| 发明名称 |
YARN WINDING BOBBIN |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a yarn winding bobbin capable of eliminating a phenomenon that a package can not be ejected due to tight winding. SOLUTION: A hollow part is formed between an inner layer and an outer layer of the yarn winding bobbin.
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| 申请公布号 |
JP2003081537(A) |
申请公布日期 |
2003.03.19 |
| 申请号 |
JP20010281396 |
申请日期 |
2001.09.17 |
| 申请人 |
TORAY IND INC |
发明人 |
IWASAKI KEIJI;HAYASHI TOSHIHIRO;OKUMURA KOZO |
| 分类号 |
B65H75/22;B65H75/10;B65H75/28;(IPC1-7):B65H75/22 |
主分类号 |
B65H75/22 |
| 代理机构 |
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代理人 |
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