3845646

Information

• Patent Grant
• 3845646

• References
• Source

• Patent Number

  3,845,646

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • B21B19/04 - Rolling basic material of solid, i.e. non-hollow, structure Piercing
  • B21B19/02 - the axes of the rollers being arranged essentially diagonally to the axis of the work
  • B21B31/08 - Interchanging rolls, roll mountings, or stand frames
  • B21B31/18 - by moving rolls axially
  • B21B2203/16 - Eccentrics
  • B21B2203/36 - Spacers

• US Classifications

  • 072 - Metal deforming