3021559

Information

• Patent Grant
• 3021559

• References
• Source

• Patent Number

  3,021,559

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  62 years ago

• CPC

  • B29C69/02 - of moulding techniques only
  • B29C49/60 - Blow-needles
  • B29C49/04 - Extrusion blow-moulding
  • B29C2049/5865 - Pneumatic
  • B29C2049/5886 - for introducing from below into the extruded parison
  • B29K2023/06 - PE
  • B29L2031/54 - Balls
  • Y10S425/806 - Flash removal

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 425 - Plastic article or earthenware shaping or treating: apparatus