Means for and method of producing smooth electro-polished surfac

Details Means for and method of producing smooth electro-polished surfac Means for and method of producing smooth electro-polished surfac

1980-06-30

1981-09-22

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204224M, 204225, 204237, 204297R, C25F 316, C25F 700, C25D 2100, C25D 1704

Patent

active

042908671

ABSTRACT:
Means for and method of electro-polishing generally planar upright surfaces of relatively large areas on machine parts of various shapes and sizes. The means and method constitute improvements on the method and apparatus disclosed in my prior U.S. Pat. No. 4,127,459 dated Nov. 28, 1978. In a preferred embodiment the surface to be electro-polished is a pattern-free, directionless, abrasively finished metal surface. When such a surface is electro-polished in accordance with this invention the resulting polished surface is waveless, ripple-less and uniformly smooth in all directions so as to exhibit superior anti-stick and release properties. Such a surface is particularly suited for numerous purposes such as head box components for paper-making machines.

REFERENCES:
patent: 3305470 (1967-02-01), Williams et al.
patent: 3424667 (1969-01-01), Frank
patent: 3506559 (1970-04-01), Bonga
patent: 4081347 (1978-03-01), Becker
patent: 4127459 (1978-11-01), Jumer

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