3721114

Information

• Patent Grant
• 3721114

• References
• Source

• Patent Number

  3,721,114

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • B21B41/00 - Guiding, conveying, or accumulating easily-flexible work
  • B21B1/28 - by cold-rolling
  • B21C47/34 - Feeding or guiding devices not specially adapted to a particular type of apparatus
  • B21C49/00 - Devices for temporarily accumulating material
  • B21B41/08 - without overall change in the general direction of movement of the work

• US Classifications

  • 072 - Metal deforming
  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding