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    • 3. 发明申请
    • Spider die
    • 蜘蛛死
    • US20090269715A1
    • 2009-10-29
    • US12311150
    • 2007-07-06
    • Peter Sprenger
    • Peter Sprenger
    • A61C13/265
    • A61C13/2656A61C13/275
    • For a resilient mounting of a spider die onto a dental prosthetic suprastructure on a male spider mold, at least one retention element is molded onto a sleeve, and the retention element has a substantially occlusal alignment. The at least one retention element extends across the entire length of the sleeve and has a head having a connecting neck in its cross-section. In this manner, retention undercuts are formed on both sides of the connecting neck. The connecting neck of the at least one retention element is molded at an offset as opposed to the crown line of the sleeve. A spider die is thus created, which has an improved retention with an increased retention force at a smaller installation height.
    • 为了将蜘蛛模具弹性地安装在雄性蜘蛛模具上的牙科假肢超基面上,至少一个保持元件被模制到套筒上,并且保持元件具有基本咬合对准。 所述至少一个保持元件延伸穿过所述套筒的整个长度,并且具有在其横截面中具有连接颈部的头部。 以这种方式,在连接颈部的两侧形成保持底切。 所述至少一个保持元件的连接颈部以与所述套筒的冠部线相对的偏移模制。 因此产生了一种蜘蛛模具,其具有在较小安装高度下具有增加的保持力的改进的保持力。
    • 4. 发明授权
    • Method for automatically shimming a high resolution NMR magnet
    • 自动匀场高分辨率NMR磁铁的方法
    • US5343151A
    • 1994-08-30
    • US29906
    • 1993-03-11
    • David G. CoryPeter Sprenger
    • David G. CoryPeter Sprenger
    • G01R33/3875G01V3/00
    • G01R33/3875
    • A plurality of measurements are made with a probe containing a material sample with a known frequency spectrum. The probe is positioned in one spot in the magnet bore in the presence of a field gradient along a predetermined axis. Prior to each measurement, the gradient strength is increased by a predetermined constant amount. The resulting measurement values are mathematically manipulated to yield a set of values which can be used to set the shim coil currents based on known equations for the field generated by each shim coil. The method can be used with a material sample with a simple NMR spectrum or a complex NMR spectrum. If a sample with a complex NMR spectrum is employed in the measurement, the spectral complexity can be removed by deconvolution during the manipulation of the measurement values.
    • 使用包含具有已知频谱的材料样品的探针进行多次测量。 在沿着预定轴的场梯度的存在下,探针定位在磁体孔中的一个点中。 在每次测量之前,梯度强度增加预定的恒定量。 所得到的测量值在数学上被操纵以产生可以用于基于由每个垫片线圈产生的场的已知方程来设置垫片线圈电流的一组值。 该方法可与具有简单NMR光谱或复合NMR光谱的材料样品一起使用。 如果在测量中采用具有复杂NMR光谱的样品,则可以在操作测量值期间通过去卷积去除光谱复杂度。
    • 5. 发明授权
    • Bar matrix
    • 条形矩阵
    • US08100691B2
    • 2012-01-24
    • US12311150
    • 2007-07-06
    • Peter Sprenger
    • Peter Sprenger
    • A61C13/12A61C13/00
    • A61C13/2656A61C13/275
    • For a resilient mounting of a spider die onto a dental prosthetic suprastructure on a male spider mold, at least one retention element is molded onto a sleeve, and the retention element has a substantially occlusal alignment. The at least one retention element extends across the entire length of the sleeve and has a head having a connecting neck in its cross-section. In this manner, retention undercuts are formed on both sides of the connecting neck. The connecting neck of the at least one retention element is molded at an offset as opposed to the crown line of the sleeve. A spider die is thus created, which has an improved retention with an increased retention force at a smaller installation height.
    • 为了将蜘蛛模具弹性地安装在雄性蜘蛛模具上的牙科假肢超基面上,至少一个保持元件被模制到套筒上,并且保持元件具有基本咬合对准。 所述至少一个保持元件延伸穿过所述套筒的整个长度,并且具有在其横截面中具有连接颈部的头部。 以这种方式,在连接颈部的两侧形成保持底切。 所述至少一个保持元件的连接颈部以与所述套筒的冠部线相对的偏移模制。 因此产生了一种蜘蛛模具,其具有在较小安装高度下具有增加的保持力的改进的保持力。