3738420

Information

• Patent Grant
• 3738420

• References
• Source

• Patent Number

  3,738,420

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  52 years ago

• CPC

  • B29C47/847 - characterised by differential heating or cooling
  • B29C45/74 - of the injection unit
  • B29C47/84 - Heating or cooling the screws
  • B29C47/842 - heating
  • B29C47/845 - cooling
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 165 - Heat exchange