1831250

Information

• Patent Grant
• 1831250

• References
• Source

• Patent Number

  1,831,250

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1931
  93 years ago

• CPC

  • B65H45/18 - Oscillating or reciprocating blade folders
  • B65H27/00 - Special constructions of feed or guide rollers and surfaces thereof
  • B65H45/147 - folding rollers therefor
  • F42C15/26 - using centrifugal force
  • B65H2404/183 - with outer layer helicoidally turned around shaft

• US Classifications

  • 493 - Manufacturing container or tube from paper