3815399

Information

• Patent Grant
• 3815399

• References
• Source

• Patent Number

  3,815,399

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  51 years ago

• CPC

  • B21D28/36 - using rotatable work or tool holders
  • B21D28/28 - in tubes or other hollow bodies
  • B21D31/02 - Stabbing or piercing
  • Y10T83/0596 - Cutting wall of hollow work
  • Y10T83/394 - One tool having unidirectional rotary motion

• US Classifications

  • 072 - Metal deforming
  • 083 - Cutting