| 发明名称 |
WINDING CORE AND ROLL |
| 摘要 |
Provided is a winding core which has a cylindrical shape and on which an adhesive tape, formed by an adhesive layer formed on an elongated base film in the longitudinal direction of the base film, is wound as multiple layers, wherein the outer diameter of the winding core is a dimension in which a deviation amount of the adhesive layer in the circumferential direction of the winding core between adjacent inner and outer tape portions of the adhesive tape in the radial direction of the winding core becomes 55 mm or less when the adhesive tape is wound on the winding core. |
| 申请公布号 |
US2015129706(A1) |
申请公布日期 |
2015.05.14 |
| 申请号 |
US201314403588 |
申请日期 |
2013.05.24 |
| 申请人 |
HITACHI CHEMICAL COMPANY, LTD. |
发明人 |
Kodama Megumi;Tokuyasu Takahiro;Sugai Shouta |
| 分类号 |
B65H75/10;C09J7/02 |
主分类号 |
B65H75/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A winding core which has a cylindrical shape and on which an adhesive tape, formed by an adhesive layer formed on an elongated base film in the longitudinal direction of the base film, is wound as multiple layers,
wherein the outer diameter of the winding core is a dimension in which a deviation amount of the adhesive layer in the circumferential direction of the winding core between adjacent inner and outer tape portions of the adhesive tape in the radial direction of the winding core becomes 55 mm or less when the adhesive tape is wound on the winding core. |
| 地址 |
Tokyo JP |
