2785455

Information

• Patent Grant
• 2785455

• References
• Source

• Patent Number

  2,785,455

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1957
  67 years ago

• CPC

  • B30B11/245 - using two or more screws working in different chambers
  • B28B3/22 - by screw or worm
  • B28C1/22 - combined with means for conditioning by heating, humidifying, or vacuum treatment, by cooling, by sub-atmospheric pressure treatment

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 159 - Concentrating evaporators
  • 198 - Conveyors: power-driven
  • 366 - Agitating