3317959

Information

• Patent Grant
• 3317959

• References
• Source

• Patent Number

  3,317,959

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1967
  57 years ago

• CPC

  • B29C47/60 - Screws
  • B29B7/427 - with independently driven screws rotating about the same axis
  • B29C45/50 - Axially movable screw
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/46 - using screws extruding in opposite directions
  • B29C47/48 - using screws arranged coaxially, one within the other
  • B29C47/66 - Barrels or cylinders
  • B29C47/0009 - characterised by the shape of the articles
  • Y10S528/931 - Physical treatment of natural rubber or natural rubber containing material or chemical treatment of non-rubber portion thereof

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 366 - Agitating
  • 528 - Synthetic resins or natural rubbers