3485131

Information

• Patent Grant
• 3485131

• References
• Source

• Patent Number

  3,485,131

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1969
  55 years ago

• CPC

  • B21D28/26 - in sheets or flat parts
  • B21D22/00 - Shaping without cutting, by stamping, spinning, or deep-drawing
  • Y10T83/817 - With variable spacing between tool pairs
  • Y10T83/8743 - Straight line positioning
  • Y10T83/8855 - With spaced guide pins [e.g., die set leader pins]
  • Y10T83/8858 - Fluid pressure actuated
  • Y10T83/9476 - Tool is single element with continuous cutting edge [e.g., punch, etc.]

• US Classifications

  • 083 - Cutting