Methods and Apparatus for Producing Stretch Films with Improved Protection From Tear Propagation
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United States of America Patent
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N/A
Issued Date -
Nov 6, 2014
app pub date -
May 1, 2014
filing date -
May 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method of folding an interior section of film in-process includes at least the following steps: separating an idler roll and a rolling assembly; positioning an interior web folding assembly between the idler roll and the rolling assembly; passing a film web from the idler roll to the interior web folding assembly; initiating at least one interior fold in the film web using the interior web folding assembly; passing the film web from the interior web folding assembly to the rolling assembly; and passing the film web beyond the rolling assembly, compressing the film web, and completing the at least one interior fold. An apparatus for folding an interior section of film includes at least: an idler roll separated from a rolling assembly; and an interior web folding assembly positioned between the idler roll and the rolling assembly.
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