3649447

Information

• Patent Grant
• 3649447

• References
• Source

• Patent Number

  3,649,447

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • B21D1/00 - Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom Stretching sheet metal combined with rolling
  • B65H23/02 - transversely
  • B65H23/34 - Apparatus for taking-out curl from webs
  • B65H2301/415185 - Web unwound being guided over (pivoting) guide resting on the roller diameter
  • B65H2404/15212 - rotating, pivoting or oscillating around an axis perpendicular to the roller axis
  • B65H2511/14 - Diameter

• US Classifications

  • 162 - Paper making and fiber liberation
  • 242 - Winding, tensioning, or guiding