Method and apparatus for wrapping a folio ream of paper
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United States of America Patent
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Mar 22, 2016
Grant Date -
Sep 19, 2013
app pub date -
Mar 8, 2013
filing date -
Mar 16, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for wrapping a folio ream. The method comprises pre-creasing a wrap sheet and driving the ream into the wrap sheet toward a fold position. A bubble of wrap is formed in the wrap sheet, which is cut while the ream advances, such that a lower flap of the wrap sheet extends beyond the rear edge of the ream. An upper flap fold is formed on the rear edge of the ream, and glue is applied to the lower flap as it is held flat via a vacuum. The lower flap of the wrap sheet is then folded in an upward direction, while the vacuum simultaneously applies a force to an opposite side of the lower flap to keep it flat during folding. The ream is reversed to compress the glue between the lower and upper flaps, forming a rear edge seam on the folio ream.
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Cited Art Landscape
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