3806569

Information

• Patent Grant
• 3806569

• References
• Source

• Patent Number

  3,806,569

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • B29C44/3442 - Mixing, kneading or conveying the foamable material
  • B29C44/322 - the preformed parts being elongated inserts
  • B29C47/0014 - Filamentary-shaped articles
  • B29C47/0016 - Rod-shaped articles
  • B29C47/02 - incorporating preformed parts or layers
  • B29C47/0867 - allowing small relative movement
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B29C47/92 - Measuring, controlling or regulating
  • B29C67/2235 - comprising extruding the compounds before foaming
  • B29C2947/92019 - Pressure
  • B29C2947/92076 - Position
  • B29C2947/92123 - Diameter or circumference
  • B29C2947/92238 - Electrical properties
  • B29C2947/924 - Barrel or housing
  • B29C2947/92438 - Conveying, transporting or storage of articles
  • B29C2947/9258 - Velocity
  • B29C2947/9259 - Angular velocity
  • B29C2947/926 - Flow or feed rate
  • B29C2947/92828 - Raw material handling or dosing
  • B29C2947/92952 - Drive section
  • B29L2031/3462 - Cables
  • Y10S264/13 - Cell size and distribution control while molding a foam

• US Classifications

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