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    • 2. 发明公开
    • METHOD FOR MANUFACTURING DOOR HINGE FOR AUTOMOBILE
    • VERFAHREN ZUR HERSTELLUNG EINESTÜRSCHARNIERSFÜRAUTOMOBILE
    • EP2653247A1
    • 2013-10-23
    • EP11848522.6
    • 2011-12-07
    • Ogawa, HiroshiOgawa, Kazuya
    • YOKOYAMA Michihiro
    • B21K13/02B21D53/40B21D53/88B21J5/02B21J5/10B21J13/02
    • E05D5/062B21D53/40B21D53/88B21J5/02B21J5/10B21K1/74B21K13/02B21K23/00E05D9/00E05D11/00E05Y2800/465Y10T29/24
    • Provided is a method of manufacturing an automobile door hinge having high strength from a round steel bar at low cost through a process including hot forging and punching. The method includes hot forging a round steel bar to form a forged workpiece 33a including a mounting portion, an arm portion, and a column portion 7a that has a horizontal cross section having a circular shape; and forming a shaft hole 6, into which a hinge pin is to be inserted, by punching the column portion 7a so that the shaft hole 6 extends through an axial center of the column portion 7a by using a special die 52a and a punch 51. The die 52a has a gap formed therein so that, during punching, a slug is not generated and the column portion 7a expands outward when the punch 51 is pressed into the column portion 7a from a punching start point to a predetermined dimension, and a slug is generated and discharged when the punch 51 is pressed into the column portion 7a from the predetermined dimension to a punching end point. Thus, the shaft hole 6 can be formed so as to have a height that is twice the diameter thereof or larger. Therefore, with the manufacturing method, an automobile door hinge having high strength can be manufactured at low cost.
    • 提供一种通过包括热锻和冲压的方法以低成本从圆钢棒制造具有高强度的汽车门铰链的方法。 该方法包括热锻圆钢棒以形成包括安装部分,臂部分和具有圆形形状的水平截面的柱部分7a的锻造工件33a; 并且通过冲压柱部分7a形成轴孔6,通过冲压柱部分7a,使得轴孔6通过使用特殊模具52a和冲头51延伸穿过柱部分7a的轴向中心。 模具52a具有形成在其中的间隙,使得在冲压期间,当冲头51从冲压起始点被压入柱部分7a到预定尺寸时,柱部分7a向外膨胀,并且柱部分7a向外膨胀, 当冲头51从预定尺寸压入柱部分7a到冲压终点时,产生和排出。 因此,轴孔6可以形成为具有其直径的两倍或更大的高度。 因此,通过制造方法,可以低成本地制造具有高强度的汽车门铰链。
    • 3. 发明公开
    • METHOD OF MANUFACTURING DOOR HINGE FOR AUTOMOBILE
    • 制造车门铰链的方法
    • EP2551036A1
    • 2013-01-30
    • EP11759186.7
    • 2011-03-08
    • Ogawa, HiroshiOgawa, Kazuya
    • YOKOYAMA Michihiro
    • B21K1/76B21D28/34B21D53/40B21J5/08B21J5/10B21J13/02B21K13/02B60J5/04
    • B21K1/76B21D28/32B21D53/40B21K13/02Y10T16/558Y10T29/24
    • The present invention provides a method for manufacturing a high-strength motor vehicle door hinge from a steel plate blank at low cost. The method includes a cold heading step of forming a cylindrical bulging portion at one end of the blank in the width direction, a shaft hole forming step of forming a shaft hole in the cylindrical bulging portion, and a shaft hole finishing step. In the shaft hole forming step, a shaft hole is formed using a first punch having a top end with a shape of a cone and first die having an inner wall with a gap volume relative to the outer circumferential surface of the cylindrical bulging portion of the blank. The size of the gap volume is set so that when the first punch punches the cylindrical bulging portion of the blank, a hole portion formed from an end at which machining of the first punch starts to a predetermined length position does not produce a punched slug and the cylindrical bulging portion bulges outward and a hole portion from the predetermined length position to the end at which the machining of the first punch ends produces a punched slug to be ejected. In the shaft hole finishing step, the shaft hole is finished from the end at which the machining of the first punch ends using a second die having a shape substantially the same as the shape of the first die and a second punch having a top end with a shape of a truncated cone or a cone and the largest diameter that is larger than that of the first punch.
    • 本发明提供了一种以低成本由钢板毛​​坯制造高强度机动车门铰链的方法。 该方法包括:在坯料的宽度方向的一端形成圆筒状鼓出部的冷镦步骤;在圆筒鼓出部上形成轴孔的轴孔形成步骤;以及轴孔加工步骤。 在轴孔形成步骤中,使用具有圆锥形状的顶端的第一冲头和具有相对于圆柱形凸出部分的外周表面的间隙容积的内壁的第一冲模形成轴孔 空白。 设定间隙容积的大小,使得当第一冲头冲压毛坯的圆柱形凸出部分时,从第一冲头的加工开始的端部形成的孔部分开始到预定长度位置不产生冲孔的块, 圆柱形凸出部分向外凸出并且从预定长度位置到第一冲头端部的机械加工的端部产生孔部分,从而产生待冲出的冲孔块。 在轴孔加工工序中,使用与第一模具的形状大致相同的形状的第二模具和第二冲头将轴孔从第一冲头的加工结束的一端加工成 截头圆锥或锥体的形状,其最大直径大于第一冲头的直径。
    • 4. 发明公开
    • TOMOGRAPHIC IMAGE IMAGING DEVICE
    • EP3657155A1
    • 2020-05-27
    • EP18834921.1
    • 2018-07-18
    • Ogawa, Hiroshi
    • Ogawa, Hiroshi
    • G01N21/17A61B1/00A61B3/10A61B10/00G01B11/24
    • The present invention comprises: a light source; a generator that generates, from light generated by the light source, a light pulse train in which the carrier waves are coherent, interference between adjacent waveforms is low, and the spatial length of a pulse width is smaller than a depth range of an observation target region in a measurement target; a frequency shifter that converts the frequency of a light pulse train modulated by the generator; a light path length changing unit that changes the light path length of the light pulse train; a light detection unit into which is input the light pulse train output from the light path length changing unit and backwardly scattered waves from the measurement target; a filter that extracts a difference signal output from the light detector and having a shift frequency of the frequency shifter; a demodulator that combines the difference signal extracted by the filter and a reference signal synchronized with the shift frequency of the frequency shifter; and an analyzing unit that analyzes a signal output by the demodulator.
    • 7. 发明申请
    • METHOD AND APPARATUS FOR PROCESSING DATA
    • 用于处理数据的方法和装置
    • WO1986007181A1
    • 1986-12-04
    • PCT/JP1986000260
    • 1986-05-22
    • SONY CORPORATIONOGAWA, Hiroshi
    • SONY CORPORATION
    • G11B20/18
    • G11B20/18G11B20/1217
    • A method and an apparatus for processing data, in which a disk having synchronizing signals recorded in front of and at the back of each data block, is reproduced to detect defective portions in the reproduced data, a position of the synchronizing signal at the back of said data block is detected to find a difference between the bit length of said data block and the position of the synchronizing signal at the back thereof, and the order of data arrangement in the reproduced data after the defective portion is deviated by an amount that corresponds to the above-mentioned difference. This helps to prevent the data from being lost in large amounts owing to the cycle slip error.
    • 一种用于处理数据的方法和装置,其中再现了具有记录在每个数据块的前面和之后的同步信号的盘,以检测再现数据中的缺陷部分,在后面的同步信号的位置 检测所述数据块以发现所述数据块的位长与其后面的同步信号的位置之间的差异,并且在缺陷部分之后的再现数据中的数据排列的顺序偏离相应的量 到上述差异。 这有助于防止数据由于周期滑移错误而大量丢失。