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    • 3. 发明申请
    • WELDING METHOD FOR T-JOINT
    • T型接头焊接方法
    • US20100176108A1
    • 2010-07-15
    • US12664064
    • 2008-09-26
    • Toru NakajimaHikaru Yamamoto
    • Toru NakajimaHikaru Yamamoto
    • B23K9/02B23K9/16
    • B23K9/025
    • In a plate assembling step, a gap (5) is formed between a leading end portion (3A) of a groove (3) provided on an upright plate (2) and a lower plate (1). An arc is generated from a welding wire (7) toward a back surface (3C) side of the groove (3) through the gap (5), to form a satisfactory penetration bead (8) on the back surface (3C) side of the groove (3). Next, the welding wire (7), the lower plate (1), the groove (3) of the upright plate (2) and the penetration bead (8) are fused to form a first-layer welding bead (9), thereby firmly joining the lower plate (1) and the groove (3) of the upright plate (2). The first and second welding steps are performed continuously after performing the plate assembling step, to enhance workability at the time of welding the lower plate (1) and the upright plate (2).
    • 在板组装步骤中,在设置在直立板(2)上的槽(3)的前端部(3A)和下板(1)之间形成间隙(5)。 通过间隙(5)从焊丝(7)向凹槽(3)的后表面(3C)侧产生电弧,以在凹槽(3)的背面(3C)侧产生令人满意的穿透珠(8) 槽(3)。 接着,将焊丝(7),下板(1),立板(2)的槽(3)和贯通珠(8)熔合,形成第一层焊珠(9) 牢固地连接下板(1)和直板(2)的槽(3)。 第一和第二焊接步骤在执行板组装步骤之后连续进行,以提高在焊接下板(1)和直板(2)时的可加工性。
    • 8. 发明申请
    • Working arm for construction machine and method of producing the same
    • 工程施工机械及其制造方法
    • US20060201274A1
    • 2006-09-14
    • US10550729
    • 2004-06-22
    • Toru NakajimaTakeshi Takahashi
    • Toru NakajimaTakeshi Takahashi
    • B25J18/00
    • E02F3/38Y10T29/49622Y10T29/49634Y10T74/20305
    • A wide plate-like material (27), having thin and thick wall portions in a transverse direction, is prepared by alternately joining one of flat thin plates (28, 29) and one of thick corner plates (30) or thick plates (31). The wide plate-like material (27) is bent at and along right and left thick corner plates (30) and formed into a U-shaped structure (32) which is U-shape in cross section. Separately from the U-shaped structure (32), a plate-like member (33) is prepared by butt welding thick plates (35) to right and left sides of a thin plate (34). The plate-like member (33) is welded to a lower side of the U-shaped structure (32) by laser welding or the like to form a square tubular structure, which is in a square shape in cross section and serves as a major part of an operating arm.
    • 通过交替地将一个平板薄片(28,29)和一个厚角板(30)或厚板(31)之一交替地接合而制成横向具有薄而厚壁部分的宽板状材料(27) )。 宽板状材料(27)在左右的厚角板(30)的左右方向弯曲,形成U字形的U字状的结构(32)。 与U形结构(32)分开地,通过将​​厚板(35)对对薄板(34)的左右两侧来制备板状构件(33)。 通过激光焊接等将板状部件(33)焊接在U字状结构体(32)的下侧,形成截面为正方形的矩形管状结构,作为主体 操作臂的一部分。
    • 9. 发明授权
    • Power supply for multi-electrode discharge
    • 多电极放电电源
    • US5932116A
    • 1999-08-03
    • US952968
    • 1997-12-05
    • Kazunori MatsumotoToru Nakajima
    • Kazunori MatsumotoToru Nakajima
    • H01J37/32H05H1/46B23K10/00
    • C01B13/115H01J37/32082H01J37/32174H05H1/46C01B2201/12C01B2201/64C01B2201/90
    • Disclosed is a new ac electric discharging power supply which is capable of permitting electric discharge to appear without difficulty even in the atmosphere of reduced gas pressure or even though undesired dielectric material should be accidentally adhered to the electrode surface, and in which power supply the plasma parameters vary hardly with time.The signal from master oscillator (1) is divided into a plurality of divisions by power divider (2), and each power division is controlled in phase and amplitude by phase-shifters (3) and power amplifiers (4). Oscillating frequency, phase and amplitude are controlled coordinately by control (7), and the final voltages appearing at the output terminals of power amplifiers (5) are applied to electrodes 6, which are arranged in an electric discharging vessel.One output terminals of all power transformers (5) are connected in common, ordinarily in floating condition, thereby permitting electric discharges to appear between selected electrodes (6).The phases and amplitudes of different voltages applied to electrodes (6) may be controlled to be same or appropriate for a particular application. Also, the shape and arrangement of electrodes (6) may be so selected as to be most appropriate for a particular application.
    • PCT No.PCT / JP96 / 01521 Sec。 371 1997年12月5日第 102(e)日期1997年12月5日PCT提交1996年6月5日PCT公布。 WO96 / 39794 PCT出版物 日期1996年12月12日公开是一种新的交流放电电源,即使在气体压力降低的气氛中也能够容易地出现放电,或者即使不希望的电介质材料不小心粘附到电极表面, 哪个电源的等离子体参数几乎随时间变化。 来自主振荡器(1)的信号由功率分配器(2)分成多个分频,并且通过移相器(3)和功率放大器(4)对功率分配进行相位和幅度的控制。 振荡频率,相位和幅度通过控制(7)协调控制,功率放大器(5)输出端出现的最终电压被施加到布置在放电容器中的电极6上。 所有电力变压器(5)的一个输出端子共同连接,通常处于浮动状态,从而允许在所选择的电极(6)之间出现放电。 施加到电极(6)的不同电压的相位和幅度可以被控制为对于特定应用来说是相同的或适当的。 此外,电极(6)的形状和布置可以被选择为最适合于特定应用。