3834637

Information

• Patent Grant
• 3834637

• References
• Source

• Patent Number

  3,834,637

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • B21C47/28 - Drums or other coil-holders
  • B21C47/22 - Unwinding coils without reels or drums
  • B65B11/04 - the articles being rotated
  • B65H16/106 - in which power is applied to web roll
  • B65H18/20 - the web roll being supported on two parallel rollers at least one of which is driven

• US Classifications

  • 242 - Winding, tensioning, or guiding