Phosphate film processing method and phosphate film...

Details Phosphate film processing method and phosphate film... Phosphate film processing method and phosphate film...

2007-10-23

2007-10-23

King, Roy (Department: 1742)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C205S137000, C205S151000, C205S197000, C205S318000

Reexamination Certificate

active

10473289

ABSTRACT:
A phosphate coating apparatus for depositing a phosphate coating on a metal material by electrolyzing the metal material in a predetermined electrolysis solution includes a positive electrode and a negative electrode, of which one electrode being disposed in contact with the metal material and the other electrode being disposed away from the metal material with a predetermined distance, and the other electrode being formed into a tubular shape so as to cover the entire length of the metal material.

REFERENCES:
patent: 4038702 (1977-08-01), Sawyer
patent: 5925231 (1999-07-01), Metzger
patent: 6235180 (2001-05-01), Kobayashi et al.
patent: 6679980 (2004-01-01), Andreacchi
patent: 3-202496 (1991-09-01), None
Office Action in Korean-Patent Application No. 10-2003-7012638 mailed Aug. 1, 2005, 3 pages.
English Translation of the Office Action in Korean Patent Application No. 10-2003-7012638, 3 pages.

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