2248534

Information

• Patent Grant
• 2248534

• References
• Source

• Patent Number

  2,248,534

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1941
  83 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B31B45/00 - Machinery characterised by making containers having corrugated or pleated walls
  • B65D3/02 - characterised by shape
  • B65D3/22 - with double walls with walls incorporating air-chambers with walls made of laminated material
  • B31B2201/2695 - involving corrugating or pleating
  • B31B2201/622 - Coating or impregnating formed boxes
  • B31B2201/627 - by spraying
  • B31B2217/062 - Making conical or pyramidal boxes Making boxes of varying cross-section
  • B31B2217/064 - Making boxes of curved cross section
  • B31B2217/082 - Making boxes from tubular webs or blanks
  • B31B2241/005 - Making paper bottles

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 427 - Coating processes