3331902

Information

• Patent Grant
• 3331902

• References
• Source

• Patent Number

  3,331,902

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • B29C49/22 - using multilayered preforms or parisons
  • B29C49/04 - Extrusion blow-moulding
  • B29C53/42 - using internal forming surfaces
  • B29C63/06 - around tubular articles
  • B65B9/24 - the tubes being formed in situ by extrusion

• US Classifications

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