2678694

Information

• Patent Grant
• 2678694

• References
• Source

• Patent Number

  2,678,694

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1954
  70 years ago

• CPC

  • B23B39/161 - with parallel work spindles
  • B23B39/16 - Drilling machines with a plurality of working-spindles Drilling automatons
  • B26F1/16 - Perforating by tool or tools of the drill type
  • B23B2226/33 - Elastomers
  • B23B2228/28 - Soft
  • Y10T408/3828 - with work-infeed
  • Y10T408/65 - Means to drive tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool