2489507

Information

• Patent Grant
• 2489507

• References
• Source

• Patent Number

  2,489,507

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • B31B45/00 - Machinery characterised by making containers having corrugated or pleated walls
  • B31B2201/0276 - by being moved in the plane they are lying in
  • B31B2201/2654 - by plungers moving through folding dies
  • B31B2201/2695 - involving corrugating or pleating
  • B31B2203/062 - Making conical or pyramidal boxes Making boxes of varying cross-section
  • B31B2203/064 - Making boxes of curved cross section
  • B31B2203/106 - Making boxes having contracted or rolled necks, having shoulders

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 072 - Metal deforming