2440391

Information

• Patent Grant
• 2440391

• References
• Source

• Patent Number

  2,440,391

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1948
  76 years ago

• CPC

  • B31B45/00 - Machinery characterised by making containers having corrugated or pleated walls
  • B29B11/14 - characterised by structure or composition
  • B29B11/04 - by assembling preformed material
  • B29C2049/0089 - the parison being a tube
  • B29C2049/021 - the preform or parison being made out of several parts
  • B29C2049/026 - Coating a preform or parison
  • B29K2305/02 - Aluminium
  • B29K2311/123 - Coated
  • B31B2201/2675 - operating on moving material
  • 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

• US Classifications

  • 493 - Manufacturing container or tube from paper