发明名称 Cling film roll having a nodulose leading edge portion and the method and apparatus for producing it
摘要 A method and apparatus for producing a novel cling film roll having a nodulose leading edge portion composed of a plurality of surface disturbances consisting of small stretched area projections obtained by compressing the film between a nodulose surface, such as sandpaper or emery cloth, and a yieldable support surface.
申请公布号 US4029264(A) 申请公布日期 1977.06.14
申请号 US19760682533 申请日期 1976.05.03
申请人 UNION CARBIDE CORPORATION 发明人 REESE, RONALD GRIFFITH
分类号 B65H75/00;(IPC1-7):B65H81/00 主分类号 B65H75/00
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