发明名称 METHODS AND APPARATUS FOR PRODUCING STRETCH FILMS WITH IMPROVED PROTECTION FROM TEAR PROPAGATION
摘要 <p>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.</p>
申请公布号 WO2014179555(A1) 申请公布日期 2014.11.06
申请号 WO2014US36345 申请日期 2014.05.01
申请人 PARAGON FILMS, INC. 发明人 PIRTLE, SHAUN, EUGENE
分类号 B65H45/22 主分类号 B65H45/22
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