Patents Assigned to Precision Piping & Instruments, Inc.
  • Patent number: 4667936
    Abstract: This invention relates to a pipe cutting apparatus for cutting large diameter pipe. The apparatus is provided with a cutting means which can be angled for cutting miters. The cutting means can be a torch. The apparatus has a flexible drive mechanism which adjusts for variations in cutting angle. Torque is communicated to the cutting means by a motor via clutch means.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: May 26, 1987
    Assignee: Precision Piping & Instruments, Inc.
    Inventor: D. E. Hale, Jr.