3591895

Information

• Patent Grant
• 3591895

• References
• Source

• Patent Number

  3,591,895

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • B29C47/902 - internally
  • B29C47/908 - characterised by calibrator surface
  • B29C67/2245 - extruding the compound through an annular die
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0026 - Hollow flexible articles
  • B29C2947/926 - Flow or feed rate
  • B29C2947/92685 - Density
  • B29C2947/92704 - Temperature
  • B29C2947/92923 - Calibration, after-treatment or cooling zone
  • B29L2023/00 - Tubular articles

• US Classifications

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