2256263

Information

• Patent Grant
• 2256263

• References
• Source

• Patent Number

  2,256,263

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1941
  83 years ago

• CPC

  • B31B7/00 - Machinery characterised by making lined or internally-reinforced boxes or cartons
  • B29C53/50 - using internal forming surfaces
  • B31B1/28 - around mandrels, including bottom-forming operations
  • B31B1/42 - acting externally
  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B31C5/00 - Forming tubes or pipes of paper or cardboard without mandrels
  • B29L2009/00 - Layered products
  • B31B2201/2604 - around mandrels
  • B31B2201/265 - acting externally
  • B31B2217/00 - Making boxes by assembling several separate blanks, or webs making lined boxes making boxes from laminated blanks or webs
  • B31B2217/0038 - Making lined or internally-reinforced boxes
  • B31B2217/082 - Making boxes from tubular webs or blanks

• US Classifications

  • 493 - Manufacturing container or tube from paper