发明名称 |
Method and apparatus for folding and fusing the elements of a slide fastener string |
摘要 |
An apparatus for folding the coupling elements of a slide fastener string includes a pair of electrodes connected to a source of high frequency electromagnetic energy and a series of guide sections. The string is drawn through the guides and the coupling elements are heated and softened by the electromagnetic field and folded by the guides.
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申请公布号 |
US4025277(A) |
申请公布日期 |
1977.05.24 |
申请号 |
US19760699210 |
申请日期 |
1976.06.23 |
申请人 |
TEXTRON, INC. |
发明人 |
MONROE, LAWRENCE S. |
分类号 |
A44B19/14;B29C61/00;B29C65/00;B29C67/00;B29D5/00;(IPC1-7):B29C17/00;B29C15/00 |
主分类号 |
A44B19/14 |
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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