3479421

Information

• Patent Grant
• 3479421

• References
• Source

• Patent Number

  3,479,421

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • B29C49/48 - Moulds
  • B29C49/20 - of articles having inserts or reinforcements; Handling of inserts or reinforcements
  • B29C49/42 - Component parts, details or accessories Auxiliary operations
  • B29C49/04 - Extrusion blow-moulding
  • B29C49/18 - using several blowing steps
  • B29C2049/0036 - by ballooning the parison in an open mould
  • B29C2049/165 - pre-blowing without using a mould
  • B29C2049/2017 - Outside
  • B29C2049/4874 - Moulds made of at least two different materials
  • B29C2049/4892 - Mould halves consisting of an independent main and bottom part
  • B29C2793/0081 - before shaping
  • B29C2793/009 - after shaping
  • B29L2031/565 - for containers
  • B29L2031/712 - Containers; Packaging elements or accessories, Packages
  • Y10S425/012 - Destructible mold and core

• US Classifications

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