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    • 42. 发明授权
    • Spark plug
    • 火花塞
    • US07402941B2
    • 2008-07-22
    • US11318469
    • 2005-12-28
    • Tsutomu ShibataToshitaka Honda
    • Tsutomu ShibataToshitaka Honda
    • H01T13/20
    • H01T21/02H01T13/34
    • A spark plug including a cylindrical insulator having an axial hole extending in an axial direction; a center electrode held in the axial hole on a leading end side; a connecting terminal held in the axial hole on a trailing end side; and a sealing layer provided in the axial hole and including a glass sealing material containing a glass component and a metallic component, the sealing layer including a first sealing layer containing a first glass sealing material and a second sealing layer containing a second glass sealing material laminated in an axial direction of the axial hole, the first sealing layer contacting the center electrode, and the second sealing layer contacting the connecting terminal, wherein the second glass sealing material has a fluidity higher than that of the first glass sealing material at a temperature higher than a softening point of a glass component in the sealing layer.
    • 一种火花塞,包括具有沿轴向延伸的轴向孔的圆柱形绝缘体; 中心电极保持在前端侧的轴向孔中; 连接端子,其保持在后端侧的轴向孔中; 以及密封层,设置在所述轴向孔中,并且包括含有玻璃成分和金属成分的玻璃密封材料,所述密封层包括含有第一玻璃密封材料的第一密封层和含有层叠的第二玻璃密封材料的第二密封层 在所述轴向孔的轴向上,所述第一密封层与所述中心电极接触,所述第二密封层与所述连接端子接触,其中所述第二玻璃密封材料的流动性高于所述第一玻璃密封材料的流动性, 比密封层中的玻璃成分的软化点高。
    • 49. 发明申请
    • SPARK PLUG
    • SPARK插头
    • US20130069516A1
    • 2013-03-21
    • US13695721
    • 2011-02-03
    • Daisuke SumoyamaTsutomu ShibataTomoo Tanaka
    • Daisuke SumoyamaTsutomu ShibataTomoo Tanaka
    • H01T13/39
    • H01T13/39C22C5/04H01T13/20H01T21/02
    • A spark plug includes a ceramic insulator, a center electrode, a metallic shell, and a ground electrode. The center electrode has a shoulder portion at a forward end portion, which tapers forward with respect to the axial direction. A noble metal tip is joined to the forward end portion of the center electrode through a fusion zone. A spark discharge gap is formed between the noble metal tip and the ground electrode. The shortest distance between the fusion zone and a forward end surface of the noble metal tip is 0.8-1.2 mm. The outside diameter of the fusion zone as measured at a forward end of the fusion zone is smaller than that as measured at a rear end of the fusion zone. An acute angle θ1 formed by a straight line L1 and a straight line L2 satisfies the relational expression θ1≦72°.
    • 火花塞包括陶瓷绝缘体,中心电极,金属壳和接地电极。 中心电极在前端部具有相对于轴向向前变细的肩部。 贵金属端头通过熔接区域与中心电极的前端部接合。 在贵金属端头和接地电极之间形成火花放电间隙。 熔融区与贵金属端头的前端表面之间的最短距离为0.8-1.2mm。 在熔融区的前端处测量的熔融区的外径小于在熔融区的后端测量的外径。 由直线L1和直线L2形成的锐角和角度1满足关系式:1≦̸ 72°。
    • 50. 发明授权
    • Fabrication aiding apparatus
    • 制造辅助设备
    • US08350842B2
    • 2013-01-08
    • US11705826
    • 2007-02-14
    • Tsutomu ShibataYoshinori Matsuda
    • Tsutomu ShibataYoshinori Matsuda
    • G06T15/00
    • A61C13/0004A61C5/77
    • Designing of a coping for proper working is made possible. Based on three-dimensional data on a model of an abutment tooth to which a dental prosthesis is applied stored in RAM (Random Access Memory) and on three-dimensional position information about a margin line of the model stored in another RAM, on a face containing a reference axis of the model, three-dimensional position information about a side face of a coping is determined so that a specified angle is formed between a margin line and a surface of the model and three-dimensional position information about the side face of the coping on each of a plurality of different faces containing the reference axis over an entire circumference in a direction surrounding the reference axis is detected by a coping processing section.
    • 设计适当工作的应对是可能的。 基于存储在RAM(随机存取存储器)中的应用了牙科假体的邻接牙齿的模型上的三维数据以及关于存储在另一RAM中的模型的边缘线的三维位置信息,在脸部 包含模型的参考轴,确定关于应对的侧面的三维位置信息,使得在边缘线和模型的表面之间形成指定的角度,并且关于侧面的三维位置信息 通过应对处理部检测在围绕基准轴的方向上在整个圆周上包含参考轴的多个不同面中的每一个上的应对。