2731247

Information

• Patent Grant
• 2731247

• References
• Source

• Patent Number

  2,731,247

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1956
  69 years ago

• CPC

  • B29C47/667 - having projections with a short length in the barrel direction
  • A21C1/065 - Worm or screw mixers
  • B01F7/00708 - The axis comprising stirring means and feeding or discharging means fixed on the same axis
  • B29B7/427 - with independently driven screws rotating about the same axis
  • B29C47/0009 - characterised by the shape of the articles
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/44 - using axially movable screws in relation to the barrel
  • B29C47/585 - Extruder feed section
  • B29C47/66 - Barrels or cylinders
  • C08B17/00 - Apparatus for esterification or etherification of cellulose
  • C08B17/02 - for making organic esters of cellulose
  • B01F7/00416 - screws; Worms; Stirrers composed of screw sections
  • B01F7/02 - with stirrers rotating about a horizontal or inclined axis

• US Classifications

  • 366 - Agitating
  • 415 - Rotary kinetic fluid motors or pumps