3273434

Information

• Patent Grant
• 3273434

• References
• Source

• Patent Number

  3,273,434

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1966
  58 years ago

• CPC

  • B21D28/16 - Shoulder or burr prevention
  • B21D28/002 - Drive of the tools
  • Y10T83/06 - Blanking
  • Y10T83/4511 - On return stroke of tool
  • Y10T83/8788 - Tool return mechanism separate from tool advance mechanism
  • Y10T83/8827 - Means to vary force on, or speed of, tool during stroke
  • Y10T83/8841 - Tool driver movable relative to tool support
  • Y10T225/371 - Movable breaking tool

• US Classifications

  • 083 - Cutting
  • 100 - Presses
  • 225 - Severing by tearing or breaking