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    • 5. 发明申请
    • High density performance process
    • 高密度性能过程
    • US20070085241A1
    • 2007-04-19
    • US11251327
    • 2005-10-14
    • Christopher HusmannGregory Stein
    • Christopher HusmannGregory Stein
    • H05B6/00
    • B22F3/1055B29C64/153Y02P10/295
    • A manufacturing method is provided for enhancing density of a three-dimensional object defining at least one or more substantially flat surfaces. The method comprises the steps of: (a) applying a layer of powder at a target plane; (b) completely melting selected locations of the layer corresponding to a cross sectional slice of the object, the cross sectional slice defining a portion of the flat surface; and (c) repeating steps (a) and (b) to create successive layers to form the flat surface of the object in layerwise fashion, wherein at least one flat surface is oriented at an angle with respect to the target plane to mitigate against “burn through,” warping, and “swelling” of the object. The complete melting of the powder and the orientation of the flat surface tend to provide dimensional accuracy, homogenous microstructure, and enhanced strength characteristics for the object.
    • 提供一种用于增强限定至少一个或多个基本平坦表面的三维物体的密度的制造方法。 该方法包括以下步骤:(a)在目标平面上施加一层粉末; (b)完全熔化对应于物体的横截面切片的层的选定位置,横截面切片限定平坦表面的一部分; 和(c)重复步骤(a)和(b)以形成连续的层以分层形式形成物体的平坦表面,其中至少一个平坦表面相对于目标平面以一定角度定向以减轻“ 燃烧通过“,翘曲,和”膨胀“的对象。 粉末的完全熔化和平坦表面的取向倾向于为物体提供尺寸精度,均匀的微观结构和增强的强度特性。
    • 7. 发明申请
    • Ultrasonic Dental Tool Having a Light Source
    • 具有光源的超声牙科工具
    • US20090202961A1
    • 2009-08-13
    • US11840914
    • 2007-08-17
    • Pejman FaniTravis PhamGregory SteinBrian ZargariEric P. RoseSteven Ziemba
    • Pejman FaniTravis PhamGregory SteinBrian ZargariEric P. RoseSteven Ziemba
    • A61C3/03
    • A61C1/088A61C3/03A61C17/20
    • An ultrasonic dental insert having at least one light source. A first transducer generates ultrasonic vibrations. A connecting body has a proximal end and a distal end having a tip attached thereto. The proximal end is attached to the first transducer so as to receive the ultrasonic vibrations therefrom and to transmit the ultrasonic vibrations toward the tip attached to the distal end. A second transducer is disposed substantially proximate to the connecting body for generating a voltage signal in response to movement of a portion of the connecting body according to the ultrasonic vibrations. A magnetic material including a source of a magnetic field is present in close proximity to the insert. At least one light source substantially proximate or distal to the tip is connected to and receives the voltage signal from the second transducer to generate light. The ultrasonic dental insert may be inserted into a handpiece for providing electromagnetic energy to the first transducer to generate the ultrasonic vibrations.
    • 一种具有至少一个光源的超声牙科插入物。 第一传感器产生超声波振动。 连接体具有近端和具有附接到其上的尖端的远端。 近端附接到第一换能器以便从其接收超声波振动,并将超声波振动传递到附接到远端的尖端。 第二传感器基本上靠近连接体设置,用于响应于根据超声波振动的连接体的一部分的移动而产生电压信号。 包括磁场源的磁性材料靠近插入件存在。 基本上靠近或远离尖端的至少一个光源连接到并接收来自第二换能器的电压信号以产生光。 超声波牙插入件可以插入到手持件中,以向第一换能器提供电磁能以产生超声波振动。
    • 8. 发明申请
    • Ultrasonic Dental Tool
    • 超声牙科工具
    • US20080064006A1
    • 2008-03-13
    • US11840929
    • 2007-08-17
    • Christopher QuanPejman FaniGregory SteinTravis PhamBrian Zargari
    • Christopher QuanPejman FaniGregory SteinTravis PhamBrian Zargari
    • A61C1/07
    • A61C17/20A61C1/0015
    • The present invention relates to ultrasonic dental tools having an integral sheath and at least one light source adapted to utilize the electromagnetic energy already available in the existing ultrasonic dental unit. The handpiece includes a substantially hollow housing having a primary power source that may include a coil. In one aspect, the ultrasonic dental insert includes a sheath. The sheath may be formed such that it may cover at least part of the handpiece housing. In general, the sheath may serve as a barrier such that it may reduce cross-contamination to and from the patient's mouth. During operation, the primary coil of the handpiece may be inductively coupled to an illumination energy coil such that the illumination energy coil may draw energy from the electromagnetic field of the primary coil to power at least one light emitting element.
    • 本发明涉及具有整体护套的超声牙科工具和适于利用现有超声牙科单元中已经可获得的电磁能的至少一个光源。 手持件包括具有可以包括线圈的主电源的基本上中空的壳体。 一方面,超声牙科插入物包括护套。 护套可以形成为可以覆盖手机壳体的至少一部分。 通常,护套可以用作屏障,使得其可以减少与患者口部的交叉污染。 在操作期间,手持件的初级线圈可以感应地耦合到照明能量线圈,使得照明能量线圈可以从初级线圈的电磁场吸取能量以对至少一个发光元件供电。
    • 9. 发明申请
    • Method for joining parts fabricated via selective laser sintering while maintaining proper alignment
    • 用于连接通过选择性激光烧结制造的部件,同时保持适当对准的方法
    • US20070236018A1
    • 2007-10-11
    • US11220097
    • 2005-09-06
    • Christopher HusmannGregory Stein
    • Christopher HusmannGregory Stein
    • F16L21/00
    • F16L37/2445B33Y70/00B33Y80/00F16L37/252F24F13/0245
    • Mating air ducts may be joined to each other via an integrally formed protrusion on male air duct and an integrally formed groove on a female air duct for effecting linear and angular alignment of the mating air ducts. The integrally formed protrusion and groove may be formed on the air ducts via a process known as selective laser sintering or stereo lithography. Further, more than one groove and protrusion may be formed on the air ducts in an uneven manner such that the protrusions fit within the grooves in only one angular orientation. The protrusion may be a nub or a thread. Also, the groove may be a channel aligned to a central axis of the female air duct or a helical groove. The male air duct is linearly aligned and/or angularly aligned to the female air duct when the protrusion engages a distal portion of the groove or an abrupt change of the groove.
    • 接合空气管道可以通过阳空气管道上的整体形成的突起和阴空气管道上的整体形成的凹槽彼此接合,以实现配合空气管道的线性和角度对准。 整体形成的突起和凹槽可以通过称为选择性激光烧结或立体光刻的工艺形成在空气管道上。 此外,可以以不均匀的方式在空气管道上形成多于一个的凹槽和凸起,使得凸起仅以一个角度取向装配在凹槽内。 突出部可以是凸起或螺纹。 此外,槽可以是与阴空气管道的中心轴线或螺旋槽对准的通道。 当突出部接合凹槽的远端部分或槽的突然变化时,阳空气管道与阴空气管道线性对准和/或成角度地对准。