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    • 7. 发明授权
    • Method of friction welding
    • 摩擦焊接方法
    • US3609854A
    • 1971-10-05
    • US3609854D
    • 1968-07-30
    • NAT RES INST METALS
    • HASUI ATSUSHI
    • B23K20/12B29C37/04B29C65/06B23K27/00
    • B23K20/12B29C37/04B29L2023/22
    • THE DISCLOSURE PROVIDES A METHOD OF AND AN APPARATUS FOR FRICTION WELDING WORKPIECES IN WHICH A FIRST WORKPIECE IS SECURED TO A FIRST DRIVE SHAFT AND A SECOND WORKPIECE IS SECURED TO A SECOND FREELY ROTATABLE SHAFT, THE FIRST DRIVE SHAFT IS ROTATED AT A CONSTANT SPEED, THE FREE END OF THE SECOND WORKPIECE IS CONTACTED TO THE FREE END OF THE FIRST WORKPIECE BY THE AXIAL FORCE SO AS TO FREELY ROTATE THE SECOND WORKPIECE AND ACCELERATE THE ROTATION OF THE SECOND WORKPIECE TO REACH THE ROTATIONAL SPEED OF THE FIRST WORKPIECE, AND DURING WHICH PERIOD A WELD IS COMPLETED, AND SIMULTANEOUSLY, FLASH FORMING AT THE JOINT OF WORKPIECES DURING FRICTION WELDING CAN BE REMOVED.
    • 提供了用于焊接工件的设备,其中第一工件被固定到从动轴并且第二工件被固定到可自由旋转的轴。 从动轴以恒定速度旋转。 要焊接的两个工件的表面通过轴向力接合以旋转第二工件并加速第二工件的旋转以达到第一工件的转速,在此期间焊接完成。 同时,除去在摩擦焊接过程中在工件接头处形成的闪光。
    • 10. 发明授权
    • Method for hydroelectrometallurgy
    • 水电解方法
    • US3787293A
    • 1974-01-22
    • US3787293D
    • 1971-02-03
    • NAT RES INST METALS
    • KAMETANI H
    • C25C1/00C25C7/00C22D1/16C22D1/14C22D1/18
    • C25C7/002C25C1/00
    • A hydroelectrometallurgy method comprising suspending particles of a crude metal or metal sulfide in the anode zone and seed particles of pure metal in the cathode zone, causing such particles to collide with the surfaces of the anode and cathode, respectively, and thereby effecting the corresponding electrochemical reaction on each of the particles, whereby metal ions are formed in the anode zone and the seed particles grow into coarse particles in the cathode zone as the result of precipitation of the metal thereon. According to this method, since the total surface area of the particle is very large, a greater electric current can be applied as compared with the conventional electrolytical refining or winning method, and the manufacturing rate of pure metal can be increased greatly.
    • 一种水电冶金方法,其包括将阳极区中的粗金属或金属硫化物的颗粒悬浮在阴极区中的纯金属的种子颗粒,使得这些颗粒分别与阳极和阴极的表面碰撞,从而实现相应的电化学 在每个颗粒上产生反应,由此金属离子在阳极区形成,并且种子颗粒在阴极区域中生长成粗颗粒,这是由于金属沉淀而导致的。 根据该方法,由于粒子的总表面积非常大,所以与以往的电解精炼或胜利方法相比,能够施加较大的电流,能够大幅提高纯金属的制造速度。