3668919

Information

• Patent Grant
• 3668919

• References
• Source

• Patent Number

  3,668,919

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • B21D5/029 - with shearing devices
  • B23D15/00 - Shearing machines or shearing devices cutting by blades which move parallel to themselves
  • B23D15/14 - actuated by fluid or gas pressure
  • B30B15/007 - Means for maintaining the press table, the press platen or the press ram against tilting or deflection
  • Y10T83/8828 - Plural tools with same drive means
  • Y10T83/8864 - Plural cylinders

• US Classifications

  • 072 - Metal deforming
  • 083 - Cutting