3211038

Information

• Patent Grant
• 3211038

• References
• Source

• Patent Number

  3,211,038

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • B21D28/265 - with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet
  • Y10T83/2216 - Inclined conduit, chute or plane
  • Y10T83/766 - Spaced edges
  • Y10T83/8742 - Tool pair positionable as a unit
  • Y10T83/8785 - Through return [noncutting] stroke
  • Y10T83/8831 - Plural distinct cutting edges on same support
  • Y10T83/8855 - With spaced guide pins [e.g., die set leader pins]
  • Y10T83/8868 - Adjustably mounted cooperating tool
  • Y10T83/9425 - Tool pair
  • Y10T83/943 - Multiple punchings

• US Classifications

  • 083 - Cutting
  • 269 - Work holders