3148231

Information

• Patent Grant
• 3148231

• References
• Source

• Patent Number

  3,148,231

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1964
  60 years ago

• CPC

  • B29C47/367 - using a screw extruder and a gear pump
  • B29C47/364 - using gear pumps
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B29C47/92 - Measuring, controlling or regulating
  • B29C47/0009 - characterised by the shape of the articles
  • B29C2947/92019 - Pressure
  • B29C2947/92314 - Particular value claimed
  • B29C2947/92466 - Auxiliary unit
  • B29C2947/92542 - Energy, power, electric current or voltage
  • B29C2947/9259 - Angular velocity
  • B29C2947/926 - Flow or feed rate
  • B29C2947/92704 - Temperature
  • B29C2947/92809 - Particular value claimed
  • B29C2947/92838 - Raw material pre-treatment
  • B29C2947/92876 - Feeding, melting, plasticising or pumping zones
  • B29C2947/92895 - Barrel or housing
  • B29C2947/92952 - Drive section

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus