发明名称 |
Stackable winding core and method of making same |
摘要 |
A stackable winding core in accordance with the invention has a male end and an opposite female end. The ends are configured in such a manner that they do not hinder or prevent the insertion of chucks or mandrels into the core for winding or unwinding of web material about the core. The male end of one core is receivable into the female end of another core so that the cores can be axially stacked end-to-end, the engagement between the ends of the cores keeping the core coaxially aligned with each other. The ends are also configured to support axial loads exerted between the cores.
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申请公布号 |
US7121500(B2) |
申请公布日期 |
2006.10.17 |
申请号 |
US20040796478 |
申请日期 |
2004.03.09 |
申请人 |
SONOCO DEVELOPMENT, INC. |
发明人 |
ADAMS ANGELA;BELLUM CLIFFORD A.;VAN DE CAMP WIM |
分类号 |
B65H75/14;B31C3/00;B31C11/02;B31C99/00;B65H75/10;B65H75/50 |
主分类号 |
B65H75/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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