Process and apparatus for preventing hardening of glue on inactive bottle labeling machine
AssigneeJagenberg Werke AG
InventorsManfred Pfulb, Rudolf Zodrow
Life of this patent
Estimating the term…
Abstract
In the cleaning and keeping ready for use the labeling station of a labeling machine comprising a label box, a glue roll and a gripper cylinder as well as label pickup members rolling along the glue roll, wherein the glue is removed from the surface of the glue roll after the supply of glue to the glue roll has been shut off and with the machine idling, the improvement which comprises moisturizing the glue roll after the supply of glue has been shut off. An apparatus thereof is provided comprising a spray head associated with the glue roll or a pickup member. It may be used in conjunction with a bottle filling machine provided with sensors to actuate the spray head in response to the absence or backup of bottles to be filled.
Claims16
In the cleaning and keeping ready for use the labeling station of a labeling machine comprising a label box, a glue roll and a gripper cylinder as well as label pickup members rolling along the glue roll, wherein the glue is removed from the surface of the glue roll after the supply of glue to the glue roll has been shut off and with the machine idling, the improvement which comprises moisturizing the glue roll after the supply of glue has been shut off so as to keep the glue roll wet throughout idling.
In a labeling machine for objects such as bottles and comprising a main drive, conveying means for the objects, a revolving carrier having at least one label pickup member mounted thereon to rotate or oscillate, a gluing station, a label supply station and a label transfer station disposed about said carrier, the pickup member cooperating with the stations, the gluing station comprising a revolving glue roll, a deactivatable glue applicator and an engageable glue scraper adapted to be brought into operating position, a first spray head associated with the glue roll or with a pickup member, moisturizing means for delivering water or another medium to the spray head, and means for turning the spray head on and off so as to spray the cylinder surface of the glue roll or the pickup surface of the pickup member with water or other medium for moisturizing or diluting the glue on the receiving surface, the improvement which comprises an additional spray head for water or another medium for moisturizing or diluting the glue positioned adjacent the label transfer station, and additional means for turning the additional spray head on and off.
Dependencies are inferred from the claim text.