3491639

Information

• Patent Grant
• 3491639

• References
• Source

• Patent Number

  3,491,639

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  54 years ago

• CPC

  • B21D28/28 - in tubes or other hollow bodies
  • B26F1/0015 - specially adapted for perforating tubes
  • Y10T83/385 - Work pre-packed with internal tool[s]
  • Y10T83/75 - With or to tool guide
  • Y10T83/808 - Two tool pairs, driver for one pair moves relative to driver for other pair
  • Y10T83/8694 - With brake or blocking means
  • Y10T83/8825 - With lost motion in tool drive

• US Classifications

  • 083 - Cutting