Apparatus and method for applying glue to cores
AssigneePaper Converting Machine Company
InventorsThomas J. Daul, Steve J. Jansen, Robert W. Zeratsky, Jr.
Life of this patent
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Abstract
A glue applicator for a web winding apparatus applies a longitudinals strip of glue to an elongated core. The stripe of glue may be applied by an elongated wire or bar, by a rotation roller, or by a sprayer. The glued core is moved by a core inserter into position for insertion into the winding apparatus so that the stripe of glue is upstream of the web and in position to contact the web at the start of a new winding cycle. A web pinch pad on the core inserter contacts the web and servers the web at the start of the winding cycle.
Claims15
A winding apparatus for winding a web on an elongated core comprising:
- a frame,
- a first winding roll rotatably mounted on the frame,
- a second winding roll rotatably mounted on the frame and spaced from the first roll,
- means on the frame for supplying an elongated moving web from an upstream direction to a downstream direction and into contact with the first roll,
- a web pinching surface mounted on the frame adjacent the first roll and upstream of the first roll,
- a core inserter rotatably mounted on the frame, the core inserter including a core-holding portion and a web pinching portion,
- means for supplying elongated cores,
- means for moving a core from said core supplying means to the core holding portion of the core inserter,
- means for applying a longitudinally extending stripe of glue on a core after the core is moved from the core supplying means,
- the core inserter being rotatable between a first position in which the core holding portion is adjacent the core moving means and a second position in which the core holding portion is adjacent the first winding roll and the web pinching portion is engageable with the web pinching surface for pinching the web against the web pinching surface and thereby severing the web.
A method of winding a web on an elongated cylindrical core comprising:
- ROTATING a winding roll having an outer surface,
- feeding a web from an upstream direction to a downstream direction and into contact with the rotating winding roll so that the web moves with the outer surface of the winding roll,
- moving a core to a glue-applying position,
- applying a longitudinally extending stripe of glue on the core,
- moving the glued core to an insertion position adjacent the outer surface of the winding roll,
- severing the web downstream from the glued core,
- moving the glued core into contact with the web on the rotating winding roll so that the core begins to rotate and the web adheres to the stripe of glue.
Dependencies are inferred from the claim text.