发明名称 Winding core and associated method
摘要 A winding core, a winding core assembly for winding web materials, and a method are provided. The winding core includes a hollow cylindrical core member having an inner surface, an outer surface, and first and second ends. A chuck-engaging layer is located on the inner surface of the core member, wherein the chuck-engaging layer is softer than the core member.
申请公布号 US7204451(B2) 申请公布日期 2007.04.17
申请号 US20040786949 申请日期 2004.02.25
申请人 SONOCO DEVELOPMENT, INC. 发明人 VAN DE CAMP WIM
分类号 B65H75/14;B65H18/02;B65H75/10;B65H75/30 主分类号 B65H75/14
代理机构 代理人
主权项
地址