3913796

Information

• Patent Grant
• 3913796

• References
• Source

• Patent Number

  3,913,796

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  50 years ago

• CPC

  • B29C47/766 - in screw extruders
  • B29C45/48 - Plasticising screw and injection screw comprising two separate screws
  • B29C45/63 - Venting or degassing means
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B29C47/76 - Venting, drying or degassing means
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 222 - Dispensing
  • 425 - Plastic article or earthenware shaping or treating: apparatus