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    • 75. 发明授权
    • Method of producing an arc tube
    • 电弧管的制造方法
    • US06557379B1
    • 2003-05-06
    • US09698212
    • 2000-10-30
    • Masakazu NagasawaMasayuki UmeharaHiroshi Goto
    • Masakazu NagasawaMasayuki UmeharaHiroshi Goto
    • C03B2307
    • H01J9/245C03B23/045C03B23/0496C03B23/07
    • A pair of chucks, which grip end portions of a cylindrical glass tube blank, are moved by a chuck moving mechanism toward each other, so that softened glass in an intermediate portion of the cylindrical glass tube blank is gathered, thereby forming a shape that is suitable for blow molding a light emitting tube portion. In the approaching movement, the position of one chuck is detected by using a laser position detector, and a result of the detection is fed back to the chuck moving mechanism, so as to control the approach distances of the chucks. The laser position detector detects the position of the chuck itself. Therefore, even when the positional relationship between the chuck and the chuck moving mechanism is varied, or backlash or deformation occurs in the chuck moving mechanism, the correct position of the chuck still is detected irrespective of such variation, backlash or deformation. Consequently, it is possible to effectively prevent the approach distances of the chucks from deviating from a desired value.
    • 夹着圆筒形玻璃管坯的端部的一对夹头通过卡盘移动机构朝向彼此移动,使得圆筒形玻璃管坯的中间部分的软化玻璃聚集,形成为 适用于吹塑发光管部分。 在接近运动中,通过使用激光位置检测器检测一个卡盘的位置,并将检测结果反馈到卡盘移动机构,以便控制卡盘的接近距离。 激光位置检测器检测卡盘本身的位置。 因此,即使卡盘和卡盘移动机构之间的位置关系发生变化或卡盘移动机构发生齿隙或变形,也可以检测卡盘的正确位置,而不管这种变化,间隙或变形。 因此,可以有效地防止卡盘的接近距离偏离期望值。
    • 78. 发明授权
    • Check valve of fuel tank
    • 燃油箱止回阀
    • US5887615A
    • 1999-03-30
    • US935120
    • 1997-09-22
    • Hiroshi GotoTatuji IshikawaMasahide TakisawaToshihiro Koyama
    • Hiroshi GotoTatuji IshikawaMasahide TakisawaToshihiro Koyama
    • B60K15/04F16K15/03F16K15/00
    • F16K15/033Y10T137/7898Y10T137/7902
    • A check valve using a valve element (2) which is so constructed that the valve element comprises three members: a cover (4); an annular packing (5) and a pressing plate (6), the pressing plate (6) is provided with a snap fit claw (7), a flexible flange (12) pressed to the peripheral edge of a valve seat (11) when the valve element (2) is put in the valve closing state is formed on the outer periphery of the annular packing (5), a peripheral stepped part (13) to which the outer periphery of the pressing plate (6) is fitted is formed on the inner periphery thereof, the cover (4) is provided with a fitting hole (8) for the snap fit claw (7) and a peripheral wall (14) formed on the outer periphery thereof, to which the main body part of the annular packing (5) except the flange (12) is fitted, the annular packing (5) is fitted to the cover (4), the pressing plate (6) is fitted to the annular packing (5), and the snap fit claw (7) is fitted in the fitting hole (8), thereby clamping the annular packing (5) with the cover (4) and the pressing plate (6), in which while the convenience of assembling is kept, the sealing performance in the valve closing state is improved.
    • 一种使用阀元件(2)的止回阀,该阀元件构造成使得阀元件包括三个构件:盖(4); 一个环形填料(5)和一个压板(6),压板(6)设有一个卡扣配合爪(7),一个柔性凸缘(12)被压到一个阀座(11)的周缘, 在环状填料(5)的外周形成有阀体(2)的阀关闭状态,形成有压紧板(6)的外周嵌合的周边台阶部(13) 在其内周上,盖(4)设有用于卡扣配合爪(7)的装配孔(8)和形成在其外周上的周壁(14),其中,主体部分 安装了凸缘(12)以外的环形密封件(5),将环形密封件(5)装配到盖子(4)上,将压板(6)装配到环形填料(5)上, (7)安装在装配孔(8)中,从而将环形填料(5)与盖(4)和压板(6)夹紧,其中保持组装的方便,密封 提高了阀关闭状态的性能。