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    • 2. 发明申请
    • METHODS FOR MANUFACTURING ENDODONTIC INSTRUMENTS
    • 制造内窥镜仪器的方法
    • WO2006091751A2
    • 2006-08-31
    • PCT/US2006006479
    • 2006-02-23
    • ULTRADENT PRODUCTS INCLEWIS PAULNIELSEN JOHN
    • LEWIS PAULNIELSEN JOHN
    • B21F43/00A61C5/02
    • C23F1/04A61C5/42B21C3/04B21F7/00B21H3/02B21H3/06B21J9/06B23H9/00Y10T29/49567Y10T29/49568Y10T409/300504Y10T409/307168
    • Endodontic instruments having a desired cutting edge are formed, at least in part, using a cold forming process. The method of forming the endodontic instrument (32) includes providing a blank metal thread or wire and a roll forming apparatus (30) that include dies (34a, 34b) having a negative impression of a cutting edge. The dies (34a, 34b) are pressed against the blank (32) with sufficient force in order for the dies (34a, 34b) to at least partially form the cutting edge in the blank (32). Any desired shape can be formed into the blank (32) by selecting a die with the proper corresponding negative impression. Cold forming techniques suitable for forming endodontic instruments include roll forming, flat rolling, radial forming, cold drawing, and similar techniques. The files can be sharpened or otherwise modified before or after cold-forming using techniques such as cutting, grinding, and chemical milling.
    • 至少部分地使用冷成型工艺形成具有所需切削刃的牙髓器具。 形成牙根用器具(32)的方法包括提供坯料金属线或线材,以及包括具有切削刃的消极印模的模具(34a,34b)的辊成形设备(30)。 模具(34a,34b)以足够的力压靠在坯件(32)上,以使模具(34a,34b)至少部分地形成坯料(32)中的切割边缘。 可以通过选择具有适当的相应负面印象的模具,将任何所需的形状形成为坯件(32)。 适合于形成牙髓治疗仪器的冷成形技术包括辊压成型,平轧,径向成形,冷拔和类似技术。 使用诸如切割,研磨和化学研磨之类的技术,在冷成形之前或之后,可以对这些文件进行削尖或改进。
    • 3. 发明申请
    • VIBRATION LOGGER
    • 振动记录仪
    • WO2011131941A3
    • 2012-12-06
    • PCT/GB2011000618
    • 2011-04-20
    • CRANFIELD AEROSPACE LTDCHARLES DARRELLEWIS PAUL
    • CHARLES DARRELLEWIS PAUL
    • G01H1/12
    • G01H1/12
    • A vibration logger for logging air carriage vibration, being self-contained and requiring no external power or control connections when fitted to an aircraft for vibration logging, and comprising a case which includes a connector for connection to at least one sensor external to the case and circuitry which is potted within the case and operative to log carriage vibration sensed by at least one sensor when connected to the connector, wherein the circuitry comprises memory for storing vibration data, a processor which processes an output from the at least one sensor and provides for sampling of data in accordance with a predetermined sampling protocol and writing of the sampled data to the memory, and an power source for powering the circuitry.
    • 一种振动记录器,用于记录气体运动的振动,独立的,并且在安装到飞机上用于振动测井时不需要外部动力或控制连接,并且包括壳体,该壳体包括用于连接到壳体外部的至少一个传感器的连接器, 电路,其被封装在壳体内并用于在连接到连接器时记录由至少一个传感器感测到的托架振动,其中电路包括用于存储振动数据的存储器,处理器,其处理来自至少一个传感器的输出并提供 根据预定采样协议对数据进行采样并将采样数据写入存储器,以及为电路供电的电源。
    • 6. 发明申请
    • METHODS FOR MANUFACTURING ENDODONTIC INSTRUMENTS
    • 制造内窥镜仪器的方法
    • WO2006055539A3
    • 2006-07-27
    • PCT/US2005041312
    • 2005-11-14
    • ULTRADENT PRODUCTS INCLEWIS PAULHOBSON BARRY LFISCHER DAN E
    • LEWIS PAULHOBSON BARRY LFISCHER DAN E
    • B21F43/00A61C5/02A61C5/10B21F99/00B23P15/32
    • B23H9/08A61C5/42B23P15/32C23F1/04C23F1/06C25F3/00Y10T29/49567
    • A method of manufacturing endodontic files (10) involves a chemical milling process to yield endodontic files having a desired degree of sharpness. The chemical milling process forms a tapered portion (18) of the endodontic file (10). The process involves the steps of (a) forming helical cutting edges in the cutting portion of the metallic rod (12) and (b) chemically milling the cutting portion (18) of the rod (12) so as to at least sharpen and optionally taper the cutting portion (18). The rod (12) 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. Chemical milling can also remove cracks or microfissures, yielding more contiguous cutting edges that better resist cracking or breakage.
    • 一种制造牙根管文件(10)的方法包括化学研磨过程以产生具有期望程度的清晰度的根管文件。 化学研磨过程形成牙根管锉(10)的锥形部分(18)。 该方法包括以下步骤:(a)在金属杆(12)的切割部分中形成螺旋切割边缘,和(b)化学研磨棒(12)的切割部分(18),以便至少锐化和任选地 使切割部分(18)变细。 杆(12)可以由任何期望的金属材料形成,例如不锈钢或镍钛合金。 切割边缘可以通过扭转,切割,研磨,机械加工,激光微加工或喷砂处理形成。 化学研磨还可以去除裂缝或微裂缝,产生更多的连续的切割边缘,更好地抵抗裂纹或断裂。