| 发明名称 |
Method and apparatus for forming elongate ptfe material and ptfe material particularly, dental floss |
| 摘要 |
<p>A dental floss comprises or consists of an integral PTFE tape. At the opposite faces of said tape the respective coefficients of friction are different, e.g. due to different degrees of sintering.</p> |
| 申请公布号 |
EP0862900(A2) |
申请公布日期 |
1998.09.09 |
| 申请号 |
EP19980107612 |
申请日期 |
1995.10.02 |
| 申请人 |
WESTONE PRODUCTS LIMITED |
发明人 |
BLASS, JACOB MOSES;MURRAY, JOHN |
| 分类号 |
B29K27/18;A61C15/04;B29C35/02;B29C55/02;B29C55/06;B29L7/00;(IPC1-7):A61C15/04 |
主分类号 |
B29K27/18 |
| 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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