3922107

Information

• Patent Grant
• 3922107

• References
• Source

• Patent Number

  3,922,107

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B23B51/044 - with core holding devices
  • B25H1/0064 - Stands attached to the workpiece
  • F16L41/002 - of concrete, cement or asbestos-cement
  • F16L41/04 - Tapping pipe walls
  • B23B2215/72 - Tubes, pipes
  • B23B2226/75 - Stone, rock or concrete
  • Y10T408/50 - with product handling or receiving means
  • Y10T408/552 - Adapted to engage work at tool-axis
  • Y10T408/5619 - Flexible or concatenated member
  • Y10T408/895 - Having axial, core-receiving central portion

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool