B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 13/28 (2006.01)
Patent
CA 2628675
A valve nut removal and replacement system including a plurality of associated tools and methods used for above ground access to, replacement of, and maintenance of worn, misshaped, abused or otherwise faulty valve nuts located at a subsurface location. A system is provided including tool components, many of which can be configured for multiple uses. The system provides for the cleaning and removal of a retainer nut, for the removal of a damaged valve nut, and for the installation and securing of a new valve nut from a remote above ground location.
Robarge Randall P.
Stikeman Elliott S.e.n.c.r.l.,srl/llp
LandOfFree
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