3878979

Information

• Patent Grant
• 3878979

• References
• Source

• Patent Number

  3,878,979

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • B65H19/1852 - taking place at a distance from the replacement roll
  • B65H19/14 - Accumulating surplus web for advancing to machine while changing the web roll
  • B65H2406/311 - for accumulating a loop of handled material
  • B65H2406/33 - Rotary suction means
  • B65H2408/215 - supported by vacuum or blown air

• US Classifications

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