发明名称 |
IMPROVED DENTAL FLOSS HAVING LOW DENSITY AND METHOD OF MAKING SAME |
摘要 |
<p>A dental floss comprising a porous PTFE fiber having a density of less than about 0.7g/cc. The inventive floss is abrasion resistan t, grippable and has a soft feel to the hands and a rough feel in the mouth. Th e floss is made by an extrusion process with non-contact heating during sub-sequent expansion with amorphous locking.</p> |
申请公布号 |
CA2380073(C) |
申请公布日期 |
2008.04.15 |
申请号 |
CA20002380073 |
申请日期 |
2000.08.31 |
申请人 |
GORE ENTERPRISE HOLDINGS, INC. |
发明人 |
WILEY, WILLIAM HAMMOND;DOLAN, JOHN W.;CHASTAIN, JAMES H.;BAILLIE, RICHARD L. |
分类号 |
D01F6/12;A61C15/04;D01F6/04;D02G3/04;D06M13/02 |
主分类号 |
D01F6/12 |
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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