Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1981-09-08
1982-12-28
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
156361, 156363, 156584, B44C 100
Patent
active
043660231
ABSTRACT:
The mechanism comprises a pressure sensitive label dispenser for delivering successively pressure sensitive labels from a backing sheet to a label applying station. At the applying station is a mouthpiece having one longitudinal side edge arranged to be transversely disposed across the path of feed of the backing strip and having a lower perforated label carrying surface of less width than the label to be carried thereby. Mounted on the other longitudinal side edge of the mouthpiece is an applying roll. The mouthpiece forms a part of a unit which is fastened to the label dispenser so that a label discharged therefrom moves across the label carrying surface and comes to rest with its advancing edge portion positioned beneath the applying roll. A tubular shaft which also communicates with the mouthpiece to provide suction at its label carrying surface supports the mouthpiece for pivotal movement about its one longitudinal side edge. The shaft has affixed thereto a straight lever, to one arm of which, is connected a solenoid which is energized by electronic means actuated by register marks on a rapidly moving web or by objects carried by a rapidly moving conveyor to pivot the mouthpiece down to cause the applying roll to press the advancing edge portion of the label into adhered relation on an article area moving rapidly beneath the applying station. Means are connected to the other arm of the straight lever to restore the mouthpiece to its label securing position as soon as the label has been applied to the rapidly moving label area. Means are provided to stop the advancement of the backing sheet each time a label is delivered to the applying station. The electronic means for actuating the mouthpiece and its applying roll to apply a label to an article area also restarts the advancement of the backing label so that a succeeding label is fed to the mouthpiece as the previously held label is being stripped therefrom. The unit comprising the mouthpiece, the applying roller, means for pivoting the same to apply a label and means for restoring the mouthpiece for normal label receiving position can be installed in any high speed pressure sensitive label dispenser that can maintain accurate step-by-step movement. Such a dispenser however would need to be modified to practice the purposes of this invention.
REFERENCES:
patent: 3682743 (1972-08-01), Cleary et al.
patent: 3997384 (1976-12-01), Kuring
patent: 4276112 (1981-06-01), French et al.
Hart John J.
NJM Inc.
Simmons David A.
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