3868893

Information

• Patent Grant
• 3868893

• References
• Source

• Patent Number

  3,868,893

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B29C45/14008 - Inserting articles into the mould
  • B29C45/14475 - Joining juxtaposed parts of a single article
  • B31B1/44 - by plungers moving through folding dies
  • B31B1/46 - and interconnecting side walls during such movement
  • B31B3/44 - by plungers moving through folding dies
  • B65D5/18 - by folding a single blank to U-shape to form the base of the container and opposite sides of the body portion, the remaining sides being formed primarily by extensions of one or more of these opposite sides
  • B31B2201/2654 - by plungers moving through folding dies
  • B31B2201/2666 - involving interconnecting side walls
  • B31B2201/6004 - by injecting of thermoplastic material for uniting opposed edges

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 425 - Plastic article or earthenware shaping or treating: apparatus