2458068

Information

• Patent Grant
• 2458068

• References
• Source

• Patent Number

  2,458,068

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1949
  76 years ago

• CPC

  • B29C47/76 - Venting, drying or degassing means
  • B29C47/50 - using at least two screws in the same barrel , one after the other
  • B30B9/16 - operating with two or more screws or worms
  • B30B9/163 - working in different chambers
  • B29C47/0021 - Flat flexible articles
  • Y10S425/243 - Extrusion or injection molding

• US Classifications

  • 100 - Presses
  • 159 - Concentrating evaporators
  • 415 - Rotary kinetic fluid motors or pumps
  • 425 - Plastic article or earthenware shaping or treating: apparatus