3360820

Information

• Patent Grant
• 3360820

• References
• Source

• Patent Number

  3,360,820

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1968
  57 years ago

• CPC

  • B30B9/122 - Means preventing the material from turning with the screw or returning towards the feed hopper
  • B29B7/421 - with screw and additionally other mixing elements on the same shaft
  • B29B9/065 - under-water
  • B29B13/06 - by drying
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/40 - using at least two parallel intermeshing screws or at least two parallel non-intermeshing screws
  • B29C47/60 - Screws
  • B29C47/6093 - having parts without mixing elements
  • B29C47/64 - having incorporated mixing devices
  • B29C47/667 - having projections with a short length in the barrel direction
  • B29C47/76 - Venting, drying or degassing means
  • B29C47/761 - the vented material being in liquid form
  • B29C47/763 - Vent constructions
  • B29C47/767 - through a degassing opening of a barrel
  • B29C47/0009 - characterised by the shape of the articles
  • B29K2021/00 - Use of unspecified rubbers as moulding material

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 241 - Solid material comminution or disintegration