The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 14, 2004

Filed:

Apr. 26, 2002
Applicant:
Inventors:

Shinji Katsumaru, Tokyo, JP;

Kiyotaka Yagesawa, Tokyo, JP;

Takashi Wada, Tokyo, JP;

Katsuhiko Ohara, Hirakata, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 2/112 ;
U.S. Cl.
CPC ...
C25D 2/112 ;
Abstract

A finite element model of the environment of electrodeposit coating is prepared by a simulation method, change of an electric field in an electrolytic cell for the case of electrodeposit coating is simulated, the distribution of currents then flowing through individual parts of a finite element model of a to-be-coated object is obtained, the electric variables of currents flowing through the respective surfaces of the finite elements of the to-be-coated object are obtained and accumulated according to the current distribution, the thickness of an electrodeposition coating film is calculated as h=&Sgr;K I C.E.&Dgr;t/&rgr; if the cumulative electric variable is higher than a deposition starting electric variable such that a fixed concentration is attained by OH or H .


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