Manufacturing container or tube from paper; or other manufacturi – With printing or photographic reproduction – And cutting – breaking – tearing – or abrading
Patent
1997-06-23
1998-10-06
Carone, Michael J.
Manufacturing container or tube from paper; or other manufacturi
With printing or photographic reproduction
And cutting, breaking, tearing, or abrading
493 55, 493 60, 493 64, 493321, 493 8, 493370, 493 10, 101184, B31B 188
Patent
active
058169946
ABSTRACT:
A box blank forming apparatus includes at least one printing assembly, a slotting assembly, and a feeding and conveying mechanism for feeding blanks through the apparatus. The printing assembly includes a rotatable printing cylinder, and the slotting assembly includes a rotatable blade. The feeding and conveying mechanism brings the blanks into contact with the printing cylinder and the slotter blade to complete printing and slotting operations on the blanks in the formation of boxes. An interrupter is provided in association with the printing assembly for removing the blanks from contact with the printing cylinder, and similar structure can also be provided with the slotting assembly for removing the blanks from contact with the slotter blade. A controller is provided for controlling operation of the interrupter of the printing assembly. The controller actuates the interrupter to bring each blank into contact with the printing cylinder only while a single impression is made on the blank, and to remove each blank from contact with the printing cylinder before and after the single impression is made. Thus, it is possible to use a single printing cylinder of fixed circumference to print on blanks of variable length, even when the blanks are longer than the printing cylinder circumference. The controller may be used to also actuate the interrupter structure of the slotter wheel assembly to bring each blanks into contact with the slotting blade only while a single slotting operation is carried out by the slotting blade, and to remove each blank from contact with the slotting blade before and after the single slotting operation is made. This allows the slotter wheel assembly to also accommodate box blanks of various sizes.
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Hill Alan M.
Meeks William R.
Ark Darren
Carone Michael J.
Lawrence Paper Company
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