Patents Represented by Law Firm Appleton, Mark A.
  • Pipe chamfer and deburring tool
    Patent number: 5020221
    Abstract: A deburring and chamfering device for giving a desired profile to the end of a pipe, rod, or the like. The device comprising an outer shell with a cutting blade extending diametrically across an inner hole. The blade has a profile which is complementary to the desired profile. The desired profile is cut on the end of the pipe by rotating the device while it is in contact with the pipe.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: June 4, 1991
    Inventor: Clifford P. Nelson