3339005

Information

• Patent Grant
• 3339005

• References
• Source

• Patent Number

  3,339,005

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1967
  57 years ago

• CPC

  • B21D19/12 - Edge-curling
  • B29C57/125 - using tools with helical grooves
  • B31B1/25 - Surface scoring
  • B31B1/28 - around mandrels, including bottom-forming operations
  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B31F1/0038 - Rim-rolling
  • B31F1/0087 - Rim-rolling
  • B31B2201/25 - Surface scoring
  • B31B2201/2604 - around mandrels
  • B31B2217/082 - Making boxes from tubular webs or blanks
  • B31B2217/108 - Inserting necks in boxes, forming or applying shoulders

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus