3464320

Information

• Patent Grant
• 3464320

• References
• Source

• Patent Number

  3,464,320

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1969
  55 years ago

• CPC

  • B30B15/24 - controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
  • B30B15/16 - Control arrangements for fluid-driven presses
  • B30B15/186 - Controlling the return movement of the ram
  • F15B11/044 - by regulating means in return line
  • F15B2211/20538 - constant capacity
  • F15B2211/3059 - having multiple valves for multiple output members
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/575 - Pilot pressure control
  • F15B2211/615 - Filtering means
  • F15B2211/7053 - Double-acting output members
  • F15B2211/71 - Multiple output members

• US Classifications

  • 091 - Motors: expansible chamber type