3738209

Information

• Patent Grant
• 3738209

• References
• Source

• Patent Number

  3,738,209

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • B21D28/28 - in tubes or other hollow bodies
  • B21D28/36 - using rotatable work or tool holders
  • Y10T83/0596 - Cutting wall of hollow work
  • Y10T83/2066 - By fluid current
  • Y10T83/2168 - Manually operated stripper
  • Y10T83/4728 - Tool flies by engagement with the work
  • Y10T83/9382 - Punching plus nonpunching tool

• US Classifications

  • 083 - Cutting
  • 072 - Metal deforming