3029471

Information

• Patent Grant
• 3029471

• References
• Source

• Patent Number

  3,029,471

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1962
  62 years ago

• CPC

  • B29C47/725 - for plasticising or homogenising devices
  • B29C47/36 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
  • B29C47/368 - using a screw extruder and a ram or piston
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/60 - Screws
  • B29C49/022 - the parison being partly injected and partly extruded
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

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