3873660

Information

• Patent Grant
• 3873660

• References
• Source

• Patent Number

  3,873,660

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • B29C49/60 - Blow-needles
  • B29C49/16 - using pressure difference for prestretching
  • B29C49/6481 - using several mould cavities for each article
  • B29C49/04 - Extrusion blow-moulding
  • B29C49/06 - Injection blow-moulding
  • B29C2049/4294 - Sealing means
  • B29C2049/6072 - being movable
  • B29C2793/0081 - before shaping
  • B29K2033/18 - Polymers of nitriles
  • Y10S264/33 - Blow-molding articles of nonuniform thickness

• US Classifications

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