3912186

Information

• Patent Grant
• 3912186

• References
• Source

• Patent Number

  3,912,186

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • B65H18/26 - Mechanisms for controlling contact pressure on winding-web package
  • B65H2406/1131 - Porous material
  • B65H2601/211 - Entrapping air in or under the material
  • Y10S242/908 - Fluid treatment or handling

• US Classifications

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