3738765

Information

• Patent Grant
• 3738765

• References
• Source

• Patent Number

  3,738,765

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • B27C3/02 - Stationary drilling machines with a single working spindle
  • B23B41/02 - for boring deep holes Trepanning
  • B23B51/0486 - with lubricating or cooling equipment
  • Y10S408/705 - Drilling deep holes
  • Y10T408/378 - Coaxial, opposed tools
  • Y10T408/3796 - with interconnected means to simultaneously feed tools
  • Y10T408/453 - and means to move gaseous fluid by application of vacuum
  • Y10T408/455 - Conducting channel extending to end of Tool
  • Y10T408/5633 - Adapted to coaxially grip round work
  • Y10T408/56343 - Base supported clamp

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 175 - Boring or penetrating the earth