3175248

Information

• Patent Grant
• 3175248

• References
• Source

• Patent Number

  3,175,248

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1965
  59 years ago

• CPC

  • B29C45/47 - using screws
  • B29C45/541 - using a hollow plasticising screw co-operating with a coaxial injection ram
  • B29C45/72 - Heating or cooling
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/6006 - Hollow screws
  • B29C47/822 - heating
  • B29C47/842 - heating
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 366 - Agitating
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 392 - Electric resistance heating devices
  • 425 - Plastic article or earthenware shaping or treating: apparatus