发明名称 |
Winding or rewinding film |
摘要 |
A method and apparatus for winding or rewinding a film wherein a pressurized jet of air is directed onto a surface of an unsupported portion of the film being wound or rewound. The air jet is elongated transversely of the length of said film. Simultaneously with the application of the air jet to the film the air impinging on the surface of the film is collected by suction.
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申请公布号 |
US4050642(A) |
申请公布日期 |
1977.09.27 |
申请号 |
US19750620916 |
申请日期 |
1975.10.08 |
申请人 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
发明人 |
KATSUMATA, TAKUMA;KATO, KOJI;KISHIGAMI, HISAO;KURODA, NORIYASU |
分类号 |
B65H20/10;B65H20/32;B65H23/24;(IPC1-7):B65H75/02;B65H23/16 |
主分类号 |
B65H20/10 |
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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