3873072

Information

• Patent Grant
• 3873072

• References
• Source

• Patent Number

  3,873,072

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • B29C47/667 - having projections with a short length in the barrel direction
  • B01F7/048 - the paddles co-operating
  • B29B7/422 - with screw sections co-operating
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • D01D1/065 - Addition and mixing of substances to the spinning solution or to the melt; Homogenising
  • B29C47/0014 - Filamentary-shaped articles

• US Classifications

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