3787160

Information

• Patent Grant
• 3787160

• References
• Source

• Patent Number

  3,787,160

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  51 years ago

• CPC

  • B29C47/6093 - having parts without mixing elements
  • B29B7/427 - with independently driven screws rotating about the same axis
  • B29C44/3442 - Mixing, kneading or conveying the foamable material
  • B29C47/362 - using static mixing devices
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/48 - using screws arranged coaxially, one within the other
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B29C47/76 - Venting, drying or degassing means
  • B30B11/243 - using two or more screws working in the same chamber
  • B29C47/0014 - Filamentary-shaped articles
  • B29C47/0021 - Flat flexible articles

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 415 - Rotary kinetic fluid motors or pumps