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). <IMAGE></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