3012286

Information

• Patent Grant
• 3012286

• References
• Source

• Patent Number

  3,012,286

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1961
  63 years ago

• CPC

  • B29C49/18 - using several blowing steps
  • B29C47/20 - with annular opening
  • B29C47/368 - using a screw extruder and a ram or piston
  • B29C47/725 - for plasticising or homogenising devices
  • B29C49/022 - the parison being partly injected and partly extruded
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C49/04 - Extrusion blow-moulding
  • B29L2031/7158 - Bottles
  • Y10S264/33 - Blow-molding articles of nonuniform thickness

• US Classifications

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