1623631

Information

• Patent Grant
• 1623631

• References
• Source

• Patent Number

  1,623,631

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1927
  98 years ago

• CPC

  • B28B7/46 - for humidifying or dehumidifying
  • B28B1/38 - by dipping
  • B28B1/52 - specially adapted for producing articles from mixtures containing fibres
  • B28B5/10 - in moulds carried on the circumference of a rotating drum
  • Y10S425/009 - Cooling and color

• US Classifications

  • 162 - Paper making and fiber liberation
  • 210 - Liquid purification or separation
  • 425 - Plastic article or earthenware shaping or treating: apparatus