Invention Grant
US09132956B2 Cling wrap 有权
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Cling wrap
Abstract:
A thermoplastic food wrap film including a plurality of parallel ribs formed therein. To produce the film, a thermoplastic web may be directed between opposing first and second rollers having ridges. The formation of the ribs may increase the width of the web. The film may be formed into a roll and inserted into a box having a cutting strip.
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