Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1995-10-13
1997-07-22
Engel, James
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
156542, 156566, 156567, B44C 1165, B65C 904, B65C 918, B65C 930
Patent
active
056500378
ABSTRACT:
In a thermal ink transfer machine, the web is drawn translationally through a station at which thermal ink graphics are transferred from the web to the periphery of a container such as a glass or plastic bottle or can. Transfer of the graphics is effected with a transfer head or cylinder which has arranged about its axis of rotation a plurality of equally spaced apart radially spring biased rollers. When the longitudinally extending graphics on the web enters the transfer station, the spring biased rollers yield radially inwardly and outwardly to press against the backside of the web to effect transfer of the graphics. The apparatus has the rotating transfer head on one side of the web and the containers carried on a turntable on the opposite side of the web. The transfer head rotates in a particular direction around its vertical axis and drives the rollers orbitally toward and away from the graphics transfer station. The containers are supported on rotationally driven disks that are equally spaced apart on the turntable and bring the periphery of the containers into alignment with one of the spring biased rollers when graphics transfer is initiated where the leading end of the graphics make first contact with the container. The containers rotate in a direction opposite from the direction in which the turntable rotates. Thus the periphery of a container when in the transfer station moves in the same direction as the web. Means are provided for feeding web from an unwind reel to the transfer station and from the transfer station to a rewind reel. Means are also provided for maintaining equality in the length of web extending from the unwind reel to the transfer station and from the transfer station to the rewind reel. Means are also provided for maintaining constant tension in the web.
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Engel James
Krones, Inc.
Lorengo J. A.
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