Abrading – Abrading process – With critical temperature modification or control of work or...
Reexamination Certificate
2005-04-19
2005-04-19
Hail, III, Joseph J. (Department: 3723)
Abrading
Abrading process
With critical temperature modification or control of work or...
C451S449000, C451S488000, C451S007000, C125S011020, C125S021000, C125S011020, C083S651100
Reexamination Certificate
active
06881131
ABSTRACT:
A method and apparatus for diamond wire cutting of metal structures, such as nuclear reactor vessels, is provided. A diamond wire saw having a plurality of diamond beads with beveled or chamfered edges is provided for sawing into the walls of the metal structure. The diamond wire is guided by a plurality of support structures allowing for a multitude of different cuts. The diamond wire is cleaned and cooled by CO2during the cutting process to prevent breakage of the wire and provide efficient cutting. Concrete can be provided within the metal structure to enhance cutting efficiency and reduce airborne contaminants. The invention can be remotely controlled to reduce exposure of workers to radioactivity and other hazards.
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Gettelfinger Geoff
Parsells Robert
Perry Erik
Rule Keith
Grant Alvin J
Hail III Joseph J.
The Trustees of Princeton University
Wolff & Samson PC
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