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    • 4. 发明专利
    • Manufacturing method of endodontic instrument
    • 内镜仪器的制造方法
    • JP2003310640A
    • 2003-11-05
    • JP2003112278
    • 2003-04-17
    • Ormco Corpオルムコ コーポレイション
    • ALOISE CARLOSGARMAN GARY
    • A61C5/02B21F7/00B21F99/00B21K5/04B23H9/00B23P15/00C21D8/06C22F1/00
    • B21F99/00A61C5/42B21F7/00B21F45/008B21K5/04B23H7/12B23H9/00B23P15/00C21D8/065C21D2201/01C22F1/006Y10T29/49567Y10T29/49568
    • PROBLEM TO BE SOLVED: To improve a method for manufacture of an endodontic instrument 10 such as a file or a reamer having a helical flute 24 or a non-helical flute 26 from a superelastic material. SOLUTION: In the method for forming the endodontic instrument 10 having the helical flute, an instrument blank 23 of the superelastic material is brought to a particular annealed state before twisting, it is twisted at a low temperature to a final configuration, and then it is heat-treated and rapidly quenched to a superelastic condition. In a method for manufacture of the endodontic instrument having the helical flute or non-helical flute having a hard surface and a resilient cutting edge, a desired flute pattern is formed on the instrument blank by using an EDM or ECM process. A portion of a material removed from the surface re-deposits onto the surface being machined to form a recast layer having a surface hardness that is higher than the instrument blank material. Or the instrument blank can be twisted at a low temperature after forming it by the EDM or ECM process. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:改进用于制造具有螺旋形凹槽24或非螺旋形凹槽26的超声弹性材料的牙髓或扩孔器的牙髓根管器具10的方法。 解决方案:在用于形成具有螺旋槽的牙根管器械10的方法中,超弹性材料的仪器坯料23在扭曲之前被带到特定的退火状态,其在低温下扭曲到最终构型,并且 然后将其热处理并快速淬火至超弹性状态。 在用于制造具有硬表面和弹性切割边缘的螺旋槽或非螺旋槽的牙根管器械的方法中,通过使用EDM或ECM方法在仪器坯体上形成期望的槽纹图案。 从表面去除的材料的一部分重新沉积到被加工的表面上以形成表面硬度高于仪器坯料的重铸层。 或者在通过EDM或ECM过程成型之后,仪器空白可以在低温下扭曲。 版权所有(C)2004,JPO
    • 8. 发明专利
    • Electric discharge machining device using rotating circular blade
    • 电动放料加工设备使用旋转圆形刀片
    • JP2010274411A
    • 2010-12-09
    • JP2010115946
    • 2010-05-20
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • LUO YUEFENGADIS WILLIAM E
    • B23H7/12B23H1/00
    • B23H7/12B23H9/10
    • PROBLEM TO BE SOLVED: To provide an EDM (Electric Discharge Machining) device using a rotating circular blade.
      SOLUTION: An electric discharge machining (EDM) device (100) includes: a circular blade (102); a motor (104) coupled to the circular blade (102) for rotating the circular blade (102); and an electric discharge control system (106) operatively coupled to the circular blade (102) and a workpiece (110). The electric discharge control system (106) causes the rotating circular blade (102) to cut the workpiece (110) using electric discharge machining. The device (100) allows removal of large chunks of material using EDM, minimizing the number of cuts, time and energy required to manufacture a part.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供使用旋转圆形刀片的​​EDM(放电加工)装置。 解决方案:放电加工(EDM)装置(100)包括:圆形刀片(102); 耦合到所述圆形刀片(102)以旋转所述圆形刀片(102)的马达(104); 以及可操作地联接到所述圆形刀片(102)和工件(110)的放电控制系统(106)。 放电控制系统(106)使得旋转的圆形刀片(102)使用放电加工来切割工件(110)。 设备(100)允许使用EDM去除大块材料,从而最小化制造零件所需的切割次数,时间和能量。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Method of manufacturing endodontic instruments
    • 空值
    • JP4524079B2
    • 2010-08-11
    • JP2003112278
    • 2003-04-17
    • オルムコ コーポレイション
    • カーロス、アロイスガーマン ゲイリー
    • A61C5/02B21F7/00B21F99/00B21K5/04B23H9/00B23P15/00C21D8/06C22F1/00
    • B21F99/00A61C5/42B21F7/00B21F45/008B21K5/04B23H7/12B23H9/00B23P15/00C21D8/065C21D2201/01C22F1/006Y10T29/49567Y10T29/49568
    • Method for manufacturing endodontic instruments (10, 11) having either helical (24) or non-helical (26) flutes. A method is provided for forming superelastic endodontic instruments (10) having helical flutes (24), wherein a wire of superelastic material is formed into an instrument blank (23), and before twisting, the superelastic alloy is brought to an annealed state comprising a phase structure including a rhombohedral phase alone or in combination with austenite and/or martensite, or a combination of martensite and austenite. In this annealed state, the instrument blank (23) is twisted at low temperature, for example less than about 100 DEG C, and advantageously at ambient temperature to the final desired twisted configuration. The twisted instrument (10, 11) is then heat treated and rapidly quenched to a superelastic condition. A method is further provided for manufacturing endodontic instruments having either helical (24) or non-helical (26) flutes with hard surfaces and resilient cutting edges by either an EDM or ECM process, wherein material is removed from the instrument blank (23) in the desired flute pattern. The EDM or ECM process disintegrates the surface material, and as it cools, at least a portion of the removed material re-deposits onto the surface being machined to form a recast layer having a surface hardness that is at least about 15% greater than the hardness of the material forming the instrument blank (23). A method is further provided in which an EDM or ECM process is used to form an instrument blank (23), followed by twisting at low temperature.
    • 用于制造具有螺旋形(24)或非螺旋形(26)凹槽的牙髓器械(10,11)的方法。 提供了一种用于形成具有螺旋槽纹(24)的超弹性牙髓治疗仪器(10)的方法,其中超弹性材料的丝线形成为仪器坯料(23),并且在扭曲之前,使超弹性合金进入退火状态,包括 包括单独的或与奥氏体和/或马氏体组合的菱方相,或马氏体和奥氏体的组合。 在该退火状态下,仪器坯料(23)在低温下扭曲,例如小于约100℃,有利地在环境温度下扭转到最终期望的扭曲构型。 然后将扭曲的仪器(10,11)进行热处理并迅速淬火至超弹性状态。 进一步提供一种用于通过EDM或ECM工艺制造具有螺旋形(24)或非螺旋形(26)带硬质表面和弹性切割边缘的牙髓矫正器具的方法,其中将材料从仪器坯件(23)中移除 所需的长笛图案。 EDM或ECM过程使表面材料崩解,并且在其冷却时,至少一部分被去除的材料重新沉积到被加工的表面上以形成重铸层,该重铸层的表面硬度大于 形成仪器坯料的材料的硬度(23)。 还提供了一种方法,其中使用EDM或ECM工艺来形成仪器坯料(23),然后在低温下扭曲。