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    • 53. 发明专利
    • PLUMB
    • JP2000046557A
    • 2000-02-18
    • JP21292098
    • 1998-07-28
    • SUMITOMO DENSETSU CORP
    • SENHEI YASUTAKE
    • G01C15/00G01C15/10
    • PROBLEM TO BE SOLVED: To ensure high accuracy inking in a short time for every person by providing a parallel light beam generating source in a plumb being suspended and making a small hole for passing the parallel light beam to the forward end side at the forward end of the plumb. SOLUTION: A laser light emitting body 2 is contained in a plumb 1 and a small hole 3 having diameter of about 1 mm is made in the center at the forward end of the plumb 1. The laser light emitting body 2 is fixedly, while being positioned, by means of a screw 5 with the light projecting opening 4 directing toward the small hole 3. A cover 6 is fixed to the head part of the opened plumb 1 by means of a parallel screw and a suspension thread 7 is fixed to the center of the upper surface of the cover 6 such that a laser light is aligned with the thread 7. Since the laser light is projected from the forward end part of the plumb 1 to the floor surface, or the like, and inking position is determined based on the projected position, any one can perform inking accurately. Even if the plumb 1 is swinging with wind, or the like, inking can be performed in a short time without waiting stoppage of the plumb 1.
    • 54. 发明专利
    • CORROSION-PROOF DIRECT CURRENT REACTOR
    • JPH1126249A
    • 1999-01-29
    • JP18378897
    • 1997-07-09
    • SUMITOMO DENSETSU CORP
    • KITA MASAHIRO
    • H01F27/28H01F27/16H01F37/00
    • PROBLEM TO BE SOLVED: To enable industrial water to be used as cooling water by a method wherein a sacrifice anode whose natural electrode potential is lower than that of a conductor is provided inside the cavity of the conductor. SOLUTION: A corrosion-proof direct current reactor 1 is provided with a hollow conductor 2 which is assembled like a spiral, and a sacrifice anode 4 is disposed inside the hollow 3 of the conductor 2. The sacrifice anode 4 is formed of metal which is lower in natural electrode potential than the conductor 2 or inferior to the conductor 2 in ionization tendency. Cooling water is made to pass through the hollow 3 of the conductor 2, and the hollow 3 of the conductor 2 serves as a cooling water path. Electrodes 8 and 9 are provided to the extensions of the hollow conductor side 2a where a cooling water inlet 5 and a cooling water outlet 6 are provided, and a circuit is connected to the electrodes 8 and 9. In a state that the conductor 2 gets corroded, the conductor 2 functions as a cathode, the sacrifice anode functions as an anode, and the sacrifice anode 4 is corroded, so that the conductor 2 is protected against corrosion. By this setup, industrial water can be used as cooling water.
    • 56. 发明专利
    • Electrolyzer and control method of reverse current
    • 反相电流的电解质和控制方法
    • JP2013209740A
    • 2013-10-10
    • JP2012189249
    • 2012-08-29
    • Asahi Kasei Chemicals Corp旭化成ケミカルズ株式会社Sumitomo Densetsu Corp住友電設株式会社
    • MATSUOKA MAMORUTAKESHITA KOJI
    • C25B9/00
    • PROBLEM TO BE SOLVED: To provide an electrolyzer capable of reducing the reverse current during the period of electrolysis stops to prevent degradation of negative electrodes, as well as a control method of the reverse current.SOLUTION: The electrolyzer 100 is a device which consists of an electrolysis vessel 11 in which an electrolysis cell 1 with a positive electrode 2 and a negative electrode 3 are connected in a plurality of series through the ion exchange membrane 12 and a plurality of the electrolysis vessels 11 is connected in series, prepares a cable run interception device 20 which is formed at least one between a plurality of the electrolysis vessels 11 to intercepts a cable run EC between the electrolysis vessels 11, wherein the cable run interception device 20 includes a first cable run interception part 30 connected in series between the electrolysis vessels 11 and a second cable run interception part 32 connected in parallel with the first cable run interception part 30, wherein the second cable run interception part 32 intercepts the cable run EC after the first cable run interception part 30 intercepts the cable run EC.
    • 要解决的问题:提供一种能够在电解期间减少反向电流的电解器,以防止负极的劣化,以及反向电流的控制方法。解决方案:电解器100是由 电解槽11,其中具有正极2和负极3的电解槽1通过离子交换膜12多个串联连接,并且多个电解槽11串联连接,制备电缆线 拦截装置20,其形成在多个电解容器11之间的至少一个,以截取电解槽11之间的电缆行程EC,其中电缆行走截取装置20包括串联连接在电解槽之间的第一电缆行走截止部分30 容器11和与第一电缆行走截取部分30并联连接的第二电缆行走截取部分32, 其中第二电缆行走截取部分32在第一电缆行走截取部分30截取电缆行程EC之后拦截电缆行程EC。