2737090

Information

• Patent Grant
• 2737090

• References
• Source

• Patent Number

  2,737,090

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1956
  69 years ago

• CPC

  • B29C65/18 - using heated tools
  • B29C65/305 - involving the use of cartridge heaters
  • B29C66/3452 - Making complete joints by combining partial joints
  • B29C66/53461 - joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
  • B29C66/8181 - characterised by the cooling constructional aspects
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B31B2217/068 - having non-square, non-rectangular cross section
  • B31B2217/082 - Making boxes from tubular webs or blanks

• US Classifications

  • 493 - Manufacturing container or tube from paper