2944288

Information

• Patent Grant
• 2944288

• References
• Source

• Patent Number

  2,944,288

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1960
  64 years ago

• CPC

  • B29C47/6037 - having reverse feeding elements
  • B29C45/50 - Axially movable screw
  • B29C45/541 - using a hollow plasticising screw co-operating with a coaxial injection ram
  • B29C47/28 - Cross-head annular extrusion nozzles
  • 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
  • B29C47/6093 - having parts without mixing elements
  • B29C49/022 - the parison being partly injected and partly extruded
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0026 - Hollow flexible articles
  • B29C47/20 - with annular opening
  • Y10S264/92 - by extruding material recycled from consumer used article or product
  • Y10S264/921 - by injection molding material recycled from consumer used article or product

• US Classifications

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