3841578

Information

• Patent Grant
• 3841578

• References
• Source

• Patent Number

  3,841,578

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • B65H18/20 - the web roll being supported on two parallel rollers at least one of which is driven
  • B65H19/2246 - and the roll being supported on two rollers
  • B65H19/2253 - and the roll being displaced during the winding operation
  • B65H2301/41361 - sequentially used roll supports for the same web roll
  • B65H2301/414866 - on bed rollers
  • B65H2301/41824 - from below

• US Classifications

  • 242 - Winding, tensioning, or guiding