发明名称 |
ULTRASONIC FILM SPLICING METHOD |
摘要 |
A method and apparatus for splicing two lengths of film by placing over the ends of said lengths a tape having a coating comprising a thermoplastic resin, and applying ultrasonic energy simultaneously to the overlapping portions. The apparatus includes trimming knives, and a gap to receive the knives where they will be out of the way of the ultrasonic horn.
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申请公布号 |
US3661667(A) |
申请公布日期 |
1972.05.09 |
申请号 |
USD3661667 |
申请日期 |
1968.12.23 |
申请人 |
EASTMAN KODAK CO. |
发明人 |
RAY E. GARDNER;WILLIAM W. VOELCKERS;GEORGE T. NEGUS |
分类号 |
B29C65/00;B29C65/08;B29C65/50;(IPC1-7):B29C27/08 |
主分类号 |
B29C65/00 |
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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