Bulk Materials Bag Having Anti-Skid Treatment and Method of Applying Treatment
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Aug 5, 2013
filing date -
Aug 5, 2013
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Abstract
An anti-skid treatment is applied to one or both major surfaces of bulk materials bags. The treatment may be applied to any bulk material bag, but is detailed in respect of films that tend to be relatively slippery, such as oriented polypropylene (“OPP”) and biaxially oriented polypropylene (“BOPP”). In one preferred embodiment, an elastomeric polymer having a coefficient of friction higher than that of the bag material is applied in strips to one or both surfaces of the bag. A method of manufacturing the bags is also described.
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