1877645

Information

• Patent Grant
• 1877645

• References
• Source

• Patent Number

  1,877,645

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1932
  92 years ago

• CPC

  • B21B1/36 - by cold-rolling
  • B21B15/0085 - Joining ends of material to continuous strip, bar or sheet
  • B21B37/24 - Automatic variation of thickness according to a predetermined programme
  • B21B45/004 - Heating the product
  • B21B2001/221 - by cold-rolling
  • B21B2015/0014 - transversely to the rolling direction
  • B21B2261/22 - Hardness
  • B21B2273/08 - Threading-in or before threading-in
  • B21B2273/10 - Threading-out or after threading-out
  • Y10T29/301 - Method

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working