2908226

Information

• Patent Grant
• 2908226

• References
• Source

• Patent Number

  2,908,226

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1959
  65 years ago

• CPC

  • B29C47/402 - the screws having intermeshing parts
  • B01F7/082 - the helices being closely surrounded by a casing
  • B01F7/085 - the helices intermeshing to knead the mixture
  • B29C47/0009 - characterised by the shape of the articles
  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/404 - the screws having non-intermeshing parts
  • B29C47/6012 - having varying outer diameter
  • B30B11/243 - using two or more screws working in the same chamber
  • F04C3/085 - the axes of cooperating members being on the same plane
  • B29C47/0871 - Throttling of the flow
  • F04C2250/201 - conical shape
  • Y10T74/19953 - Worm and helical

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 074 - Machine element or mechanism