagiotti
patent: 5045140 (1991-09-01), Dickey
patent: 5137225 (1992-08-01), Biagiotti

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