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    • 4. 发明授权
    • Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt
    • 用于制造螺栓的方法和装置,用于其的螺杆轧制模具和多个螺栓
    • US07159429B2
    • 2007-01-09
    • US10549898
    • 2004-03-19
    • Teruie TakemasuHiroshi Miyahara
    • Teruie TakemasuHiroshi Miyahara
    • B21H3/04
    • B21H3/042B21H3/02B21H3/04B21H3/06
    • A method and apparatus for manufacturing a bolt capable of mass-producing a multiple screw bolt such as a so-called double screw bolt at a low unit price, and a thread rolling die for use therein. The apparatus for manufacturing a bolt comprises a pair of thread rolling dies (1) which are arranged opposite to each other at a predetermined interval, and a bolt supporting unit (2) which supports a cylindrical bolt material (3) in a predetermined position. The thread rolling dies (1) are provided with a transfer pattern (4) having a coarse thread portion (5) which is part of a coarse thread formed by developing a coarse screw, and projections (6) which are part of a fine thread (6a) formed by developing a fine screw as shown by an imaginary line (6a), the fine thread (6a) being formed cyclically on a root portion (5a) of the coarse thread according to a phase shift between the fine thread and the coarse thread.
    • 一种用于制造能够以低价格批量生产诸如所谓双螺杆螺栓的多螺杆螺栓的螺栓的方法和装置,以及用于其中的螺纹滚压模。 用于制造螺栓的装置包括以预定间隔彼此相对布置的一对螺纹滚动模具(1),以及在预定位置支撑圆柱形螺栓材料(3)的螺栓支撑单元(2)。 线滚动模具(1)具有转印图案(4),该转印图案(4)具有作为通过显影粗螺钉形成的粗螺纹的一部分的粗螺纹部分(5)和作为细螺纹的一部分的突起(6) (6a)形成的细长螺纹(6a),其通过由假想线(6a)所示显影细螺丝形成,所述细线(6a)根据所述粗螺纹的根部(5a)周期地形成在所述粗螺纹的根部(5a)上, 细线和粗线。
    • 5. 发明授权
    • Step-up switching regulator with soft start circuits
    • 具有软启动电路的升压型开关稳压器
    • US07755340B2
    • 2010-07-13
    • US11995745
    • 2006-07-12
    • Shinya KarasawaEitaro OyamaHiroshi Miyahara
    • Shinya KarasawaEitaro OyamaHiroshi Miyahara
    • G05F1/00
    • H02M3/1588H02M1/36Y02B70/1466
    • A switching transistor has a source connected to the ground and a drain connected to the first terminal. The other end of an inductor whose one end is to be connected to the first terminal is connected to the second terminal. An input voltage is applied to the third terminal. An auxiliary transistor is disposed between the second terminal and the third terminal. A first soft start circuit generates a first soft start voltage that increases with lapse of time, and a second soft start circuit generates a second soft start voltage that increases with a delay to the first soft start voltage. An error amplifier controls the gate voltage of the auxiliary transistor on the basis of the error voltage between the output voltage and the first soft start voltage.
    • 开关晶体管具有连接到地的源极和连接到第一端子的漏极。 其一端要连接到第一端子的电感器的另一端连接到第二端子。 输入电压施加到第三端子。 辅助晶体管设置在第二端子和第三端子之间。 第一软启动电路产生随时间推移而增加的第一软启动电压,第二软启动电路产生随着第一软启动电压的延迟而增加的第二软启动电压。 误差放大器根据输出电压和第一软启动电压之间的误差电压来控制辅助晶体管的栅极电压。
    • 10. 发明申请
    • Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt
    • 用于制造螺栓的方法和装置,用于其的螺杆轧制模具和多个螺栓
    • US20060225477A1
    • 2006-10-12
    • US10549898
    • 2004-03-19
    • Teruie TakemasuHiroshi Miyahara
    • Teruie TakemasuHiroshi Miyahara
    • B21H3/04
    • B21H3/042B21H3/02B21H3/04B21H3/06
    • A method and apparatus for manufacturing a bolt capable of mass-producing a multiple screw bolt such as a so-called double screw bolt at a low unit price, and a thread rolling die for use therein. The apparatus for manufacturing a bolt comprises a pair of thread rolling dies (1) which are arranged opposite to each other at a predetermined interval, and a bolt supporting unit (2) which supports a cylindrical bolt material (3) in a predetermined position. The thread rolling dies (1) are provided with a transfer pattern (4) having a coarse thread portion (5) which is part of a coarse thread formed by developing a coarse screw, and projections (6) which are part of a fine thread (6a) formed by developing a fine screw as shown by an imaginary line (6a), the fine thread (6a) being formed cyclically on a root portion (5a) of the coarse thread according to a phase shift between the fine thread and the coarse thread.
    • 一种用于制造能够以低价格批量生产诸如所谓双螺杆螺栓的多螺杆螺栓的螺栓的方法和装置,以及用于其中的螺纹滚压模。 用于制造螺栓的装置包括以预定间隔彼此相对布置的一对螺纹滚动模具(1),以及在预定位置支撑圆柱形螺栓材料(3)的螺栓支撑单元(2)。 线滚动模具(1)具有转印图案(4),该转印图案(4)具有作为通过显影粗螺钉形成的粗螺纹的一部分的粗螺纹部分(5)和作为细螺纹的一部分的突起(6) (6a)形成的细长螺纹(6a),其通过由假想线(6a)所示显影细螺丝形成,所述细线(6a)根据所述粗螺纹的根部(5a)周期地形成在所述粗螺纹的根部(5a)上, 细线和粗线。