Stretch wrapping film cut-off system
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Feb 21, 1997
filing date -
Feb 21, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a stretch wrapping system, the film is punctured about half way across its width to form a small hole which is expanded in the prestretch station and the film finally broken by abruptly increasing film tension at the end of a wrapping operation.
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