3606634

Information

• Patent Grant
• 3606634

• References
• Source

• Patent Number

  3,606,634

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1971
  53 years ago

• CPC

  • B29C47/847 - characterised by differential heating or cooling
  • B29C47/48 - using screws arranged coaxially, one within the other
  • B29C47/84 - Heating or cooling the screws
  • B29C47/845 - cooling
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

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