3737979

Information

• Patent Grant
• 3737979

• References
• Source

• Patent Number

  3,737,979

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • B21B1/0805 - Flat bars
  • B21B1/22 - for rolling plates, strips, bands or sheets of indefinite length
  • B21B2015/0092 - Welding in the rolling direction
  • B21B2267/065 - Top and bottom roll have different diameters Asymmetrical rolling

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming
  • 219 - Electric heating