Patents Assigned to Kawaski Yukon Kabushiki Kaisha
  • Patent number: 4321818
    Abstract: In a hydraulic forging press having one or a plurality of press rams actuated reciprocatively through working oil by reciprocating motion of pump ram given by mechanical driving means, a closed forging press being provided with one or a plurality of punch rams disposed in a position to communize said working oil with said press ram and perform double action with said press ram, and actuated through said working oil by reciprocating motion of said pump ram.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 30, 1982
    Assignee: Kawaski Yukon Kabushiki Kaisha
    Inventor: Michio Bessho