3820373

Information

• Patent Grant
• 3820373

• References
• Source

• Patent Number

  3,820,373

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B21B37/24 - Automatic variation of thickness according to a predetermined programme
  • B21H7/007 - Taper rolling
  • B21H8/00 - Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects
  • B60G2206/428 - Leaf springs
  • B60G2206/8109 - by rolling
  • Y10T29/49611 - for vehicle or clutch

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working