3306540

Information

• Patent Grant
• 3306540

• References
• Source

• Patent Number

  3,306,540

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  57 years ago

• CPC

  • B29B7/421 - with screw and additionally other mixing elements on the same shaft
  • B29B7/7423 - preceded or followed by rotatable stirring device
  • Y10S261/26 - Foam
  • Y10S521/917 - Specialized mixing apparatus utilized in cell forming process

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing
  • 261 - Gas and liquid contact apparatus
  • 521 - Synthetic resins or natural rubbers