Pipe end finishing apparatus
AssigneeMidcon Pipeline Equipment Co.
InventorEdward A. Clavin
Life of this patent
Estimating the term…
Abstract
Apparatus for finishing the ends of pipes, particularly for shaping the ends of pipes preparatory to welding the pipes together end-to-end, wherein the cutting tool or tools employed to finish the pipe end are urged against the pipe end hydraulically, and wherein the hydraulic fluid is pressured by a hydraulic pump which operates in response to rotation of the pipe end finishing apparatus. A variety of cutting tools may be employed, singly or in combination, for finishing the butt end of the pipe in flat, beveled, or stepped condition.
Claims38
Apparatus for use in finishing the ends of pipes, comprising first body means, means for supporting said first body means adjacent an end of a cylindrical pipe, second body means movable along said first body means axially of said pipe, means for moving said second body means along said first body means, support means carried by said second body means adapted to rotate coaxially of said pipe, means for rotating said support means about second body means and about said pipe, cutting tool means carried by said support means and movable away from and toward the axis of said pipe by cylinder means supported by said support means, and means responsive to rotation of said support means for supplying fluid to said cylinder means for moving said cutting tool means into and away from cutting engagement with the end of said pipe.
Dependencies are inferred from the claim text.