发明名称 |
Winding apparatus and method |
摘要 |
A winding apparatus for positioning a leading end of a film layer with high precision. The film is loaded at a position away from a winding position for winding the film around a bobbin and the leading end of the film is brought into contact with the bobbin by using a retainer. At the same time, to control the length of the film to be wound to improve reproducibility of the shape of a transformer, a drag chuck is provided, and the drag chuck is controlled through a servo control.
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申请公布号 |
US5806781(A) |
申请公布日期 |
1998.09.15 |
申请号 |
US19970824034 |
申请日期 |
1997.03.26 |
申请人 |
SONY CORPORATION |
发明人 |
UJITA, MINORU;KAKIUCHI, TAKAFUMI;OTSUKA, MASAHIRO;NAKAMURA, TAKAYUKI |
分类号 |
G01R31/06;H01F41/06;H01F41/12;H01S3/00;(IPC1-7):B21C47/02;B65H81/06 |
主分类号 |
G01R31/06 |
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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