Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent
1996-12-17
1998-10-20
Schoeppel, Roger J.
Wells
Means for perforating, weakening, bending or separating pipe...
With disparate below ground feature
166 553, 166 557, E21B 2900
Patent
active
058232559
ABSTRACT:
A machine for cutting a length of pipe has a body with cross-sectional dimensions which are less than the inner diameter of the pipe to be cut. The machine has a plurality of legs which extend radially from the body such that the machine can be fitted within a length of pipe and locked in position by moving the legs radially outward. The machine further has a rotating tool for cutting the inner wall of the length of pipe.
REFERENCES:
patent: 2015277 (1935-09-01), McCullough
patent: 2084306 (1937-06-01), Brannon et al.
patent: 2322694 (1943-06-01), Kinzbach
patent: 2351187 (1944-06-01), Brown et al.
The E. H. Wachs Company drawing B SL-12N for Internal Casing Cutter dated Dec. 11, 1989.
Ferrar Scott
Swiatowy Jeffrey
Schoeppel Roger J.
The E. H. Wachs Company
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