3797550

Information

• Patent Grant
• 3797550

• References
• Source

• Patent Number

  3,797,550

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • B29C47/367 - using a screw extruder and a gear pump
  • B01D1/226 - in the form of a screw or with helical blade members
  • B01D19/0026 - in rotating vessels or in vessels containing movable parts
  • B29C47/364 - using gear pumps
  • B29C47/385 - using a single screw
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B29C47/76 - Venting, drying or degassing means
  • B29C47/766 - in screw extruders
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 159 - Concentrating evaporators
  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus