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.
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
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