发明名称 |
METHODS FOR MANUFACTURING ENDODONTIC INSTRUMENTS |
摘要 |
A method of manufacturing endodontic files involves a chemical milling process to yield endodontic files having a desired taper and/or degree of sharpness. The process involves the steps of (a) forming helical cutting edges in the cutting portion of the metallic rod; and (b) chemically milling the cutting portion of the rod so as to sharpen and/or taper the cutting portion. The rod may be formed of any desirable metallic material, for example stainless steel or a nickel-titanium alloy. The cutting edges may be formed by torsioning, cutting, grinding, machining, laser micromachining, or grit blasting. |
申请公布号 |
EP1827731(A4) |
申请公布日期 |
2011.01.19 |
申请号 |
EP20050849691 |
申请日期 |
2005.11.14 |
申请人 |
ULTRADENT PRODUCTS, INC. |
发明人 |
LEWIS, PAUL;HOBSON, BARRY, L.;FISCHER, DAN, E. |
分类号 |
B21F43/00;A61C5/02;B21F99/00;B23P15/32;C23F1/06 |
主分类号 |
B21F43/00 |
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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