3859406

Information

• Patent Grant
• 3859406

• References
• Source

• Patent Number

  3,859,406

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • B29C45/73 - of the mould
  • B29C44/086 - and feeding more material into the enlarged cavity
  • B29C44/42 - using pressure difference
  • B29C44/425 - Valve or nozzle constructions; Details of injection devices
  • Y10S264/83 - Injection molding of polyolefin-type foam

• US Classifications

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