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.
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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 |
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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