发明名称 A core covering for winding rolls of film and paper.
摘要 <p>The present invention concerns a core for winding deformable web materials such as film or paper. The core includes a cylindrical surface (10) with an outer covering of a microcellular polyurethane foam (12). &lt;IMAGE&gt;</p>
申请公布号 EP0613849(A1) 申请公布日期 1994.09.07
申请号 EP19940420060 申请日期 1994.02.21
申请人 EASTMAN KODAK COMPANY 发明人 WHEELER, CHRISTOPHER E., C/O EASTMAN KODAK COMPANY;HAKIEL, ZBIGNIEW, C/O EASTMAN KODAK COMPANY;HOY, ALLAN THOMAS, C/O EASTMAN KODAK COMPANY
分类号 B65H75/10;B31C3/00;B65H75/18;(IPC1-7):B65H75/00 主分类号 B65H75/10
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