发明名称 Method for fastening buttons by welding and a device for making said method
摘要 A method of fastening buttons by welding whereby a fusing device is used upon an accumulation of button threads thereby to create a substantially smooth surface. A device for using the method includes a thermal mandrel which may have a cutting surface on its outer edge. Multiple mandrels may be used to simultaneously fuse multiple buttons.
申请公布号 US6375772(B1) 申请公布日期 2002.04.23
申请号 US19990423774 申请日期 1999.11.10
申请人 PETERSSON BENGT 发明人 PETERSSON BENGT
分类号 A41H37/00;A41H37/10;B29C65/02;(IPC1-7):B32B7/08;D05B3/12 主分类号 A41H37/00
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