Oblon, McClelland, Maier & Neustadt, L.L.P.
Discharge surface treatment method and coating block for discharge surface treatments
Employing a compact molded from powder of metal or the like as an electrode 11, generating pulsed discharges between the electrode 11 and a treating portion Wa of work W in working oil L as a mixture with powder of semiconductor or conductor mixed therein, using discharge energy thereof for locally fusing surface regions of the treating portion Wa of work W, showering molten pieces of electrode material or reactants of the electrode material onto the treating portion Wa of work W, forming a covering film C on the treating portion Wa of work W.
IHI CORPORATION
H C
H01B C23C
inventional inventional
Masayoshi Mitsutoshi Hiroki Yukihiro Hiroyuki
Shiino Watanabe Yoshizawa Shimoda Ochiai