3709083

Information

• Patent Grant
• 3709083

• References
• Source

• Patent Number

  3,709,083

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1973
  52 years ago

• CPC

  • B21D24/00 - Special deep-drawing arrangements in, or in connection with, presses
  • B21D28/00 - Shaping by press-cutting Perforating
  • B21J7/30 - operated by electro-magnets
  • B30B1/42 - by magnetic means
  • B30B13/00 - Methods of pressing not special to the use of presses of any one of the preceding main groups
  • Y10T83/8765 - Magnet- or solenoid-actuated tool
  • Y10T83/8785 - Through return [noncutting] stroke
  • Y10T83/8855 - With spaced guide pins [e.g., die set leader pins]
  • Y10T83/9476 - Tool is single element with continuous cutting edge [e.g., punch, etc.]

• US Classifications

  • 083 - Cutting
  • 072 - Metal deforming