System and method for using multiple lead connections in an electropolishing process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Feb 2, 2000
filing date -
Feb 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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