C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
C25F 3/16 (2006.01) B21C 37/30 (2006.01) C25F 7/00 (2006.01)
Patent
CA 2333509
An electropolishing system for uniformly polishing the inner surface of a pipe includes an electrode for placement within the pipe, a plurality of electrical leads for coupling the pipe to a common voltage source, and a power supply. The power supply includes a first voltage supply terminal, for coupling to the electrode, and second voltage supply terminal, for coupling to the common voltage source. A disclosed method for electropolishing the inner surface of a pipe includes the steps of placing an electrode within the pipe, electrically coupling the pipe to a common voltage source with a plurality of electrical leads, coupling the electrode to a first voltage supply terminal of a power supply, coupling the common voltage source to a second voltage supply terminal of the power supply, and drawing the electrode through the pipe.
Gowling Lafleur Henderson Llp
Therma Corporation Inc.
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