Apparatus for cutting off projections inside pipes

Details Apparatus for cutting off projections inside pipes Apparatus for cutting off projections inside pipes

1992-10-07

1994-03-15

Bui, Thy M.

Wells

Means for perforating, weakening, bending or separating pipe...

Cutter rotates circumferentially of pipe

E21B 2900

Patent

active

052939324

ABSTRACT:
An apparatus easily movable inside pipes for cutting off projections in the interior of the pipe along the inner surface of the pipe. The apparatus includes a carrier movable inside the pipe. The carrier is provided with a shaft reciprocatingly movable axially of the pipe and rockingly rotatable circumferentially of the pipe, a rocking block movable with the shaft and a drive device for the shaft. The rocking block has a cutter blade reciprocatingly movable axially and radially of the pipe as projected forward from the block axially of the pipe, and drive devices for the blade.

REFERENCES:
patent: 4768899 (1988-09-01), Dysarz
patent: 4987956 (1991-01-01), Hansen et al.
patent: 5199493 (1993-04-01), Sodder, Jr.

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