A METHOD AND A MACHINE FOR PRODUCING A CARDBOARD STRIP FOR PACKAGING FROM A FIRST PLURALITY OF CARDBOARD SHEETS FOR PACKAGING WHICH ARE CYCLICALLY UNITED TO ONE ANOTHER
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United States of America Patent
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Issued Date -
Aug 8, 2019
app pub date -
Oct 18, 2017
filing date -
Oct 18, 2017
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Abstract
A method for producing a cardboard strip for packaging from a first plurality of cardboard sheets for packaging which are cyclically united to one another. The method includes providing a first plurality of cardboard sheets each having a first perimeter portion extending along a first flank of the cardboard sheet and a second perimeter portion extending along the second flank of the cardboard sheet and further includes reducing the thickness of first perimeter portion and the second perimeter portion of a given cardboard sheet. The given cardboard sheet and another cardboard sheet are approximated to one another, so that the second perimeter portion of the given cardboard sheet and the first perimeter portion of the other cardboard sheet, of reduced thickness from a preceding cycle, are mutually superposed. The second perimeter portion of the given cardboard sheet and the first perimeter portion of the other cardboard sheet are affixed to one another.
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