C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
149/18, 141/43,
C25F 3/16 (2006.01) C25F 7/00 (2006.01)
Patent
CA 1063549
Abstract of the Disclosure A method and apparatus for electropolishing or chemical polishing the entire inner surface or portion of a large cylindrical vessel having at least one closed end. The vessel is supported for rotation with its longitudinal axis in an inclined position and its lower end provided with axial thrust support. The polishing liquid is introduced into the vessel in a quantity sufficient to attain a surface level as high as the center point X of the lower closed end. The vessel is then rotated about its inclined axis and the entire inner surface of the lower end is polished. The vessel is then repositioned with the unpolished end being lower than the previously polished end and supported in the same manner. The level of the polishing liquid is then adjusted so that the remaining unpolished inner surface will be wetted and polished upon the rotation of the vessel about its in- clined longitudinal axis. The vessel is then so rotated while polishing is completed.
232405
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